Cheap flights from Dulles Intl (IAD) to Buenos Aires (BUE) from $287

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — BUE
jun. 18 — jun. 251

The best prices from Washington, D.C. Dulles Intl to Buenos Aires are usually found in September or May, booked 28 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 junio 13, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$796

One-way from

$403
High demand for flights, 36% potential price rise
Best time to find cheap flights, 26% potential price drop
From Washington, D.C. Dulles Intl to Buenos Aires (BUE)
One-way flight from Washington, D.C. Dulles Intl to Buenos Aires (BUE)

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

Wednesday flights are found to be more expensive to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 24 days in advance, which can save you up to 25% on flights from Washington, D.C. Dulles Intl Airport to Buenos Aires compared to booking the week you need them. Waiting 24 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $905. For sooner than that we have options available in the next 3 days from $1,121.

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

Flights from Washington, D.C. Dulles Intl Airport to Buenos Aires lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Buenos Aires in May, with the cheapest ticket starting at $673.

What is the cheapest time of day to fly from IAD to BUE?

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 19% on the cost of your flight, compared to a flight at noon.

Cheap Dulles Intl to Buenos Aires flights in June & July 2024

Find cheap flight options from Dulles Intl to Buenos Aires specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on junio 13, 2024.
These are some of the best deals we've found on flights to Buenos Aires in 2024 at this time. For more flight deals, be sure to check back very soon.
mar. 7/95:00 pmIAD - EZE
3 stops30h 55mMultiple Airlines
mar. 7/238:00 amEZE - IAD
2 stops23h 25mMultiple Airlines
Deal found 6/12$722
mar. 7/95:00 pmIAD - AEP
3 stops26h 00mMultiple Airlines
mar. 7/235:40 amAEP - IAD
2 stops25h 45mMultiple Airlines
Deal found 6/13$757
mié. 7/105:00 pmIAD - AEP
3 stops27h 40mMultiple Airlines
jue. 7/188:35 amAEP - IAD
3 stops32h 00mMultiple Airlines
Deal found 6/13$765
lun. 7/81:05 amIAD - EZE
2 stops22h 00mMultiple Airlines
mar. 7/238:00 amEZE - IAD
2 stops23h 25mMultiple Airlines
Deal found 6/12$769
mié. 7/106:15 amIAD - EZE
3 stops25h 45mMultiple Airlines
mié. 8/75:36 amEZE - IAD
2 stops25h 49mMultiple Airlines
Deal found 6/12$790
mié. 7/105:00 pmIAD - AEP
3 stops27h 40mMultiple Airlines
jue. 7/188:35 amAEP - IAD
2 stops22h 50mMultiple Airlines
Deal found 6/13$795
mar. 7/91:05 amIAD - EZE
2 stops22h 00mMultiple Airlines
mar. 7/239:10 amEZE - IAD
2 stops22h 15mMultiple Airlines
Deal found 6/12$813
vie. 7/125:00 pmIAD - AEP
3 stops25h 40mMultiple Airlines
sáb. 7/205:40 amAEP - IAD
2 stops25h 45mMultiple Airlines
Deal found 6/12$815
vie. 7/125:00 pmIAD - EZE
3 stops29h 01mMultiple Airlines
sáb. 7/209:50 amEZE - IAD
2 stops28h 55mMultiple Airlines
Deal found 6/12$822

Dulles Intl to Buenos Aires 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Buenos Aires in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated junio 13, 2024.
These are some of the best deals we've found on flights to Buenos Aires in 2024 at this time. For more flight deals, be sure to check back very soon.
mar. 10/82:35 amIAD - EZE
3 stops25h 00mAvianca
mar. 10/156:00 amEZE - IAD
3 stops20h 15mAvianca
Deal found 6/11$658
lun. 8/54:05 amIAD - EZE
3 stops34h 45mMultiple Airlines
mar. 8/208:00 amEZE - IAD
2 stops30h 45mMultiple Airlines
Deal found 6/11$716
jue. 10/102:35 amIAD - EZE
3 stops25h 00mAvianca
sáb. 10/266:00 amEZE - IAD
3 stops20h 15mAvianca
Deal found 6/13$717
mar. 7/95:00 pmIAD - EZE
3 stops30h 55mMultiple Airlines
mar. 7/238:00 amEZE - IAD
2 stops23h 25mMultiple Airlines
Deal found 6/12$722
jue. 8/291:05 amIAD - EZE
2 stops22h 00mAvianca
lun. 9/96:00 amEZE - IAD
3 stops20h 15mAvianca
Deal found 6/12$731
jue. 8/292:35 amIAD - EZE
3 stops25h 00mAvianca
lun. 9/96:00 amEZE - IAD
3 stops20h 15mAvianca
Deal found 6/12$734
dom. 8/182:30 amIAD - EZE
2 stops20h 35mMultiple Airlines
lun. 8/264:40 pmEZE - IAD
3 stops31h 55mMultiple Airlines
Deal found 6/12$737
dom. 8/182:30 amIAD - EZE
3 stops20h 35mMultiple Airlines
lun. 8/264:40 pmEZE - IAD
3 stops31h 55mMultiple Airlines
Deal found 6/12$744
mar. 8/272:35 amIAD - EZE
3 stops25h 00mAvianca
jue. 9/196:00 amEZE - IAD
3 stops20h 15mAvianca
Deal found 6/12$754

