What airlines fly to State of Washington?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to State of Washington from Buenos Aires according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Buenos Aires to Washington?

Prices for flights from Buenos Aires to Washington refresh daily.

How many operators does momondo search for flights from Buenos Aires to Washington?

There are 3 operators available for flights from Buenos Aires to Washington as of February 2026.

How old do you have to be to fly from Buenos Aires to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buenos Aires to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$443 Cheap Flights from Buenos Aires to Washington in 2026

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Find the cheapest flights from Buenos Aires to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 am - 11:40 pm

EZE

SEA

18h 30m

1 stop

5:30 am - 8:20 am

SEA

EZE

22h 50m

1 stop

$986American Airlines

Wed, Mar 4 - Sat, Mar 14

8:35 pm - 2:08 pm

EZE

SEA

21h 33m

2 stops

5:05 am - 7:10 am

SEA

EZE

22h 05m

1 stop

$990American Airlines

Fri, May 8 - Fri, May 22

1:20 pm - 8:35 pm

EZE

PDX

35h 15m

1 stop

5:14 pm - 6:10 am

PDX

EZE

32h 56m

2 stops

$992Multiple Airlines

Mon, Apr 6 - Sun, Apr 12

11:00 am - 8:44 pm

EZE

PDX

37h 44m

1 stop

10:24 am - 7:20 am

PDX

EZE

40h 56m

2 stops

$1,004Multiple Airlines

Mon, Mar 9 - Sat, Mar 14

4:45 pm - 7:16 pm

EZE

SEA

55h 31m

3 stops

5:50 am - 3:10 pm

SEA

EZE

53h 20m

3 stops

$1,014Air Canada

Wed, Mar 4 - Sat, Mar 14

8:55 pm - 10:07 am

EZE

SEA

18h 12m

1 stop

7:20 am - 10:15 am

SEA

EZE

22h 55m

1 stop

$1,034Delta

Mon, Mar 2 - Sun, Mar 15

8:05 pm - 2:42 pm

AEP

SEA

22h 37m

2 stops

6:00 am - 7:40 am

SEA

AEP

21h 40m

2 stops

$1,043LATAM Airlines

Wed, Apr 22 - Mon, Apr 27

3:55 am - 10:05 pm

EZE

SEA

22h 10m

2 stops

8:40 am - 9:45 am

SEA

EZE

21h 05m

1 stop

$1,092LATAM Airlines

Wed, May 27 - Thu, Jun 18

4:45 pm - 9:35 am

EZE

SEA

45h 50m

3 stops

8:00 am - 3:10 pm

SEA

EZE

27h 10m

2 stops

$1,099Air Canada

Mon, Mar 2 - Sun, Mar 15

6:10 pm - 10:30 am

AEP

PDX

20h 20m

2 stops

6:15 am - 12:20 pm

PDX

AEP

26h 05m

2 stops

$1,636Delta

Mon, Apr 6 - Sun, Apr 12

United Airlines flights from Buenos Aires to State of Washington

Our best United Airlines deals on Buenos Aires to State of Washington flight tickets

United Airlines

Mar 19

EZE9:05 pmBuenos Aires Ministro Pistarini

23h 09m

2 stops

SEA4:14 pmSeattle/Tacoma Intl

Mar 23

SEA8:59 amSeattle/Tacoma Intl

19h 21m

2 stops

EZE8:20 amBuenos Aires Ministro Pistarini

$1,292

United Airlines

Mar 19

EZE10:55 pmBuenos Aires Ministro Pistarini

24h 33m

2 stops

SEA7:28 pmSeattle/Tacoma Intl

Mar 23

SEA6:32 amSeattle/Tacoma Intl

21h 48m

2 stops

EZE8:20 amBuenos Aires Ministro Pistarini

$1,295

United Airlines

Mar 19

EZE10:55 pmBuenos Aires Ministro Pistarini

26h 03m

2 stops

SEA8:58 pmSeattle/Tacoma Intl

Mar 23

SEA6:32 amSeattle/Tacoma Intl

21h 48m

2 stops

EZE8:20 amBuenos Aires Ministro Pistarini

$1,296

American Airlines flights from Buenos Aires to State of Washington

Our best American Airlines deals on Buenos Aires to State of Washington flight tickets

