Seattle to Barcelona, Spain for only $433 roundtrip

Cheap flights from Seattle to Barcelona, Spain for only $433 roundtrip.

 

The example dates listed below range between $433 and $443 roundtrip.

 

DEPART:
Seattle, USA

 

ARRIVE:
Barcelona, Spain

 

RETURN:
Seattle, USA

 

DATES:
Availability from November 2025 to February 2026 (excluding Christmas/New Year)

Example dates:

28th Nov – 5th Dec
5th-12th Dec
7th-14th Dec
9th-16th Jan
11th-18th Jan
16th-23rd Jan
18th-25th Jan
23rd-30th Jan
25th Jan – 1st Feb
30th Jan – 6th Feb
1st-8th Feb

and more…

 

STOPS:
Reykjavik

 

AIRLINES:
Icelandair

 

 

Scandinavian Airlines: Seattle – Brussels, Belgium. $497 (Basic Economy) / $1,159 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • June 4th – 11th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late May – mid June for Sunday through Wednesday departures and Monday through Thursday returns. A Sunday stay is required. Availability is limited. Must purchase at least 28 days in advance of departure and by March 31st (TODAY)
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use Matrix Airfare Search by ITA Software and use the following search criteria:
    • Origin: SEA
    • Origin Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
        • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy / Economy Light fare. Use those dates on Scandinavian and you will be presented with the option to upgrade to a regular economy fare.
    • Destination:  BRU
    • Return Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Routing:

  • SEA – CPH (Copenhagen) – BRU (Brussels) – CPH – SEA

Stopover:

Mileage:

Scandinavian Airlines is a member of the SkyTeam Alliance and Delta partner. Mileage earning with Delta is as follows:

  • Miles Flown: 10,636 miles or 4.7 cents per mile (Basic Economy) / 10.9 cents per mile (Regular Economy)
  • Medallion Qualifying Dollars: $531
  • Redeemable Miles: 1,063 miles

How to Buy:

  • Book on Scandinavian with dates found on Matrix Airfare Search by ITA Software.

Scandinavian Airlines: Seattle – Zurich, Switzerland. $545 (Basic Economy) / $615 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • June 4th – 11th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late May – early June for Sunday through Wednesday departures and Monday through Thursday returns. A Sunday stay is required. Availability is limited. Must purchase at least 7 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use ITA Software Matrix Airfare Search and use the following search criteria:
    • Origin: SEA
    • Origin Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 480
        • This is instructing ITA to search for the Basic Economy fare, using those dates on Scandinavian and you will be provided with an option to upgrade to the regular economy fare
    • Destination:  ZRH
    • Return Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 480
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Routing:

  • SEA – CPH (Copenhagen) – ZRH (Zurich) – CPH – SEA

Stopover:

Mileage:

Scandinavian Airlines is a member of the SkyTeam Alliance and Delta partner. Mileage earning with Delta is as follows:

  • Miles Flown: 10,878 miles or 5.0 cents per mile (Basic Economy) /  5.6 cents per mile (Regular Economy)
  • Medallion Qualifying Dollars: $543
  • Redeemable Miles: 1,087 miles

How to Buy:

  • Book on Scandinavian with dates found on Matrix Airfare Search by ITA Software.

Scandinavian Airlines: Seattle – Helsinki, Finland. $447 (Basic Economy) / $547 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • June 16th – 23rd
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late May – mid June for Sunday through Wednesday departures and Monday through Thursday returns. A Sunday stay is required. Availability is limited. Must purchase at least 28 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use Matrix Airfare Search by ITA Software and use the following search criteria:
    • Origin: SEA
    • Origin Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
        • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy / Economy Light fare. Use those dates on Scandinavian and you will be presented with the option to upgrade to a regular economy fare.
    • Destination:  HEL
    • Return Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Routing:

  • SEA – CPH (Copenhagen) – HEL (Helsinki) – CPH – SEA

Stopover:

Mileage:

Scandinavian Airlines is a member of the SkyTeam Alliance and Delta partner. Mileage earning with Delta is as follows:

  • Miles Flown: 10,806 miles or 4.1 cents per mile (Basic Economy) / 5.1 cents per mile (Regular Economy)
  • Medallion Qualifying Dollars: $540
  • Redeemable Miles: 1,080 miles

How to Buy:

  • Book on Scandinavian with dates found on Matrix Airfare Search by ITA Software.