Dulles Intl to Buenos Aires flights leaving soon

Find last-minute flight options from Dulles Intl to Buenos Aires for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated junio 13, 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to Buenos Aires. Tip: verify your flight details before completing your reservation.
mar. 6/181:55 amIAD - EZE
2 stops25h 40mMultiple Airlines
sáb. 8/34:40 pmEZE - IAD
3 stops35h 05mMultiple Airlines
Deal found 6/11$875
mié. 6/192:30 amIAD - EZE
3 stops24h 40mMultiple Airlines
sáb. 8/34:40 pmEZE - IAD
3 stops35h 05mMultiple Airlines
Deal found 6/11$887
jue. 6/206:15 amIAD - EZE
3 stops32h 35mMultiple Airlines
sáb. 8/34:40 pmEZE - IAD
3 stops35h 05mMultiple Airlines
Deal found 6/11$914
mié. 6/193:05 pmIAD - EZE
1 stop22h 15mMultiple Airlines
sáb. 8/34:40 pmEZE - IAD
3 stops35h 05mMultiple Airlines
Deal found 6/11$940
mar. 6/181:08 pmIAD - AEP
2 stops21h 25mLATAM Airlines
sáb. 6/227:10 pmAEP - IAD
2 stops17h 30mLATAM Airlines
Deal found 6/12$997
mié. 6/193:05 pmIAD - EZE
1 stop22h 15mGOL
sáb. 8/34:50 pmEZE - IAD
1 stop21h 55mGOL
Deal found 6/11$1,021
mar. 6/186:15 amIAD - EZE
3 stops32h 35mMultiple Airlines
vie. 6/211:40 amEZE - IAD
3 stops24h 35mMultiple Airlines
Deal found 6/12$1,075
mar. 6/187:45 amIAD - EZE
1 stop15h 20mAvianca
mar. 6/256:40 amEZE - IAD
2 stops17h 55mAvianca
Deal found 6/13$1,088
mar. 6/182:43 amIAD - EZE
3 stops20h 22mMultiple Airlines
sáb. 8/34:40 pmEZE - IAD
3 stops35h 05mMultiple Airlines
Deal found 6/11$1,097

One-way flights to Buenos Aires from Dulles Intl

Search for one-way flight options from Dulles Intl to Buenos Aires. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated junio 13, 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to Buenos Aires. Users needing a return flight from Washington, D.C. to Buenos Aires should utilize the search form above.
sáb. 8/102:35 amIAD - EZE
3 stops25h 00mAvianca
Deal found 6/12$287
dom. 8/116:15 amIAD - AEP
3 stops27h 45mMultiple Airlines
Deal found 6/12$301
dom. 8/116:15 amIAD - EZE
3 stops32h 35mMultiple Airlines
Deal found 6/12$311
mar. 9/36:15 amIAD - AEP
3 stops34h 25mMultiple Airlines
Deal found 6/12$321
mié. 7/175:00 pmIAD - EZE
3 stops40h 00mMultiple Airlines
Deal found 6/11$327
mar. 9/37:30 pmIAD - EZE
3 stops32h 05mAvianca
Deal found 6/12$329
mar. 9/35:00 pmIAD - EZE
2 stops30h 05mAvianca
Deal found 6/12$356
jue. 10/313:15 pmIAD - EZE
3 stops32h 35mMultiple Airlines
Deal found 6/11$357
mar. 8/137:45 amIAD - EZE
2 stops19h 00mMultiple Airlines
Deal found 6/12$358

