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$356+ Cheap flights from Reagan-National (DCA) 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BCN
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
1 adult, Economy
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Cheap flight deals from Reagan-National to Barcelona

Cheapest flights from Reagan-National to Barcelona
Explore the most affordable flight options available from Reagan-National to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.

This Mytrip deal was found by Cheapflights users on 7/6. 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.
Wed 8/199:40 am
DCA
-
BCN
2 stops30h 50m
Multiple Airlines
Mon 8/315:45 am
BCN
-
DCA
2 stops22h 03m
Multiple Airlines
Deal found 7/6$766
This Condor deal was found by Cheapflights users on 7/7. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:25 pm
DCA
-
BCN
2 stops26h 45m
Multiple Airlines
Thu 8/278:00 am
BCN
-
DCA
2 stops17h 05m
Multiple Airlines
Deal found 7/7$770
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:25 pm
DCA
-
BCN
1 stop13h 20m
JetBlue
Wed 10/2112:50 pm
BCN
-
DCA
1 stop14h 10m
JetBlue
Deal found 7/3$777
This Cheapflightsfares deal was found by Cheapflights users on 7/7. 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.
Tue 9/222:30 pm
DCA
-
BCN
1 stop13h 15m
JetBlue
Tue 10/612:50 pm
BCN
-
DCA
1 stop12h 30m
JetBlue
Deal found 7/7$780
This CheapOair deal was found by Cheapflights users on 7/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:00 am
DCA
-
BCN
2 stops29h 10m
Multiple Airlines
Thu 9/38:00 am
BCN
-
DCA
2 stops19h 50m
Multiple Airlines
Deal found 7/4$781
This Ovago deal was found by Cheapflights users on 7/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:20 pm
DCA
-
BCN
1 stop14h 25m
JetBlue
Wed 10/712:50 pm
BCN
-
DCA
1 stop12h 30m
JetBlue
Deal found 7/5$784
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:00 pm
DCA
-
BCN
1 stop10h 45m
JetBlue
Thu 10/1512:50 pm
BCN
-
DCA
1 stop14h 10m
JetBlue
Deal found 7/3$785
This Mytrip deal was found by Cheapflights users on 7/6. 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.
Sat 8/156:59 am
DCA
-
BCN
2 stops33h 31m
Multiple Airlines
Sat 8/225:45 am
BCN
-
DCA
2 stops34h 33m
Multiple Airlines
Deal found 7/6$791
This Mytrip deal was found by Cheapflights users on 7/8. 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 8/1012:40 pm
DCA
-
BCN
2 stops15h 25m
Multiple Airlines
Wed 8/1911:10 pm
BCN
-
DCA
3 stops26h 47m
Multiple Airlines
Deal found 7/8$794
This Mytrip deal was found by Cheapflights users on 7/5. 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.
Tue 8/186:00 am
DCA
-
REU
3 stops28h 05m
Multiple Airlines
Tue 8/2510:15 pm
REU
-
DCA
3 stops29h 33m
Multiple Airlines
Deal found 7/5$1,109

Find flight deals from Reagan-National to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 8, 2026.

Round-trip from

$766
(Mytrip)

One-way from

$356
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$895
From Washington, D.C. Reagan-National to Barcelona
Search Deals
One-way flight from Washington, D.C. Reagan-National to Barcelona
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Fri 8/21

11:00 am-9:45 am

1 stop16h 45m

Barcelona-El Prat

Fri 8/28

12:50 pm-7:05 pm

1 stop12h 15m

$929

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 8/2

1:25 pm-10:10 pm

2 stops26h 45m

Barcelona-El Prat

Wed 8/5

8:00 am-7:04 pm

2 stops17h 04m

$930

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Wed 8/12

7:46 am-1:15 pm

1 stop23h 29m

Barcelona-El Prat

Tue 8/18

1:15 pm-8:52 am

1 stop25h 37m

$961

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Tue 8/25

6:00 am-8:00 am

1 stop20h 00m

Barcelona-El Prat

Thu 9/3

12:15 pm-9:46 am

2 stops27h 31m

$973

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Tue 9/29

9:40 am-8:00 am

1 stop16h 20m

Barcelona-El Prat

Sun 10/4

12:15 pm-10:20 am

1 stop28h 05m

$987

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sat 9/12

11:45 am-8:35 am

1 stop14h 50m

Barcelona-El Prat

Sun 9/20

3:15 pm-11:35 pm

1 stop14h 20m

$1,020

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Tue 7/21

1:25 pm-9:45 am

1 stop14h 20m

Barcelona-El Prat

Tue 8/4

12:50 pm-9:24 pm

1 stop14h 34m

$1,070

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 7/19

2:25 pm-9:45 am

1 stop13h 20m

Barcelona-El Prat

Thu 7/30

12:50 pm-9:50 pm

1 stop15h 00m

$1,070

Washington, D.C.Reus

DCA - REU

DCAREU

Washington, D.C. Reagan-National

Tue 8/18

6:00 am-4:05 pm

3 stops28h 05m

Reus

Tue 8/25

10:15 pm-9:48 pm

3 stops29h 33m

$1,109

Washington, D.C.Barcelona

DCA - BCN

DCABCN

Washington, D.C. Reagan-National

Sun 7/26

1:25 pm-10:10 pm

2 stops26h 45m

Barcelona-El Prat

Wed 7/29

8:00 am-6:58 pm

2 stops16h 58m

$1,130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 26 resultsSorted by cheapest first
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Best time to book a flight from Reagan-National to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Reagan-National 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, D.C. Reagan-National Airport to Barcelona

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Barcelona (average of $127). Flying from Washington, D.C. Reagan-National Airport to Barcelona in June is currently the most expensive (average of $1,105). 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.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Barcelona?

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 8, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Barcelona, such as United Airlines,American Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,951 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,951 reviews
United Airlines
7.4
Good
9,951 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.1
Good
11,786 reviews
United Airlines
7.4
Good
9,951 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
JetBlue
7.1
Good
3,014 reviews
United Airlines
7.4
Good
9,951 reviews

Food

6.7

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Barcelona?

    Departing from Washington, D.C. Reagan-National Airport to Barcelona will take you 16h 45m. There are 4030 mi between Washington, D.C. Reagan-National Airport and Barcelona. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Barcelona round-trip?

    Flying on JetBlue is currently your cheapest option to Barcelona, with prices starting at $136. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $479 and $538, respectively. You may be able to fly from Washington, D.C. Reagan-National Airport to Barcelona for 86% less than the average price by searching for these airlines.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Barcelona?

    The most popular flight routes from Washington, D.C. Reagan-National Airport to Barcelona are Washington, D.C. Reagan-National - Barcelona-El Prat, Washington, D.C. Reagan-National - Girona Costa Brava and Washington, D.C. Reagan-National - Reus.

  • Can I find deals for flights from Reagan-National to Barcelona that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Barcelona.

  • Can I find deals for business class flights from Reagan-National to Barcelona?

    Yes. Cheapflights offers flight deals from Reagan-National to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Barcelona (average of $127). Flying from Washington, D.C. Reagan-National Airport to Barcelona in June is currently the most expensive (average of $1,105). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Reagan-National to Barcelona

Discover the top 3 airlines that operate flights from Reagan-National 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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$136Average$1,105FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$479Average$753FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$538Average$1,447FlexibilityNo cancel feeOn-time71%

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