Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Buenos Aires to Washington from $507

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Washington departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buenos Aires to Washington

Cheap round-trip flights

American Airlines Logo
10:25 pm - 10:38 amEZE-SEA
17h 13m1 stop
American Airlines Logo
5:41 am - 8:15 amSEA-EZE
21h 34m1 stop
$884American Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 29
American Airlines Logo
11:59 pm - 5:03 pmEZE-SEA
22h 04m2 stops
American Airlines Logo
5:41 am - 8:15 amSEA-EZE
21h 34m1 stop
$889American Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 29
LATAM Airlines Logo
7:43 pm - 1:00 pmEZE-SEA
22h 17m2 stops
LATAM Airlines Logo
8:00 am - 9:15 amSEA-EZE
20h 15m2 stops
$908LATAM Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 29
Delta Logo
7:40 am - 10:23 pmEZE-SEA
42h 43m2 stops
Delta Logo
12:15 pm - 5:55 amSEA-EZE
37h 40m2 stops
$918Delta
Find Deal
Thu, Aug 14 - Wed, Aug 27
Delta Logo
7:55 am - 10:14 pmEZE-SEA
19h 19m2 stops
Delta Logo
9:55 pm - 9:45 amSEA-EZE
30h 50m1 stop
$926Delta
Find Deal
Wed, Dec 17 - Wed, Jan 7
LATAM Airlines Logo
10:35 am - 10:23 pmAEP-SEA
39h 48m2 stops
LATAM Airlines Logo
10:08 am - 7:40 pmSEA-AEP
29h 32m2 stops
$927LATAM Airlines
Find Deal
Thu, Aug 14 - Wed, Aug 27
United Airlines Logo
9:00 pm - 7:14 pmEZE-SEA
26h 14m1 stop
United Airlines Logo
7:10 am - 8:00 amSEA-EZE
20h 50m1 stop
$963United Airlines
Find Deal
Thu, Aug 14 - Wed, Aug 27
Air Canada Logo
4:45 pm - 9:31 amEZE-SEA
45h 46m3 stops
Air Canada Logo
8:00 pm - 3:10 pmSEA-EZE
38h 10m3 stops
$1,041Air Canada
Find Deal
Wed, Dec 10 - Mon, Dec 29
Air Canada Logo
4:45 pm - 9:56 pmEZE-SEA
34h 11m2 stops
Air Canada Logo
8:00 pm - 3:10 pmSEA-EZE
38h 10m3 stops
$1,079Air Canada
Find Deal
Wed, Dec 10 - Mon, Dec 29
United Airlines Logo
9:00 pm - 3:05 pmEZE-PDX
22h 05m2 stops
United Airlines Logo
5:30 am - 8:00 amPDX-EZE
46h 30m3 stops
$1,126United Airlines
Find Deal
Sun, Sep 28 - Sun, Oct 5

Delta flights from Buenos Aires to State of Washington

Our best Delta deals on Buenos Aires to State of Washington flight tickets
Delta
Aug 14
EZE7:40 amBuenos Aires Ministro Pistarini
42h 43m
2 stops
SEA10:23 pmSeattle/Tacoma Intl
Aug 27
SEA12:15 pmSeattle/Tacoma Intl
37h 40m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
$918
Find similar
Delta
Dec 17
EZE7:55 amBuenos Aires Ministro Pistarini
19h 19m
2 stops
SEA10:14 pmSeattle/Tacoma Intl
Jan 7
SEA9:55 pmSeattle/Tacoma Intl
30h 50m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$926
Find similar
Delta
Dec 17
EZE7:55 amBuenos Aires Ministro Pistarini
19h 19m
2 stops
SEA10:14 pmSeattle/Tacoma Intl
Jan 7
SEA6:00 amSeattle/Tacoma Intl
22h 45m
2 stops
EZE9:45 amBuenos Aires Ministro Pistarini
$1,033
Find similar

