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$510+ Cheap flights from Buenos Aires (BUE) to Washington

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SEA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Buenos Aires to Washington

Keep the following information in mind while searching for Buenos Aires to Washington flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$945
(Trip.com)

One-way from

$510
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$1,319
Provider with most accurate pricing for Buenos Aires (BUE)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Seattle/Tacoma Intl flights.
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From Buenos Aires (BUE) to Washington
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One-way flight from Buenos Aires (BUE) to Washington
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Highest demand for flights based on searches. 13% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Buenos Aires to Washington

Cheapest flights from Buenos Aires to Washington
Explore the most affordable flight options available from Buenos Aires to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2711:55 pmEZE - SEA
2 stops28h 04mMultiple Airlines
Sun 5/46:00 amSEA - EZE
2 stops36h 25mMultiple Airlines
Deal found 4/23$945
This LATAM Airlines deal was found by Cheapflights users on 4/23. 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 6/23:40 pmAEP - SEA
2 stops26h 50mLATAM Airlines
Mon 6/1611:15 pmSEA - AEP
2 stops24h 50mLATAM Airlines
Deal found 4/23$1,031
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/279:00 amAEP - SEA
2 stops42h 59mMultiple Airlines
Sun 5/46:00 amSEA - AEP
2 stops32h 20mMultiple Airlines
Deal found 4/23$1,100
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
Thu 6/1212:58 pmEZE - SEA
2 stops29h 42mLATAM Airlines
Thu 7/106:00 amSEA - EZE
2 stops32h 14mLATAM Airlines
Deal found 4/22$1,103
This LATAM Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 9/287:35 amEZE - PDX
2 stops31h 21mLATAM Airlines
Sun 10/59:45 pmPDX - EZE
2 stops28h 10mLATAM Airlines
Deal found 4/23$1,107
This LATAM Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 9/288:10 pmAEP - PDX
2 stops21h 16mLATAM Airlines
Sun 10/52:40 pmPDX - AEP
2 stops23h 50mLATAM Airlines
Deal found 4/23$1,107
This United Airlines deal was found by Cheapflights users on 4/23. 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 9/289:00 pmEZE - PDX
1 stop26h 14mUnited Airlines
Sun 10/511:59 pmPDX - EZE
2 stops28h 01mUnited Airlines
Deal found 4/23$1,111
This Gotogate deal was found by Cheapflights users on 4/23. 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.
Thu 5/810:05 amEZE - SEA
2 stops42h 54mCopa Airlines
Mon 5/125:40 pmSEA - EZE
2 stops30h 29mCopa Airlines
Deal found 4/23$1,129
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 6/109:00 pmEZE - SEA
1 stop26h 14mUnited Airlines
Tue 6/1712:00 pmSEA - EZE
1 stop16h 00mUnited Airlines
Deal found 4/23$1,219
This Expedia deal was found by Cheapflights users on 4/23. 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.
Mon 6/24:35 pmEZE - SEA
3 stops55h 02mAir Canada
Mon 6/162:55 pmSEA - EZE
3 stops43h 35mAir Canada
Deal found 4/23$1,245
This Mytrip deal was found by Cheapflights users on 4/23. 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 6/35:00 pmAEP - PDX
3 stops29h 45mMultiple Airlines
Sun 8/3111:55 pmPDX - AEP
3 stops33h 05mMultiple Airlines
Deal found 4/23$1,302
This Aeromexico deal was found by Cheapflights users on 4/22. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1611:25 pmEZE - SEA
1 stop24h 35mAeromexico
Thu 7/179:58 pmSEA - EZE
1 stop19h 27mAeromexico
Deal found 4/22$1,312

Cheapflights Fare Finder

Customize your flight search to find flights from Buenos Aires to Washington 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 April 24, 2025.
Use the filters below to find and compare flights from Buenos Aires to Washington that are best for you.

Fly from

Buenos Aires

Fly to

Washington

Route

Depart

Return

Price

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Mon 6/2

3:40 pm-2:30 pm

2 stops26h 50m

Seattle/Tacoma Intl

Mon 6/16

11:15 pm-4:05 am

2 stops24h 50m

$1,031

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/12

12:58 pm-2:40 pm

2 stops29h 42m

Seattle/Tacoma Intl

Thu 7/10

6:00 am-6:14 pm

2 stops32h 14m

$1,103

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Sun 9/28

7:35 am-10:56 am

2 stops31h 21m

Portland

Sun 10/5

9:45 pm-5:55 am

2 stops28h 10m

$1,107

Buenos AiresPortland

AEP - PDX

AEPPDX

Buenos Aires Jorge Newbery

Sun 9/28

8:10 pm-1:26 pm

2 stops21h 16m

Portland

Sun 10/5

2:40 pm-6:30 pm

2 stops23h 50m

$1,107

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Sun 9/28

9:00 pm-7:14 pm

1 stop26h 14m

Portland

Sun 10/5

11:59 pm-8:00 am

2 stops28h 01m

$1,111

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 5/8

10:05 am-12:59 am

2 stops42h 54m

Seattle/Tacoma Intl

Mon 5/12

5:40 pm-4:09 am

2 stops30h 29m

$1,129

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 5/8

4:35 pm-7:37 pm

3 stops31h 02m

Seattle/Tacoma Intl

Mon 5/12

5:40 pm-4:09 am

2 stops30h 29m

$1,146

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Tue 6/3

3:40 pm-10:13 pm

3 stops34h 33m

Seattle/Tacoma Intl

Sun 8/31

11:55 pm-1:00 pm

3 stops33h 05m

$1,216

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Tue 6/10

9:00 pm-7:14 pm

1 stop26h 14m

Seattle/Tacoma Intl

Tue 6/17

12:00 pm-8:00 am

1 stop16h 00m

$1,219

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 6/2

4:35 pm-7:37 pm

3 stops55h 02m

Seattle/Tacoma Intl

Mon 6/16

2:55 pm-2:30 pm

3 stops43h 35m

$1,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 35 results
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Best time to book a flight from Buenos Aires to Washington

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

What is the cheapest month to book a flight from Buenos Aires to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Buenos Aires to State of Washington (average of $238). Flying from Buenos Aires to State of Washington in July is currently the most expensive (average of $411). 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 24, 2025.
To help decide which airline to fly from Buenos Aires to Washington, see what other customers have to say about Delta, Copa Airlines and LATAM Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.6
Good
1,411 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,700 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Buenos Aires to State of Washington one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $812. LATAM Airlines flights start at $834 while deals on United Airlines start at $876 one-way.

  • What are the most popular routes from Buenos Aires to State of Washington?

    When deciding which route to take from Buenos Aires to State of Washington consider Buenos Aires Ministro Pistarini - Seattle/Tacoma Intl, Buenos Aires Jorge Newbery - Seattle/Tacoma Intl or Buenos Aires Jorge Newbery - Portland as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buenos Aires to Washington 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 Buenos Aires to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Buenos Aires to State of Washington (average of $238). Flying from Buenos Aires to State of Washington in July is currently the most expensive (average of $411). 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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Alternative routes for Buenos Aires to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Buenos Aires to Washington

Discover the top airline that operate flights from Buenos Aires to Washington. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,233Average$1,484FlexibilityNo cancel feeOn-time69%

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