$1,025 Cheap Flights from Seattle (SEA) to Ushuaia (USH)

View $1,025 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Ushuaia (USH-Malvinas Argentinas Intl.)

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Cheap Flights from Seattle to Ushuaia (SEA-USH)

Prices were available within the past 7 days and start at $1,025 for one-way flights and $1,372 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Mar 30 - Tue, Apr 14
SEA
Seattle
USH
Ushuaia
$1,372 Roundtrip, found 12 hours ago
$1,372
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Mar 30 from Seattle to Ushuaia, returning Tue, Apr 14, priced at $1,372 found 12 hours ago
United
Mon, Mar 30 - Tue, Apr 14
SEA
Seattle
USH
Ushuaia
$1,387 Roundtrip, found 12 hours ago
$1,387
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Mar 30 from Seattle to Ushuaia, returning Tue, Apr 14, priced at $1,387 found 12 hours ago
United
Wed, Nov 5 - Sun, Nov 23
SEA
Seattle
USH
Ushuaia
$1,412 Roundtrip, found 12 hours ago
$1,412
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Nov 5 from Seattle to Ushuaia, returning Sun, Nov 23, priced at $1,412 found 12 hours ago
United
Sat, Oct 4 - Tue, Oct 14
SEA
Seattle
USH
Ushuaia
$1,463 Roundtrip, found 6 days ago
$1,463
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 4 from Seattle to Ushuaia, returning Tue, Oct 14, priced at $1,463 found 6 days ago
United
Sat, Oct 4 - Mon, Oct 20
SEA
Seattle
USH
Ushuaia
$1,479 Roundtrip, found 6 days ago
$1,479
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 4 from Seattle to Ushuaia, returning Mon, Oct 20, priced at $1,479 found 6 days ago
United
Tue, Oct 7 - Thu, Oct 23
SEA
Seattle
USH
Ushuaia
$1,484 Roundtrip, found 6 days ago
$1,484
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 7 from Seattle to Ushuaia, returning Thu, Oct 23, priced at $1,484 found 6 days ago
United
Thu, Apr 2 - Tue, Apr 14
SEA
Seattle
USH
Ushuaia
$1,489 Roundtrip, found 12 hours ago
$1,489
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Apr 2 from Seattle to Ushuaia, returning Tue, Apr 14, priced at $1,489 found 12 hours ago
United
Sun, Oct 12 - Sun, Oct 19
SEA
Seattle
USH
Ushuaia
$1,504 Roundtrip, found 2 days ago
$1,504
Roundtrip
found 2 days ago
Select United flight, departing Sun, Oct 12 from Seattle to Ushuaia, returning Sun, Oct 19, priced at $1,504 found 2 days ago
United
Tue, Oct 7 - Fri, Oct 24
SEA
Seattle
USH
Ushuaia
$1,509 Roundtrip, found 6 days ago
$1,509
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 7 from Seattle to Ushuaia, returning Fri, Oct 24, priced at $1,509 found 6 days ago
Air Canada
Tue, Oct 21 - Sat, Nov 1
SEA
Seattle
USH
Ushuaia
$1,598 Roundtrip, found 22 hours ago
$1,598
Roundtrip
found 22 hours ago
Select Air Canada flight, departing Tue, Oct 21 from Seattle to Ushuaia, returning Sat, Nov 1, priced at $1,598 found 22 hours ago
Flights from Seattle (SEA) to Ushuaia (USH)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Malvinas Argentinas Intl.
Roundtrip price
$1,371
Distance
7732 mi

Seattle to Ushuaia Flights

The cheapest times to fly from Seattle to Ushuaia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Ushuaia are during the month of March. You can find some of the cheapest flights from Seattle to Ushuaia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Ushuaia

Sunday is one of the best days to book for cheap flights from Seattle to Ushuaia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Ushuaia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Ushuaia in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,025 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Ushuaia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Ushuaia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH) cost?
Snag a cheap one-way flight from $1,025 or cheap return flight from $1,372 from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH)?
Planning your trip for March is a good way to save, as it's the cheapest month for flights between SEA and USH. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from SEA to USH. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to USH?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH)?
To land at Malvinas Argentinas Intl. Airport (USH) on time, pick a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH) last-minute?
Last-minute bookings from SEA to USH are typically more expensive. For the best rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book a SEA to USH flight and hotel package?
Opting for a SEA to USH flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Malvinas Argentinas Intl. Airport (USH)?
In most cases, you can cancel or modify your SEA to USH flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.