The cheapest times to fly from MSO to SAL are

  • January 8th to February 25th (except the weeks of January 15th and February 5th)
  • May 28th to July 15th
  • August 27th to November 18th (except the week of October 8th)

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 MSO to SAL is late October to early November. Prices can be as high as $1514 for Saturday flights during mid December, or as low as $858 for Tuesday flights around late October to early November.


When to Fly to San Salvador

Flying from Missoula, MT (MSO) to San Salvador (SAL) will usually cost between $876 to $1054 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $886. Due to high demand the most expensive time to fly is mid December, with an average price of $1122. Planning your trip to low-cost times can easily save you $236 on economy flights and even more on first-class flights. Generally, any price below $898 can be considered a good price for a round-trip MSO to SAL flight.

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

MSO to SAL Flight Prices

Compared to other flights, the MSO to SAL flight is cheaper than the average and costs slightly more than the average flight leaving from Missoula. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to San Salvador, and Fridays are the most expensive days to return to Missoula. Selecting flights on the least expensive days could save you up to $65 (5%) 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 $884. Return trip prices are from the SAL to MSO 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 MSO to SAL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 54 minutes may not be realistic.


Flight Hacking MSO to SAL

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 MSO to SAL — but Champion Traveler does!

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

  • Price for both tickets: $686
  • Average savings: $212 (23.57%)

See MSO to LAX flights

Hack #2: Las Vegas, NV (MSO > LAS > SAL)

  • Price for both tickets: $740
  • Average savings: $158 (17.6%)

See MSO to LAS flights

Hack #3: Sacramento, CA (MSO > SMF > SAL)

  • Price for both tickets: $808
  • Average savings: $90 (9.97%)

See MSO to SMF flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Aeromexico, American, Avianca, COPA, Delta, United, Virgin Atlantic, and potentially more during busy seasons.

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

The distance between the two airports is roughly 2728 miles or 4390 kilometers.

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

The real-world flight time for a nonstop MSO to SAL flight is about 5 hour 54 minutes.

How many flights go between Missoula, MT and San Salvador?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from MSO to SAL.


Airport Location Info


Departing Airport

Origination code MSO
Origination airport name Missoula International Airport
City Missoula, MT
Country the United States
Latitude 46.9
Longitude -114.1

Return Airport

Destination code SAL
Destination airport name Msgr Oscar A Romero and Galdamez International Airport
City San Salvador
Country El Salvador
Latitude 13.4
Longitude -89.1


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.