What is the cheapest airline that flies from Buenos Aires to Washington?

LATAM Airlines, Aeromexico, and United Airlines are the most popular carriers operating from Buenos Aires to Washington

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 2 operators available for flights from Buenos Aires to Washington as of May 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.

$434 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.

8:35 pm - 12:00 pm

EZE

SEA

19h 25m

1 stop

1:00 pm - 8:50 am

SEA

EZE

15h 50m

1 stop

$957American Airlines

Thu, Jun 11 - Thu, Jun 18

8:35 pm - 1:57 pm

EZE

SEA

21h 22m

2 stops

7:31 am - 7:05 am

SEA

EZE

19h 34m

2 stops

$961American Airlines

Thu, Jun 11 - Thu, Jun 18

7:21 pm - 12:58 pm

EZE

SEA

21h 37m

2 stops

8:25 am - 9:40 am

SEA

EZE

21h 15m

1 stop

$970LATAM Airlines

Mon, Sep 21 - Wed, Oct 21

3:55 am - 9:57 pm

EZE

SEA

22h 02m

2 stops

8:25 am - 9:40 am

SEA

EZE

21h 15m

1 stop

$984Multiple Airlines

Sun, Sep 20 - Wed, Oct 21

8:10 pm - 10:05 am

EZE

SEA

17h 55m

1 stop

8:25 am - 9:40 am

SEA

EZE

21h 15m

1 stop

$991LATAM Airlines

Mon, Sep 21 - Wed, Oct 21

1:10 pm - 10:00 am

EZE

SEA

24h 50m

1 stop

9:45 pm - 9:45 am

SEA

EZE

32h 00m

1 stop

$1,003Delta

Wed, Jun 24 - Wed, Jul 8

9:00 pm - 7:08 pm

EZE

SEA

26h 08m

1 stop

7:00 am - 8:00 am

SEA

EZE

21h 00m

1 stop

$1,012United Airlines

Wed, Aug 12 - Mon, Aug 31

9:00 pm - 12:40 pm

EZE

SEA

19h 40m

1 stop

8:40 pm - 8:00 am

SEA

EZE

31h 20m

2 stops

$1,016United Airlines

Mon, Sep 21 - Sun, Sep 27

1:10 pm - 10:00 pm

EZE

SEA

36h 50m

1 stop

8:12 am - 9:40 am

SEA

EZE

21h 28m

1 stop

$1,024Multiple Airlines

Thu, Aug 6 - Tue, Aug 18

8:10 pm - 10:28 am

EZE

PDX

18h 18m

1 stop

5:30 am - 9:40 am

PDX

EZE

23h 10m

2 stops

$1,313Delta

Wed, Aug 12 - Wed, Nov 18

Delta flights from Buenos Aires to State of Washington

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

Delta

Jun 24

EZE1:10 pmBuenos Aires Ministro Pistarini

24h 50m

1 stop

SEA10:00 amSeattle/Tacoma Intl

Jul 8

SEA9:45 pmSeattle/Tacoma Intl

32h 00m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

$1,003

Delta

May 20

EZE3:55 amBuenos Aires Ministro Pistarini

34h 10m

2 stops

SEA10:05 amSeattle/Tacoma Intl

Jun 3

SEA1:30 pmSeattle/Tacoma Intl

16h 15m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

$1,005

Delta

May 20

EZE3:55 amBuenos Aires Ministro Pistarini

34h 10m

2 stops

SEA10:05 amSeattle/Tacoma Intl

Jun 3

SEA9:35 pmSeattle/Tacoma Intl

28h 35m

2 stops

EZE6:10 amBuenos Aires Ministro Pistarini

$1,301

LATAM Airlines flights from Buenos Aires to State of Washington

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

LATAM Airlines

Sep 21

EZE7:21 pmBuenos Aires Ministro Pistarini

21h 37m

2 stops

SEA12:58 pmSeattle/Tacoma Intl

Oct 21

SEA8:25 amSeattle/Tacoma Intl

21h 15m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

$970

LATAM Airlines

Sep 21

EZE8:10 pmBuenos Aires Ministro Pistarini

17h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

Oct 21

SEA8:25 amSeattle/Tacoma Intl

21h 15m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

$991

LATAM Airlines

Aug 12

AEP3:45 pmBuenos Aires Jorge Newbery

26h 55m

2 stops

SEA2:40 pmSeattle/Tacoma Intl

Aug 31

SEA8:25 amSeattle/Tacoma Intl

31h 15m

2 stops

AEP7:40 pmBuenos Aires Jorge Newbery

$1,012

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

Cheapest round-trip

Quickest round-trip

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/11

8:35 pm-12:00 pm

1 stop19h 25m

Seattle/Tacoma Intl

Thu 6/18

1:00 pm-8:50 am

1 stop15h 50m

$957

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 6/11

8:35 pm-1:57 pm

2 stops21h 22m

Seattle/Tacoma Intl

Thu 6/18

7:31 am-7:05 am

2 stops19h 34m

$961

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

7:21 pm-12:58 pm

2 stops21h 37m

Seattle/Tacoma Intl

Wed 10/21

8:25 am-9:40 am

1 stop21h 15m

$970

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Sun 9/20

3:55 am-9:57 pm

2 stops22h 02m

Seattle/Tacoma Intl

Wed 10/21

8:25 am-9:40 am

1 stop21h 15m

$984

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

8:10 pm-10:05 am

1 stop17h 55m

Seattle/Tacoma Intl

Wed 10/21

8:25 am-9:40 am

1 stop21h 15m

$991

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 6/24

1:10 pm-10:00 am

1 stop24h 50m

Seattle/Tacoma Intl

Wed 7/8

9:45 pm-9:45 am

1 stop32h 00m

$1,003

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 8/12

9:00 pm-7:08 pm

1 stop26h 08m

Seattle/Tacoma Intl

Mon 8/31

7:00 am-8:00 am

1 stop21h 00m

$1,012

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

9:00 pm-12:40 pm

1 stop19h 40m

Seattle/Tacoma Intl

Sun 9/27

8:40 pm-8:00 am

2 stops31h 20m

$1,016

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/6

1:10 pm-10:00 pm

1 stop36h 50m

Seattle/Tacoma Intl

Tue 8/18

8:12 am-9:40 am

1 stop21h 28m

$1,024

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Wed 8/12

8:10 pm-10:28 am

1 stop18h 18m

Portland

Wed 11/18

5:30 am-9:40 am

2 stops23h 10m

$1,313

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 May is, on average, the cheapest month to fly to State of Washington from Buenos Aires, with most prices found around $763. If you aren’t able to travel to State of Washington during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $871.

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

You could potentially save up to 5% 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

Frequently asked questions about flying from Buenos Aires to Washington

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 2 operators available for flights from Buenos Aires to Washington as of May 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
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.1 11,665 reviews		Search American 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.