Scandinavian Airlines: Seattle – Copenhagen, Denmark. $497 (Basic Economy) / $597 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • June 18th – 25th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late May – mid June for Sunday through Wednesday departures and Monday through Thursday returns. A Sunday stay is required. Availability is limited. Must purchase at least 28 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use Matrix Airfare Search by ITA Software and use the following search criteria:
    • Origin: SEA
    • Origin Advanced Routing Code:
      • Routing Codes: sk
      • Extension Codes: f bc=T
        • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy / Economy Light fare. Use those dates on Scandinavian and you will be presented with the option to upgrade to a regular economy fare.
    • Destination:  CPH
    • Return Advanced Routing Code:
      • Routing Codes: sk
      • Extension Codes: f bc=T
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Routing:

  • SEA – CPH (Copenhagen) – SEA

Stopover:

Mileage:

Scandinavian Airlines is a member of the SkyTeam Alliance and Delta partner. Mileage earning with Delta is as follows:

  • Miles Flown: 9,700 miles or 5.1 cents per mile (Basic Economy) / 6.1 cents per mile (Regular Economy)
  • Medallion Qualifying Dollars: $485
  • Redeemable Miles: 9,700 miles

How to Buy:

  • Book on Scandinavian with dates found on Matrix Airfare Search by ITA Software.

American: Dallas – Seattle (and vice versa). $179 (Basic Economy) / $269 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • May 7th – 13th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late April  – early May for Tuesday, Wednesday and Saturday departures and returns. Availability is limited. Must purchase at least 3 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

  • B (Basic Economy)
  • O (Regular Economy)

Routing:

  • DFW – SEA (Seattle) – DFW

Stopover:

Mileage:

  • Miles Flown: 3,314 miles or 5.4 cents per mile (Basic Economy) / 8.1 cents per mile (Regular Economy)
  • Loyalty Points: 1,108 points
  • Redeemable Miles: 1,108 miles

How to Buy:

  • Book on American with dates found on Matrix Airfare Search by ITA Software

Scandinavian Airlines: Seattle – Amsterdam, Netherlands. $545 (Basic Economy) / $615 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • June 4th – 11th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late May – mid June or September – early October for Sunday through Wednesday departures and Monday through Thursday returns. A Sunday stay is required. Availability is limited. Must purchase at least 28 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use Matrix Airfare Search by ITA Software and use the following search criteria:
    • Origin: SEA
    • Origin Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
        • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy / Economy Light fare. Use those dates on Scandinavian and you will be presented with the option to upgrade to a regular economy fare.
    • Destination:  AMS
    • Return Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Routing:

  • SEA – CPH (Copenhagen) – AMS (Amsterdam) – CPH – SEA

Stopover:

Mileage:

Scandinavian Airlines is a member of the SkyTeam Alliance and Delta partner. Mileage earning with Delta is as follows:

  • Miles Flown: 10,486 miles or 5.2 cents per mile (Basic Economy) / 5.9 cents per mile (Regular Economy)
  • Medallion Qualifying Dollars: $524
  • Redeemable Miles: 10,486 miles

How to Buy:

  • Book on Scandinavian with dates found on Matrix Airfare Search by ITA Software.

