HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$275+ Cheap flights from Dulles Intl (IAD) to Buenos Aires (BUE)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BUE
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Buenos Aires 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.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Buenos Aires are usually found in September or October, booked 37 days in advance, depart on a Monday or Tuesday and return on a Thursday

Find flight deals from Dulles Intl to Buenos Aires

Cheapest flights from Dulles Intl to Buenos Aires
Explore the most affordable flight options available from Dulles Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 11/42:35 pmIAD - EZE
1 stop13h 15mAvianca
Tue 11/114:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 10/25$604
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Mon 10/275:30 amIAD - EZE
2 stops23h 20mAvianca
Tue 10/281:40 amEZE - IAD
1 stop13h 35mAvianca
Deal found 10/26$605
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 11/55:45 amIAD - EZE
1 stop22h 05mAvianca
Mon 11/241:40 amEZE - IAD
1 stop13h 35mAvianca
Deal found 10/25$609
This Flysmarter deal was found by Cheapflights users on 10/26. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:35 pmIAD - EZE
1 stop13h 15mAvianca
Sun 11/234:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 10/26$616
This FlightHub deal was found by Cheapflights users on 10/25. 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.
Sun 11/165:45 amIAD - EZE
1 stop22h 05mAvianca
Sun 11/234:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 10/25$617
This FlightHub deal was found by Cheapflights users on 10/26. 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.
Mon 11/35:45 amIAD - EZE
1 stop22h 05mAvianca
Mon 11/174:55 pmEZE - IAD
1 stop22h 20mAvianca
Deal found 10/26$622
This FlightHub deal was found by Cheapflights users on 10/26. 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 10/296:45 amIAD - EZE
1 stop16h 50mAvianca
Sun 11/24:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 10/26$627
This Copa Airlines deal was found by Cheapflights users on 10/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:25 amIAD - EZE
1 stop21h 25mCopa Airlines
Mon 11/1710:01 amEZE - IAD
1 stop19h 21mCopa Airlines
Deal found 10/25$628
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:35 pmIAD - EZE
1 stop13h 15mAvianca
Sun 11/164:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 10/26$630
This Flysmarter deal was found by Cheapflights users on 10/26. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:45 amIAD - AEP
1 stop21h 55mAvianca
Sun 11/237:00 amAEP - IAD
1 stop23h 25mAvianca
Deal found 10/26$635
This FlightHub deal was found by Cheapflights users on 10/26. 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 11/125:45 amIAD - AEP
1 stop21h 55mAvianca
Wed 12/37:00 amAEP - IAD
2 stops22h 10mAvianca
Deal found 10/26$637
This LATAM Airlines deal was found by Cheapflights users on 10/25. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:30 pmIAD - AEP
2 stops29h 10mLATAM Airlines
Thu 12/113:40 pmAEP - IAD
2 stops25h 00mLATAM Airlines
Deal found 10/25$640

Cheap flight deals from Dulles Intl to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Buenos Aires (BUE). 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$605
(Cheapflightsfares)

One-way from

$275
(LATAM Airlines)

Popular in

December

Cheapest in

September

Average price

$647
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Buenos Aires (BUE) flights.
Search Deals
From Washington, D.C. Dulles Intl to Buenos Aires (BUE)
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Buenos Aires 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 October 27, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Buenos Aires that are best for you.

