$235+ Cheap flights from Washington to Barcelona
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Jul 8 — Jul 151
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Washington to Barcelona with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to Barcelona
Keep the following information in mind while searching for Washington to Barcelona flight deals. Data was last updated July 3, 2025.
Round-trip from | $597 (American Airlines) |
|---|---|
One-way from | $235 (Mytrip) |
Popular in | June |
Cheapest in | November |
Average price | $1,249 |
Find flight deals from Washington to Barcelona
Cheapest flights from Washington to BarcelonaExplore the most affordable flight options available from Washington to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.
Explore the most affordable flight options available from Washington to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:45 amSEA - BCN
1 stop16h 20mAmerican Airlines
Mon 10/68:25 pmBCN - SEA
1 stop23h 45mAmerican Airlines
Deal found 7/3![American Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:15 amSEA - BCN
1 stop15h 35mUnited Airlines
Mon 10/61:50 pmBCN - SEA
2 stops33h 26mUnited Airlines
Deal found 7/3![United Airlines logo]()
$598
This FlightHub deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:10 pmSEA - BCN
1 stop14h 35mLufthansa
Fri 1/96:50 amBCN - SEA
1 stop14h 20mLufthansa
Deal found 7/3![Lufthansa logo]()
$600
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/113:45 pmSEA - BCN
2 stops21h 40mMultiple Airlines
Thu 8/216:00 amBCN - SEA
3 stops20h 50mMultiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$601
This Icelandair deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2111:30 pmSEA - BCN
1 stop30h 15mIcelandair
Mon 8/253:45 pmBCN - SEA
1 stop13h 55mIcelandair
Deal found 7/1![Icelandair logo]()
$604
This Scandinavian Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/244:00 pmSEA - BCN
1 stop17h 10mScandinavian Airlines
Mon 9/17:00 pmBCN - SEA
2 stops52h 38mScandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$607
This FlightHub deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:35 pmSEA - BCN
1 stop17h 50mAer Lingus
Wed 9/311:00 amBCN - SEA
1 stop15h 50mAer Lingus
Deal found 7/1![Aer Lingus logo]()
$610
This Expedia deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:02 pmSEA - BCN
2 stops17h 48mBritish Airways
Wed 9/247:40 amBCN - SEA
2 stops21h 29mBritish Airways
Deal found 7/3![British Airways logo]()
$613
This Gotogate deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:15 pmSEA - BCN
2 stops27h 35mAir Canada
Fri 8/2212:10 pmBCN - SEA
2 stops30h 11mAir Canada
Deal found 7/1![Air Canada logo]()
$614
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:25 amPDX - BCN
2 stops17h 25mUnited Airlines
Wed 8/2712:10 pmBCN - PDX
2 stops33h 53mUnited Airlines
Deal found 7/3![United Airlines logo]()
$615
This Cheapflightsfares deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:49 amSEA - BCN
1 stop17h 21mIberia
Wed 8/2710:45 amBCN - SEA
1 stop18h 34mIberia
Deal found 7/1![Iberia logo]()
$631
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/99:30 pmSEA - BCN
1 stop24h 45mDelta
Fri 8/229:30 amBCN - SEA
1 stop21h 55mDelta
Deal found 7/2![Delta logo]()
$632
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Barcelona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Washington to Barcelona that are best for you.
Fly from
Washington
Fly to
Barcelona
Route
Depart
Return
Price
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 9/24
7:45 am-9:05 am
1 stop16h 20m
Barcelona-El Prat
Mon 10/6
8:25 pm-11:10 am
1 stop23h 45m
$597
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 9/24
7:15 am-7:50 am
1 stop15h 35m
Barcelona-El Prat
Mon 10/6
1:50 pm-11:55 am
1 stop31h 05m
$598
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sat 9/20
9:58 pm-6:00 am
1 stop23h 02m
Barcelona-El Prat
Tue 10/7
6:10 am-11:15 am
1 stop14h 05m
$600
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Mon 8/11
3:45 pm-10:25 pm
2 stops21h 40m
Barcelona-El Prat
Thu 8/21
6:00 am-5:50 pm
3 stops20h 50m
$601
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Mon 7/21
11:30 pm-2:45 pm
1 stop30h 15m
Barcelona-El Prat
Mon 8/25
3:45 pm-8:40 pm
1 stop13h 55m
$604
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sun 8/24
4:00 pm-6:10 pm
1 stop17h 10m
Barcelona-El Prat
Mon 9/1
7:00 pm-2:38 pm
2 stops52h 38m
$607
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 8/27
7:35 pm-10:25 pm
1 stop17h 50m
Barcelona-El Prat
Wed 9/3
11:00 am-5:50 pm
1 stop15h 50m
$610
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 9/17
1:02 pm-3:50 pm
2 stops17h 48m
Barcelona-El Prat
Wed 9/24
7:40 am-8:09 pm
2 stops21h 29m
$613
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sat 8/9
7:15 pm-7:50 am
2 stops27h 35m
Barcelona-El Prat
Fri 8/22
12:10 pm-9:21 am
2 stops30h 11m
$614
PortlandBarcelona
PDX - BCN
PDXBCN
Portland
Sun 8/3
5:25 am-7:50 am
2 stops17h 25m
Barcelona-El Prat
Wed 8/27
12:10 pm-1:03 pm
2 stops33h 53m
$615
Showing 1-10 of 36 results
Best time to book a flight from Washington to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington to Barcelona
What is the cheapest month to book a flight from State of Washington to Barcelona?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Barcelona (average of $523). Flying from State of Washington to Barcelona in June is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WA to BCN?
Find hourly flight availability from Washington to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Barcelona as you normally would.
Reviews of airlines servicing Barcelona
Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Delta, Air France, and United Airlines from Washington to Barcelona by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Boarding
8.2
Entertainment
7.9
Overall
8.0
Crew
8.5
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Boarding
8.2
Entertainment
7.9
Overall
8.0
Crew
8.5
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Boarding
8.2
Entertainment
7.9
Overall
8.0
Crew
8.5
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Boarding
8.2
Entertainment
7.9
Overall
8.0
Crew
8.5
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Boarding
8.2
Entertainment
7.9
Overall
8.0
Crew
8.5
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Boarding
8.2
Entertainment
7.9
Overall
8.0
Crew
8.5
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Washington to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Washington to Barcelona
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Washington to Barcelona
Discover the top 10 airlines that operate flights from Washington to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$416 | Average$620 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$443 | Average$560 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$445 | Average$960 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$489 | Average$725 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$489 | Average$743 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$507 | Average$810 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$510 | Average$922 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$553 | Average$988 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$556 | Average$802 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$559 | Average$890 | FlexibilityNo cancel fee | On-timeN/A |