Scandinavian Airlines: Seattle – Oslo, Norway. $447 (Basic Economy) / $547 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • June 4th – 11th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late May – mid June for Sunday through Wednesday departures and Monday through Thursday returns. A Sunday stay is required. Availability is limited. Must purchase at least 28 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use Matrix Airfare Search by ITA Software and use the following search criteria:
    • Origin: SEA
    • Origin Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
        • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy / Economy Light fare. Use those dates on Scandinavian and you will be presented with the option to upgrade to a regular economy fare.
    • Destination:  OSL
    • Return Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Routing:

  • SEA – CPH (Copenhagen) – OSL (Oslo) – CPH – SEA

Stopover:

Mileage:

Scandinavian Airlines is a member of the SkyTeam Alliance and Delta partner. Mileage earning with Delta is as follows:

  • Miles Flown: 10,342 miles or 4.3 cents per mile (Basic Economy) / 5.3 cents per mile (Regular Economy)
  • Medallion Qualifying Dollars: $517
  • Redeemable Miles: 1,034 miles

How to Buy:

  • Book on Scandinavian with dates found on Matrix Airfare Search by ITA Software.

Scandinavian Airlines: Seattle – Stockholm, Sweden. $448 (Basic Economy) / $548 (Regular Economy). Roundtrip, including all Taxes

Sample Travel Date:

  • June 4th – 11th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel from late May – mid June for Sunday through Wednesday departures and Monday through Thursday returns. A Sunday stay is required. Availability is limited. Must purchase at least 28 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • Use Matrix Airfare Search by ITA Software and use the following search criteria:
    • Origin: SEA
    • Origin Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
        • This is instructing Matrix Airfare Search by ITA Software to search for the Basic Economy / Economy Light fare. Use those dates on Scandinavian and you will be presented with the option to upgrade to a regular economy fare.
    • Destination:  ARN
    • Return Advanced Routing Code:
      • Routing Codes: sk sk
      • Extension Codes: f bc=T ; maxconnect 300
    • (Click on Advanced Codes link to enable advanced routing code input)
    • Select “See calendar of lowest fares”
    • Duration “3-10” (This is just a sample, you can use any 7 day date range like 3-10, 7-14 etc)
  • Beginner’s Guide on How to Use Matrix by ITA Software
  • How to Read Airfare Rules and Use It to Your Advantage
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Routing:

  • SEA – CPH (Copenhagen) – ARN (Stockholm) – CPH – SEA

Stopover:

Mileage:

Scandinavian Airlines is a member of the SkyTeam Alliance and Delta partner. Mileage earning with Delta is as follows:

  • Miles Flown: 10,378 miles or 4.3 cents per mile (Basic Economy) / 5.3 cents per mile (Regular Economy)
  • Medallion Qualifying Dollars: $518
  • Redeemable Miles: 10,378 miles

How to Buy:

  • Book on Scandinavian with dates found on Matrix Airfare Search by ITA Software.

Delta / Air France: Seattle – Cairo, Egypt. $751. Roundtrip, including all Taxes

Sample Travel Date:

  • November 11th – 20th
  • This is just ONE SAMPLE travel date, for more availability, please follow the “Fare Availability” and “How to Search for Availability” instructions below

Fare Availability:

  • Valid for travel until mid May or late August – early December or January 2026 – early February 2026. Availability is limited. A Sunday stay is required. Must purchase at least 7 days in advance of departure
  • Please note that while this fare is valid at time of posting, if this post is more than two days old, the fare is likely gone.

How to Search for Availability:

  • This is just to search for availability. To buy your tickets, scroll down to “How to Buy” section of this post
  • The Matrix Airfare Search by ITA Software search page should be like below when all values are inputted
  • You cannot buy tickets using Matrix Airfare Search by ITA Software. To buy, follow our instructions in the “How to Buy” section below.

Fare Class:

Elite Qualifying Dollars:

Routing:

  • SEA – CDG (Paris) – CAI (Cairo) – CDG – SEA

Stopover:

Mileage:

  • Miles Flown: 13,986 miles or 5.4 cents per mile.
  • Redeemable Miles: 2,930 miles

How to Buy:

  • Support us by using our Priceline link to book with dates found on Matrix Airfare Search by ITA Software.