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
Dec 10
EZE7:43 pmBuenos Aires Ministro Pistarini
22h 17m
2 stops
SEA1:00 pmSeattle/Tacoma Intl
Dec 29
SEA8:00 amSeattle/Tacoma Intl
20h 15m
2 stops
EZE9:15 amBuenos Aires Ministro Pistarini
$908
Find similar
LATAM Airlines
Aug 14
AEP10:35 amBuenos Aires Jorge Newbery
39h 48m
2 stops
SEA10:23 pmSeattle/Tacoma Intl
Aug 27
SEA10:08 amSeattle/Tacoma Intl
29h 32m
2 stops
AEP7:40 pmBuenos Aires Jorge Newbery
$927
Find similar
LATAM Airlines
Dec 9
EZE4:05 amBuenos Aires Ministro Pistarini
22h 55m
2 stops
SEA10:00 pmSeattle/Tacoma Intl
Dec 29
SEA8:00 amSeattle/Tacoma Intl
20h 35m
1 stop
EZE9:35 amBuenos Aires Ministro Pistarini
$928
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to State of 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
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 12/10

10:25 pm-10:38 am

1 stop17h 13m

Seattle/Tacoma Intl

Mon 12/29

5:41 am-8:15 am

1 stop21h 34m

$884

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/10

11:59 pm-5:03 pm

2 stops22h 04m

Seattle/Tacoma Intl

Mon 12/29

5:41 am-8:15 am

1 stop21h 34m

$889

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/10

7:43 pm-1:00 pm

2 stops22h 17m

Seattle/Tacoma Intl

Mon 12/29

8:00 am-9:15 am

2 stops20h 15m

$908

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/14

7:40 am-10:23 pm

2 stops42h 43m

Seattle/Tacoma Intl

Wed 8/27

12:15 pm-5:55 am

2 stops37h 40m

$918

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/17

7:55 am-10:14 pm

2 stops19h 19m

Seattle/Tacoma Intl

Wed 1/7

9:55 pm-9:45 am

1 stop30h 50m

$926

Buenos AiresSeattle

AEP - SEA

AEPSEA

Buenos Aires Jorge Newbery

Thu 8/14

10:35 am-10:23 pm

2 stops39h 48m

Seattle/Tacoma Intl

Wed 8/27

10:08 am-7:40 pm

2 stops29h 32m

$927

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Thu 8/14

9:00 pm-7:14 pm

1 stop26h 14m

Seattle/Tacoma Intl

Wed 8/27

7:10 am-8:00 am

1 stop20h 50m

$963

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/10

4:45 pm-9:31 am

3 stops45h 46m

Seattle/Tacoma Intl

Mon 12/29

8:00 pm-3:10 pm

3 stops38h 10m

$1,041

Buenos AiresSeattle

EZE - SEA

EZESEA

Buenos Aires Ministro Pistarini

Wed 12/10

4:45 pm-9:56 pm

2 stops34h 11m

Seattle/Tacoma Intl

Mon 12/29

8:00 pm-3:10 pm

3 stops38h 10m

$1,079

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Sun 9/28

9:00 pm-3:05 pm

2 stops22h 05m

Portland

Sun 10/5

5:30 am-8:00 am

3 stops46h 30m

$1,126

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington from

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

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 $1,230. If you aren’t able to travel to State of Washington during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,243.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Buenos Aires to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $1,203. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Buenos Aires to State of Washington for around $2,352.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $1,235. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,483 on average. Flights to State of Washington from Buenos Aires in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 30% 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

Best Price Found

$507

Fastest flight time

17h 13m

Direct flights

None

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Buenos Aires in the past 72 hours is $507. The best round-trip flight deal from Buenos Aires to State of Washington found on momondo in the last 72 hours is $884.
The fastest flight from Buenos Aires to State of Washington takes 17h 13m
There are no direct flights from Buenos Aires to State of Washington. Popular non-direct routes for this connection are Buenos Aires Ministro Pistarini Airport - Seattle/Tacoma Intl Airport, Buenos Aires Jorge Newbery Airport - Seattle/Tacoma Intl Airport and Buenos Aires Ministro Pistarini Airport - Portland Airport.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
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?

  • 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 AirlinesPriceFrom $1,058Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,130Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.4
8,900 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.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $39
Flights to Los Angelesfrom $37
Flights to Miamifrom $58
Flights to Chicagofrom $59
Flights to Orlandofrom $54
Flights to Las Vegasfrom $35
Flights to San Franciscofrom $49
Flights to Washington, D.C.from $49
Flights to Bostonfrom $77
Flights to Atlantafrom $29
Flights to Dallasfrom $55
Flights to Seattlefrom $93