$778 Cheap Flights from Seattle (SEA) to Tucuman (TUC)

View $778 flight on Sat, Dec 13, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Tucuman (TUC-Teniente General Benjamin Matienzo Intl.)

Cheap Flights from Seattle to Tucuman (SEA-TUC)

Prices were available within the past 7 days and start at $778 for one-way flights and $1,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Dec 14 - Wed, Dec 24
SEA
Seattle
TUC
Tucuman
$1,080 Roundtrip, found 6 days ago
$1,080
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 14 from Seattle to Tucuman, returning Wed, Dec 24, priced at $1,080 found 6 days ago
United
Sun, Dec 14 - Thu, Dec 25
SEA
Seattle
TUC
Tucuman
$1,105 Roundtrip, found 6 days ago
$1,105
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 14 from Seattle to Tucuman, returning Thu, Dec 25, priced at $1,105 found 6 days ago
United
Tue, Jan 6 - Thu, Jan 22
SEA
Seattle
TUC
Tucuman
$1,116 Roundtrip, found 1 hour ago
$1,116
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Jan 6 from Seattle to Tucuman, returning Thu, Jan 22, priced at $1,116 found 1 hour ago
United
Sun, Dec 14 - Tue, Dec 23
SEA
Seattle
TUC
Tucuman
$1,130 Roundtrip, found 6 days ago
$1,130
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 14 from Seattle to Tucuman, returning Tue, Dec 23, priced at $1,130 found 6 days ago
United
Sun, Jan 4 - Thu, Jan 22
SEA
Seattle
TUC
Tucuman
$1,130 Roundtrip, found 1 hour ago
$1,130
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Jan 4 from Seattle to Tucuman, returning Thu, Jan 22, priced at $1,130 found 1 hour ago
Hawaiian Airlines
Mon, Nov 17 - Thu, Dec 4
SEA
Seattle
TUC
Tucuman
$1,132 Roundtrip, found 1 hour ago
$1,132
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Mon, Nov 17 from Seattle to Tucuman, returning Thu, Dec 4, priced at $1,132 found 1 hour ago
United
Tue, Apr 21 - Thu, Apr 30
SEA
Seattle
TUC
Tucuman
$1,141 Roundtrip, found 3 days ago
$1,141
Roundtrip
found 3 days ago
Select United flight, departing Tue, Apr 21 from Seattle to Tucuman, returning Thu, Apr 30, priced at $1,141 found 3 days ago
Alaska Airlines
Tue, Dec 9 - Tue, Dec 23
SEA
Seattle
TUC
Tucuman
$1,232 Roundtrip, found 1 hour ago
$1,232
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Seattle to Tucuman, returning Tue, Dec 23, priced at $1,232 found 1 hour ago
LATAM Airlines Group
Sun, Apr 19 - Wed, Apr 29
SEA
Seattle
TUC
Tucuman
$1,324 Roundtrip, found 3 days ago
$1,324
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sun, Apr 19 from Seattle to Tucuman, returning Wed, Apr 29, priced at $1,324 found 3 days ago
Copa
Fri, Dec 12 - Tue, Dec 30
SEA
Seattle
TUC
Tucuman
$2,755 Roundtrip, found 1 hour ago
$2,755
Roundtrip
found 1 hour ago
Select Copa flight, departing Fri, Dec 12 from Seattle to Tucuman, returning Tue, Dec 30, priced at $2,755 found 1 hour ago

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Teniente General Benjamin Matienzo Intl. Airport (TUC) cost?
Lock in a cheap one-way flight from $778 or cheap return flight from $1,080 from Seattle - Tacoma Intl. Airport (SEA) to Teniente General Benjamin Matienzo Intl. Airport (TUC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Teniente General Benjamin Matienzo Intl. Airport (TUC)?
December is the most affordable month to fly from SEA to TUC. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Teniente General Benjamin Matienzo Intl. Airport (TUC)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to TUC flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Teniente General Benjamin Matienzo Intl. Airport (TUC)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Teniente General Benjamin Matienzo Intl. Airport (TUC) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to TUC?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Teniente General Benjamin Matienzo Intl. Airport (TUC)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to Teniente General Benjamin Matienzo Intl. Airport (TUC) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Teniente General Benjamin Matienzo Intl. Airport (TUC) last-minute?
Waiting until just before your departure to book a flight from SEA to TUC often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a SEA to TUC flight and hotel package?
Securing a SEA to TUC flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of stays and then add activities, car rentals and flights 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 Teniente General Benjamin Matienzo Intl. Airport (TUC)?
If you reserved your SEA to TUC flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Teniente General Benjamin Matienzo Intl.
Roundtrip price
$1,079
Distance
6240 mi

Book with confidence

Seattle to Tucuman Flights

The cheapest times to fly from Seattle to Tucuman

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 Tucuman are during the month of December. You can find some of the cheapest flights from Seattle to Tucuman with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Tucuman

Sunday is one of the best days to book for cheap flights from Seattle to Tucuman: 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 Tucuman

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 Tucuman in 2025. You can also book with separate airlines for your outbound and return journeys, from $778 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 Tucuman 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 Tucuman 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.

 

Seattle to Tucuman Flights

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*Available to One Key members.