Find flights from Dulles Intl to Buenos Aires within your budget

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 3,214,720 searches. Data last updated junio 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$658 - $1,383

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBuenos Aires Ministro Pistarini

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mar. 10/8

3 stops25h 00m

Buenos Aires Ministro Pistarini

mar. 10/15

3 stops20h 15m

$658

Washington, D.C. Dulles IntlBuenos Aires Ministro Pistarini

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

lun. 8/5

3 stops34h 45m

Buenos Aires Ministro Pistarini

mar. 8/20

2 stops30h 45m

$716

Washington, D.C. Dulles IntlBuenos Aires Ministro Pistarini

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mar. 7/9

3 stops30h 55m

Buenos Aires Ministro Pistarini

mar. 7/23

2 stops23h 25m

$722

Washington, D.C. Dulles IntlBuenos Aires Ministro Pistarini

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

jue. 8/29

2 stops22h 00m

Buenos Aires Ministro Pistarini

lun. 9/9

3 stops20h 15m

$731

Washington, D.C. Dulles IntlBuenos Aires Ministro Pistarini

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

jue. 8/29

3 stops25h 00m

Buenos Aires Ministro Pistarini

lun. 9/9

3 stops20h 15m

$734

Washington, D.C. Dulles IntlBuenos Aires Ministro Pistarini

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

dom. 8/18

2 stops20h 35m

Buenos Aires Ministro Pistarini

lun. 8/26

3 stops31h 55m

$737

Washington, D.C. Dulles IntlBuenos Aires Jorge Newbery

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

lun. 8/12

2 stops22h 04m

Buenos Aires Jorge Newbery

mar. 8/13

2 stops17h 28m

$872

Washington, D.C. Dulles IntlBuenos Aires Ministro Pistarini

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mié. 10/16

1 stop22h 25m

Buenos Aires Ministro Pistarini

jue. 10/31

1 stop22h 00m

$915

Washington, D.C. Dulles IntlBuenos Aires Jorge Newbery

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

sáb. 10/12

2 stops21h 00m

Buenos Aires Jorge Newbery

vie. 10/18

2 stops21h 27m

$1,383

Flights are sorted by cheapest first

Deals found on 6/11

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 June 12, 2024.
Booking 28 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.
Search Deals

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 June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Buenos Aires flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature and rainfall totals by month.

BUE

Temperature

51.8 - 77 °F

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 junio 13, 2024.
Get a feel of what it's like to fly with Avianca, GOL and United Airlines from Washington, D.C. to Buenos Aires 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.
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,000 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
2,517 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
2,307 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
1,260 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
3,529 reviews
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.
  • Can I find flights from Washington, D.C. Dulles Intl Airport to Buenos Aires for under $700 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Buenos Aires for under $700. The cheapest flight booked recently is on Avianca for just $658, but on average you can expect to pay $750.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Buenos Aires for under $900?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Buenos Aires within the next 7 days for less than $900.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Buenos Aires round-trip?

    Avianca, at $658, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Buenos Aires.. Avianca is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does IAD to EZE mean?

    Washington, D.C. Dulles Intl Airport is IAD and Buenos Aires Ministro Pistarini Airport is EZE. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Buenos Aires Jorge Newbery Airport (AEP) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Dulles Intl to Buenos Aires that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Buenos Aires flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Buenos Aires with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Buenos Aires flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Dulles Intl to Buenos Aires that allow pets onboard?

    Many airlines flying from Dulles Intl to Buenos Aires offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Buenos Aires?

    Yes, you can often find last-minute deals on Dulles Intl to Buenos Aires flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Buenos Aires flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Buenos Aires flight deals you see on this page were last updated on 6/13.

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Buenos Aires?

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

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Buenos Aires (average of $793). Flying from Washington, D.C. Dulles Intl Airport to Buenos Aires in December is currently the most expensive (average of $1,141). 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

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Top 7 airlines flying from Dulles Intl to Buenos Aires

Discover the top 7 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 3,214,720 searches. Data last updated junio 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$658Average$918FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$750Average$1,119FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$885Average$1,093FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$891Average$1,321FlexibilityNo cancel feeOn-time69%
DeltaCheapest$915Average$1,163FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$970Average$1,191FlexibilityNo cancel feeOn-time59%
LATAM AirlinesCheapest$1,019Average$1,099FlexibilityNo cancel feeOn-time81%

Search flights from Dulles Intl to Buenos Aires by cabin class

Find flights from Dulles Intl to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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