The cheapest times to fly from SAL to SEA are

  • January 8th to February 4th
  • May 14th to December 2nd (except the weeks of May 21st, June 4th, June 18th, July 9th, and July 23rd)

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 SAL to SEA is early September. Prices can be as high as $1579 for Friday flights during early to mid December, or as low as $517 for Tuesday flights around early September.


When to Fly to Seattle

Flying from San Salvador (SAL) to Seattle, WA (SEA) will usually cost between $590 to $1011 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $601. Due to high demand the most expensive time to fly is early to mid December, with an average price of $1105. Planning your trip to low-cost times can easily save you $504 on economy flights and even more on first-class flights. Generally, any price below $905 can be considered a good price for a round-trip SAL to SEA flight.

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

SAL to SEA Flight Prices

Compared to other flights, the SAL to SEA flight is priced close to the average and costs less than the average flight leaving from San Salvador. The average price per mile (for a direct flight) is $0.19, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $88 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $809. Return trip prices are from the SEA to SAL 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 SAL to SEA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 26 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SAL to SEA while comparing.

Destination alternative #1: Vancouver International Airport (YVR) in Vancouver

  • 127 miles (204 km) away from SEA
  • Usually 21.10% less expensive than SEA
  • 1-layover flights available

See SAL to YVR flights


Flight Hacking SAL to SEA

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 SAL to SEA — but Champion Traveler does!

Hack #1: Los Angeles, CA (SAL > LAX > SEA)

  • Price for both tickets: $606
  • Average savings: $299 (33.04%)

See SAL to MEX flights

Hack #2: Mexico City (SAL > MEX > SEA)

  • Price for both tickets: $635
  • Average savings: $270 (29.83%)

See SAL to LAX flights

Hack #3: Las Vegas, NV (SAL > LAS > SEA)

  • Price for both tickets: $658
  • Average savings: $247 (27.29%)

See SAL to LAS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aeromexico, Air Canada, Alaska, American, Avianca, Avianca El Salvador, COPA, Delta, JetBlue, Spirit, Turkish Airlines, United, Volaris, and potentially more during busy seasons.

How far away is it from Seattle/Tacoma International Airport to Msgr Oscar A Romero and Galdamez International Airport?

The distance between the two airports is roughly 3029 miles or 4875 kilometers.

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

The real-world flight time for a nonstop SAL to SEA flight is about 6 hour 26 minutes.

How many flights go between San Salvador and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 59 available flights from SAL to SEA.


Airport Location Info


Departing Airport

Origination codeSAL
Origination airport nameMsgr Oscar A Romero and Galdamez International Airport
CitySan Salvador
CountryEl Salvador

Return Airport

Destination codeSEA
Destination airport nameSeattle/Tacoma International Airport
CitySeattle, WA
Countrythe United States


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.