American Airlines

Mar 4

EZE10:10 amBuenos Aires Ministro Pistarini

18h 30m

1 stop

SEA11:40 pmSeattle/Tacoma Intl

Mar 14

SEA5:30 amSeattle/Tacoma Intl

22h 50m

1 stop

EZE8:20 amBuenos Aires Ministro Pistarini

$986

American Airlines

May 8

EZE8:35 pmBuenos Aires Ministro Pistarini

21h 33m

2 stops

SEA2:08 pmSeattle/Tacoma Intl

May 22

SEA5:05 amSeattle/Tacoma Intl

22h 05m

1 stop

EZE7:10 amBuenos Aires Ministro Pistarini

$990

American Airlines

May 8

EZE8:35 pmBuenos Aires Ministro Pistarini

31h 09m

1 stop

SEA11:44 pmSeattle/Tacoma Intl

May 22

SEA10:23 amSeattle/Tacoma Intl

16h 47m

1 stop

EZE7:10 amBuenos Aires Ministro Pistarini

$1,003

momondo Fare Finder

Use the filters below to find and compare flights from Buenos Aires to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

10:10 am-11:40 pm

1 stop18h 30m

Seattle/Tacoma Intl

Sat 3/14

5:30 am-8:20 am

1 stop22h 50m

$986

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Fri 5/8

8:35 pm-2:08 pm

2 stops21h 33m

Seattle/Tacoma Intl

Fri 5/22

5:05 am-7:10 am

1 stop22h 05m

$990

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Mon 4/6

1:20 pm-8:35 pm

1 stop35h 15m

Portland

Sun 4/12

5:14 pm-6:10 am

2 stops32h 56m

$992

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Mon 3/9

11:00 am-8:44 pm

1 stop37h 44m

Portland

Sat 3/14

10:24 am-7:20 am

2 stops40h 56m

$1,004

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 3/4

4:45 pm-7:16 pm

3 stops55h 31m

Seattle/Tacoma Intl

Sat 3/14

5:50 am-3:10 pm

3 stops53h 20m

$1,014

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 3/2

8:55 pm-10:07 am

1 stop18h 12m

Seattle/Tacoma Intl

Sun 3/15

7:20 am-10:15 am

1 stop22h 55m

$1,034

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Wed 4/22

8:05 pm-2:42 pm

2 stops22h 37m

Seattle/Tacoma Intl

Mon 4/27

6:00 am-7:40 am

2 stops21h 40m

$1,043

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 5/27

3:55 am-10:05 pm

2 stops22h 10m

Seattle/Tacoma Intl

Thu 6/18

8:40 am-9:45 am

1 stop21h 05m

$1,092

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 3/2

4:45 pm-9:35 am

3 stops45h 50m

Seattle/Tacoma Intl

Sun 3/15

8:00 am-3:10 pm

2 stops27h 10m

$1,099

Buenos AiresPortland

AEP - PDX

AEPPDX

Buenos Aires Jorge Newbery

Mon 4/6

6:10 pm-10:30 am

2 stops20h 20m

Portland

Sun 4/12

6:15 am-12:20 pm

2 stops26h 05m

$1,636

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buenos Aires to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to State of Washington?

The month of March is, on average, the cheapest month to fly to State of Washington from Buenos Aires, with most prices found around $1,043. If you aren’t able to travel to State of Washington during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,148.

Can stopping save me money on Buenos Aires to State of Washington flights?

You could potentially save up to 13% on your flight if you consider stops on a Buenos Aires to State of Washington flight.

Cheap Buenos Aires to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buenos Aires to State of Washington

Fastest flight time	17h 55m
Direct flights	None

The fastest flight from Buenos Aires to State of Washington takes 17h 55m

There are no direct flights from Buenos Aires to State of Washington. There are no popular flight routes from Buenos Aires to State of Washington.

Search flight deals

When did momondo last update prices for flights from Buenos Aires to Washington?
Prices for flights from Buenos Aires to Washington refresh daily.
How many operators does momondo search for flights from Buenos Aires to Washington?
There are 3 operators available for flights from Buenos Aires to Washington as of February 2026.
How old do you have to be to fly from Buenos Aires to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buenos Aires to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Buenos Aires to State of Washington

Compare and see reviews for airlines that fly from Buenos Aires to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $934	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.2 11,266 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,219	Free Cancellation	Rating 7.4 9,274 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to Washington?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Buenos Aires.

Can I find flights from Buenos Aires to Washington with flexible booking policies on momondo?

All flight searches from Buenos Aires to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Buenos Aires to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buenos Aires to Washington.

I’m not ready to book a flight from Buenos Aires to Washington right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Buenos Aires to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.