Fly from

Dulles Intl

Fly to

Buenos Aires

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/11

1:13 am-1:00 am

1 stop21h 47m

Buenos Aires Ministro Pistarini

Tue 12/2

3:41 am-11:33 pm

1 stop21h 52m

$628

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 11/15

1:13 am-1:00 am

1 stop21h 47m

Buenos Aires Ministro Pistarini

Sun 11/23

10:01 am-3:22 am

1 stop19h 21m

$628

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 12/6

1:13 am-12:58 am

1 stop21h 45m

Buenos Aires Ministro Pistarini

Tue 12/9

9:03 am-11:33 pm

1 stop16h 30m

$628

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 11/8

1:13 am-1:00 am

1 stop21h 47m

Buenos Aires Ministro Pistarini

Sun 11/16

5:16 am-3:22 am

1 stop24h 06m

$628

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 4/12

7:50 pm-4:05 pm

2 stops19h 15m

Buenos Aires Jorge Newbery

Fri 4/17

5:00 pm-12:01 pm

2 stops20h 01m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 4/13

1:00 pm-9:45 am

1 stop19h 45m

Buenos Aires Ministro Pistarini

Sat 4/18

7:45 am-12:09 am

2 stops17h 24m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/18

12:55 pm-7:20 am

1 stop16h 25m

Buenos Aires Ministro Pistarini

Tue 12/2

11:55 pm-4:18 pm

1 stop18h 23m

$640

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Thu 4/9

4:00 pm-9:40 am

2 stops16h 40m

Buenos Aires Jorge Newbery

Tue 4/14

5:00 pm-12:01 pm

2 stops20h 01m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 11/7

12:09 pm-10:15 am

1 stop20h 06m

Buenos Aires Ministro Pistarini

Mon 11/10

10:25 pm-11:31 am

1 stop15h 06m

$640

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 12/8

7:01 am-4:00 pm

2 stops30h 59m

Buenos Aires Jorge Newbery

Thu 12/11

3:40 pm-2:40 pm

2 stops25h 00m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 46 results
1
2
3
...
5

Compare providers for flights from Dulles Intl to Buenos Aires

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 Buenos Aires in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice 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-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Buenos Aires 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-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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-Buenos Aires 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 Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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 Buenos Aires

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Buenos Aires. Price data was last updated on October 24, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires (average of $345). Flying from Washington, D.C. Dulles Intl Airport to Buenos Aires in June is currently the most expensive (average of $801). 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 BUE?

Find hourly flight availability from Dulles Intl to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Buenos Aires. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Buenos Aires flight should consider departing on Wednesday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same layover each way.

Mexico City (MEX) – chosen by Cheapflights users on 25% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Buenos Aires on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Mexico City (MEX) is the most affordable 1-stop option, with an average round-trip price of $782.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Bogotá (BOG) have the shortest average one-way travel time for 1-stop routes: 13h 45m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Buenos Aires?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Bogotá (BOG) offer the fastest connection on this route, with an average layover time of 1h 36m.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated October 27, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Buenos Aires, such as Delta, Copa Airlines, and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Copa Airlines
7.6
Good
1,561 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,872 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Avianca
6.6
Okay
2,464 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Buenos Aires. 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 Buenos Aires?

    For as low as $640, Copa Airlines can have you in Buenos Aires from Washington, D.C. Dulles Intl Airport in 19h 15m. The distance between Washington, D.C. Dulles Intl Airport and Buenos Aires is about 5219 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Avianca, at $600, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Buenos Aires.Alternate airlines to your destination round-trip include Copa Airlines and Delta. Avianca is 30% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Buenos Aires are LATAM Airlines ($275), United Airlines ($275), and Delta ($275).

  • Can I find deals for flights from Dulles Intl to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Buenos Aires?

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

  • Can I find deals for business class flights from Dulles Intl to Buenos Aires?

    Yes. Cheapflights offers flight deals from Dulles Intl to Buenos Aires 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 Buenos Aires?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires (average of $345). Flying from Washington, D.C. Dulles Intl Airport to Buenos Aires in June is currently the most expensive (average of $801). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Ministro Pistarini flights
Baltimore to Ministro Pistarini flights
Reagan-National to Ministro Pistarini flights
Dulles Intl to Jorge Newbery flights
Dulles Intl to Mendoza flights
Dulles Intl to Cordoba flights
Reagan-National to Mendoza flights
Reagan-National to Cordoba flights
Baltimore to Cordoba flights
Baltimore to Salta flights
Dulles Intl to Ushuaia flights
Baltimore to Mendoza flights
Dulles Intl to Salta flights
Dulles Intl to San Carlos de Bariloche flights
Reagan-National to San Carlos de Bariloche flights
Reagan-National to Ushuaia flights
Baltimore to Rosario flights
Dulles Intl to Rosario flights
Baltimore to San Miguel de Tucumán flights
Dulles Intl to Mar del Plata flights
Reagan-National to Rosario flights

Top 4 airlines flying from Dulles Intl to Buenos Aires

Discover the top 4 airlines that operate flights from Dulles Intl to Buenos Aires. 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$514Average$1,092FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$600Average$812FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$617Average$828FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$629Average$769FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.