Barcelona-El Prat

$212+ Cheap flights from Dulles Intl (IAD) to Barcelona-El Prat (BCN)

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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BCN
Apr 6 — Apr 131
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Find cheap flights from Dulles Intl to Barcelona-El Prat 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”

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Barcelona-El Prat are usually found in February or January, booked 16 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from Dulles Intl to Barcelona-El Prat

Cheapest flights from Dulles Intl to Barcelona-El Prat
Explore the most affordable flight options available from Dulles Intl to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 7, 2026.

This Justfly.com deal was found by Cheapflights users on 3/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:30 pm
IAD
-
BCN
1 stop12h 45m
TAP AIR PORTUGAL
Thu 1/216:45 am
BCN
-
IAD
1 stop14h 30m
TAP AIR PORTUGAL
Deal found 3/2$520
This oojo deal was found by Cheapflights users on 3/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:35 pm
IAD
-
BCN
1 stop14h 45m
TAP AIR PORTUGAL
Fri 4/176:00 am
BCN
-
IAD
1 stop20h 35m
TAP AIR PORTUGAL
Deal found 3/2$522
This oojo deal was found by Cheapflights users on 3/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:35 pm
IAD
-
BCN
1 stop14h 45m
TAP AIR PORTUGAL
Tue 9/110:40 pm
BCN
-
IAD
1 stop22h 30m
TAP AIR PORTUGAL
Deal found 3/4$525
This FlightHub deal was found by Cheapflights users on 3/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Sun 5/37:00 pm
BCN
-
IAD
1 stop28h 00m
Scandinavian Airlines
Deal found 3/4$527
This oojo deal was found by Cheapflights users on 3/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:35 pm
IAD
-
BCN
1 stop20h 55m
TAP AIR PORTUGAL
Tue 5/53:00 pm
BCN
-
IAD
1 stop11h 35m
TAP AIR PORTUGAL
Deal found 3/3$528
This Mytrip deal was found by Cheapflights users on 3/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:20 pm
IAD
-
BCN
2 stops32h 40m
Scandinavian Airlines
Tue 4/147:00 pm
BCN
-
IAD
1 stop28h 00m
Scandinavian Airlines
Deal found 3/3$530
This KAYAK deal was found by Cheapflights users on 3/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:20 pm
IAD
-
BCN
2 stops32h 40m
Scandinavian Airlines
Sat 5/97:00 pm
BCN
-
IAD
1 stop28h 00m
Scandinavian Airlines
Deal found 3/2$532
This FlightHub deal was found by Cheapflights users on 3/3. 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 4/298:20 pm
IAD
-
BCN
2 stops40h 25m
Scandinavian Airlines
Mon 5/410:35 am
BCN
-
IAD
1 stop12h 25m
Scandinavian Airlines
Deal found 3/3$534
This KAYAK deal was found by Cheapflights users on 3/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:20 pm
IAD
-
BCN
2 stops31h 35m
Scandinavian Airlines
Sun 4/269:45 am
BCN
-
IAD
1 stop13h 15m
Scandinavian Airlines
Deal found 3/3$536
This FlightHub deal was found by Cheapflights users on 3/3. 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.
Fri 10/168:20 pm
IAD
-
BCN
1 stop30h 35m
Scandinavian Airlines
Fri 10/239:10 pm
BCN
-
IAD
2 stops25h 50m
Scandinavian Airlines
Deal found 3/3$537
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:20 pm
IAD
-
BCN
1 stop15h 50m
Scandinavian Airlines
Fri 5/1510:25 am
BCN
-
IAD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/3$541
This oojo deal was found by Cheapflights users on 3/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:30 pm
IAD
-
BCN
1 stop15h 50m
TAP AIR PORTUGAL
Thu 11/196:45 am
BCN
-
IAD
1 stop14h 30m
TAP AIR PORTUGAL
Deal found 3/5$542

Find flight deals from Dulles Intl to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Barcelona-El Prat (BCN). 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 March 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(oojo)

One-way from

$212
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$788

Good round-trip deal

$1,026 or less

Good one-way deal

$794 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Barcelona-El Prat flights.
From Washington, D.C. Dulles Intl to Barcelona-El Prat
One-way flight from Washington, D.C. Dulles Intl to Barcelona-El Prat
Highest demand for flights based on searches. 20% potential increase in price ($190 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Barcelona-El Prat.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Barcelona-El Prat.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Barcelona-El Prat 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 March 7, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Sun 4/26

