The cheapest times to fly from SEA to TUC are

  • January 8th to March 18th
  • August 6th to September 30th
  • October 29th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to TUC is mid November. Prices can be as high as $6818 for Tuesday flights during mid December, or as low as $1401 for Saturday flights around mid November.


When to Fly to San Miguel de Tucumán

Flying from Seattle, WA (SEA) to Tucuman (TUC) will usually cost between $1764 to $3447 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $2286. Due to high demand the most expensive time to fly is mid December, with an average price of $3153. Planning your trip to low-cost times can easily save you $867 on economy flights and even more on first-class flights. Generally, any price below $2686 can be considered a good price for a round-trip SEA to TUC flight.

See below for a graph of average weekly prices for the SEA to TUC route. All prices are for round-trip tickets in USD.

SEA to TUC Flight Prices

Compared to other flights, the SEA to TUC flight is more expensive than the average and costs more than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.27, which is below average.


Flight Prices by Day of the Week

Saturday is usually the cheapest day to depart and return on this flight. Tuesdays are the most expensive days to fly to San Miguel de Tucumán, and Sundays are the most expensive days to return to Seattle. Selecting flights on the least expensive days could save you up to $1287 (39%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Saturday and returning a week later will cost an average of $1988. Return trip prices are from the TUC to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to TUC can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 12 minutes may not be realistic.


Flight Hacking SEA to TUC

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to TUC — but Champion Traveler does!

Hack #1: Lima (SEA > LIM > TUC)

  • Price for both tickets: $1248
  • Average savings: $1438 (53.55%)

See SEA to LIM flights

Hack #2: Los Angeles, CA (SEA > LAX > TUC)

  • Price for both tickets: $1299
  • Average savings: $1387 (51.63%)

See SEA to LAX flights

Hack #3: Ezeiza (SEA > EZE > TUC)

  • Price for both tickets: $1325
  • Average savings: $1361 (50.66%)

See SEA to EZE flights


Flight Questions Answered

Still have questions about flying from SEA to TUC? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Aerolineas Argentinas, Aeromexico, Alaska, American, Avianca, Delta, LATAM, United, and potentially more during busy seasons.

How far away is it from Tucuman Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 6237 miles or 10037 kilometers.

How long does it take to fly from SEA to TUC?

The real-world flight time for a nonstop SEA to TUC flight is about 12 hour 12 minutes.

How many flights go between Seattle, WA and Tucuman?

It depends on the day of the week and the date, but a typical day might have around 18 available flights from SEA to TUC.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code TUC
Destination airport name Tucuman Airport
City Tucuman
Country Argentina
Latitude -26.8
Longitude -65.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.