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

Delta, United Airlines, and Air Canada 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 March 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.

$454 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.

4:35 pm - 9:52 am

EZE

SEA

45h 17m

3 stops

7:20 pm - 2:30 pm

SEA

EZE

63h 10m

3 stops

$1,121Air Canada

Mon, Sep 21 - Wed, Oct 21

4:35 pm - 9:35 am

EZE

SEA

45h 00m

3 stops

10:45 am - 2:30 pm

SEA

EZE

47h 45m

3 stops

$1,190Air Canada

Thu, Apr 23 - Mon, May 11

10:45 pm - 9:47 pm

EZE

SEA

27h 02m

1 stop

9:32 pm - 7:55 am

SEA

EZE

30h 23m

2 stops

$1,200Multiple Airlines

Wed, Apr 22 - Wed, Apr 29

3:55 am - 9:56 pm

EZE

SEA

22h 01m

2 stops

8:25 am - 11:30 am

SEA

EZE

23h 05m

2 stops

$1,210Multiple Airlines

Mon, Aug 31 - Thu, Sep 10

11:25 pm - 7:49 pm

EZE

SEA

48h 24m

3 stops

11:00 pm - 10:00 am

SEA

EZE

31h 00m

3 stops

$1,217Multiple Airlines

Mon, May 25 - Tue, Jun 2

10:05 pm - 7:09 pm

EZE

SEA

25h 04m

1 stop

8:45 pm - 8:15 pm

SEA

EZE

19h 30m

1 stop

$1,227American Airlines

Mon, Jun 1 - Tue, Jun 30

8:45 pm - 2:52 pm

EZE

SEA

22h 07m

2 stops

7:40 am - 7:15 am

SEA

EZE

19h 35m

2 stops

$1,231American Airlines

Mon, Sep 21 - Wed, Oct 21

3:45 pm - 12:27 pm

AEP

SEA

24h 42m

2 stops

7:20 am - 7:40 am

SEA

AEP

20h 20m

2 stops

$1,294LATAM Airlines

Thu, Aug 6 - Tue, Aug 18

3:45 pm - 12:27 pm

AEP

SEA

24h 42m

2 stops

7:20 am - 7:40 am

SEA

AEP

20h 20m

2 stops

$1,307LATAM Airlines

Thu, Aug 6 - Tue, Aug 18

8:10 pm - 11:39 am

EZE

PDX

19h 29m

2 stops

11:16 am - 9:45 am

PDX

EZE

18h 29m

1 stop

$1,313Delta

Mon, May 11 - Sun, May 17

Air Canada flights from Buenos Aires to State of Washington

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

Air Canada

Sep 21

EZE4:35 pmBuenos Aires Ministro Pistarini

45h 17m

3 stops

SEA9:52 amSeattle/Tacoma Intl

Oct 21

SEA7:20 pmSeattle/Tacoma Intl

63h 10m

3 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

$1,121

Air Canada

Apr 23

EZE4:35 pmBuenos Aires Ministro Pistarini

45h 00m

3 stops

SEA9:35 amSeattle/Tacoma Intl

May 11

SEA10:45 amSeattle/Tacoma Intl

47h 45m

3 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

$1,190

Air Canada

May 6

EZE4:35 pmBuenos Aires Ministro Pistarini

44h 55m

2 stops

PDX9:30 amPortland

May 13

PDX3:30 pmPortland

67h 00m

2 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

$1,312

Copa Airlines flights from Buenos Aires to State of Washington

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

Copa Airlines

Aug 11

EZE2:49 pmBuenos Aires Ministro Pistarini

35h 07m

2 stops

SEA9:56 pmSeattle/Tacoma Intl

Aug 22

SEA6:51 pmSeattle/Tacoma Intl

27h 39m

2 stops

EZE2:30 amBuenos Aires Ministro Pistarini

$1,303

Copa Airlines

May 24

EZE12:10 amBuenos Aires Ministro Pistarini

25h 49m

2 stops

SEA9:59 pmSeattle/Tacoma Intl

Jun 2

SEA5:20 pmSeattle/Tacoma Intl

25h 07m

2 stops

EZE10:27 pmBuenos Aires Ministro Pistarini

$1,406

Copa Airlines

Apr 7

EZE9:00 pmBuenos Aires Ministro Pistarini

26h 42m

1 stop

SEA7:42 pmSeattle/Tacoma Intl

Sep 22

SEA12:10 pmSeattle/Tacoma Intl

15h 50m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

$1,425

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

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

4:35 pm-9:52 am

3 stops45h 17m

Seattle/Tacoma Intl

Wed 10/21

7:20 pm-2:30 pm

3 stops63h 10m

$1,121

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 4/23

4:35 pm-9:35 am

3 stops45h 00m

Seattle/Tacoma Intl

Mon 5/11

10:45 am-2:30 pm

3 stops47h 45m

$1,190

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 4/22

10:45 pm-9:47 pm

1 stop27h 02m

Seattle/Tacoma Intl

Wed 4/29

9:32 pm-7:55 am

2 stops30h 23m

$1,200

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 8/31

3:55 am-9:56 pm

2 stops22h 01m

Seattle/Tacoma Intl

Thu 9/10

8:25 am-11:30 am

2 stops23h 05m

$1,210

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 5/25

11:25 pm-7:49 pm

3 stops48h 24m

Seattle/Tacoma Intl

Tue 6/2

11:00 pm-10:00 am

3 stops31h 00m

$1,217

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 6/1

10:05 pm-7:09 pm

1 stop25h 04m

Seattle/Tacoma Intl

Tue 6/30

8:45 pm-8:15 pm

1 stop19h 30m

$1,227

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Mon 9/21

8:45 pm-2:52 pm

2 stops22h 07m

Seattle/Tacoma Intl

Wed 10/21

7:40 am-7:15 am

2 stops19h 35m

$1,231

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 8/6

3:45 pm-12:27 pm

2 stops24h 42m

Seattle/Tacoma Intl

Tue 8/18

7:20 am-7:40 am

2 stops20h 20m

$1,294

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 8/6

3:45 pm-12:27 pm

2 stops24h 42m

Seattle/Tacoma Intl

Tue 8/18

7:20 am-7:40 am

2 stops20h 20m

$1,307

Quickest round-trip

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Mon 5/11

8:10 pm-11:39 am

2 stops19h 29m

Portland

Sun 5/17

11:16 am-9:45 am

1 stop18h 29m

$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 March is, on average, the cheapest month to fly to State of Washington from Buenos Aires, with most prices found around $1,042. 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 27% 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	19h 43m
Direct flights	None

The fastest flight from Buenos Aires to State of Washington takes 19h 43m

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 2 operators available for flights from Buenos Aires to Washington as of March 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 8,331 reviews		Search Delta flights
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.1 11,495 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.