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Sun 5/3

12:15 pm-3:03 pm

1 stop32h 48m

$894

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 5/6

3:45 pm-8:00 am

1 stop10h 15m

Barcelona-El Prat

Wed 5/13

11:15 am-2:30 pm

Nonstop9h 15m

$989

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 5/6

3:45 pm-8:00 am

1 stop10h 15m

Barcelona-El Prat

Tue 5/19

11:15 am-2:30 pm

Nonstop9h 15m

$989

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Wed 4/22

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Mon 4/27

8:00 am-4:05 pm

1 stop14h 05m

$995

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 5/5

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Mon 5/18

11:15 am-2:30 pm

Nonstop9h 15m

$1,046

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 4/21

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Wed 4/29

10:15 am-7:55 pm

1 stop15h 40m

$1,070
Quickest round-trip

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 5/18

6:00 pm-8:20 am

Nonstop8h 20m

Barcelona-El Prat

Mon 5/25

11:15 am-2:25 pm

Nonstop9h 10m

$1,141

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Mon 4/20

12:40 pm-8:00 am

1 stop13h 20m

Barcelona-El Prat

Mon 4/27

11:15 am-2:30 pm

Nonstop9h 15m

$1,144

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Tue 5/19

12:43 pm-8:00 am

2 stops13h 17m

Barcelona-El Prat

Mon 5/25

1:25 pm-8:29 pm

2 stops37h 04m

$1,188

Washington, D.C.Barcelona

IAD - BCN

IADBCN

Washington, D.C. Dulles Intl

Fri 5/22

8:20 pm-9:45 am

2 stops31h 25m

Barcelona-El Prat

Fri 6/5

10:25 am-5:00 pm

1 stop12h 35m

$1,217

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Barcelona-El Prat in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JetabroadPrice Accuracy3 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Dulles Intl 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. Dulles Intl Airport to Barcelona-El Prat Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Barcelona-El Prat. Price data was last updated on March 6, 2026.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (average of $388). Flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $682). 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 IAD to BCN?

Find hourly flight availability from Dulles Intl to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 7, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated March 7, 2026.
Read reviews from past customers who have flown United Airlines, TAP AIR PORTUGAL, and Iberia from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Barcelona-El Prat. 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. Dulles Intl Airport to Barcelona-El Prat Airport?

    A quick flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport can take about 8h 20m. United Airlines provides one of the quickest options available for as low as $894. The distance from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport is about 4046 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport round-trip from $383. Other airlines that can offer you cheap pricing are Icelandair, from $390, and Air France, from $461. You may be able to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport for 49% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $206. Users have also found prices from $265 and $267 on Turkish Airlines and TAP AIR PORTUGAL, respectively.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport are Air Canada (67%), United Airlines (67%) and Lufthansa (67%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

    Looking at all options, your cheapest flight can be booked for $744. While the most popular route (Washington, D.C. Dulles Intl - Barcelona-El Prat) can be booked for $485 on average, our data indicates $2,639 when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport?

  • What are some popular things to do or see while on a layover in Lisbon?

    Lisbon travelers tend to visit Chiado, Praça do Marquês de Pombal, and Londres more than anywhere else. Chiado, Praça do Marquês de Pombal, and Londres are located about 4.5 mi, 3.6 mi, and 2.3 mi, respectively from Lisbon Humberto Delgado. Travelers can rent a car at Lisbon Humberto Delgado for an average daily rate of $20 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport flights?

  • Can I find deals for flights from Dulles Intl to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Barcelona-El Prat?

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

  • Can I find deals for business class flights from Dulles Intl to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Dulles Intl to Barcelona-El Prat 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. Dulles Intl Airport to Barcelona-El Prat Airport?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport (average of $388). Flying from Washington, D.C. Dulles Intl Airport to Barcelona-El Prat Airport in June is currently the most expensive (average of $682). 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

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Dulles Intl to Barcelona-El Prat

Discover the top 10 airlines that operate flights from Dulles Intl to Barcelona-El Prat. 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 March 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$383Average$660FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$390Average$473FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$461Average$764FlexibilityNo cancel feeOn-time77%
DeltaCheapest$468Average$699FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$479Average$691FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$489Average$892FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$490Average$641FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$498Average$670FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$499Average$1,109FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$511Average$777FlexibilityNo cancel feeOn-time71%

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