Cheap flights from St. Regis starting at €131

View €131 flight on Wed, 24 Jun 2026Opens in a new window

Popular airlines from St. Regis

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • British Airways

  • KLM

  • Aeromexico

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from St. Regis

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 8 Feb - Fri, 19 Feb
MSO
Missoula
SEA
Seattle
€273 Return, found 18 hours ago
€273
Return
found 18 hours ago
Select Delta flight, departing Mon, 8 Feb from Missoula to Seattle, returning Fri, 19 Feb, priced at €273 found 18 hours ago
Delta
Mon, 8 Feb - Fri, 19 Feb
MSO
Missoula
SEA
Seattle
€300 Return, found 18 hours ago
€300
Return
found 18 hours ago
Select Delta flight, departing Mon, 8 Feb from Missoula to Seattle, returning Fri, 19 Feb, priced at €300 found 18 hours ago
American Airlines
Fri, 26 Jun - Sun, 5 Jul
MSO
Missoula
DFW
Dallas
€319 Return, found 5 days ago
€319
Return
found 5 days ago
Select American Airlines flight, departing Fri, 26 Jun from Missoula to Dallas, returning Sun, 5 Jul, priced at €319 found 5 days ago
American Airlines
Fri, 26 Jun - Sun, 5 Jul
MSO
Missoula
DFW
Dallas
€328 Return, found 5 days ago
€328
Return
found 5 days ago
Select American Airlines flight, departing Fri, 26 Jun from Missoula to Dallas, returning Sun, 5 Jul, priced at €328 found 5 days ago
Delta
Fri, 26 Jun - Sun, 5 Jul
MSO
Missoula
DFW
Dallas
€336 Return, found 5 days ago
€336
Return
found 5 days ago
Select Delta flight, departing Fri, 26 Jun from Missoula to Dallas, returning Sun, 5 Jul, priced at €336 found 5 days ago
Delta
Fri, 26 Jun - Sun, 5 Jul
MSO
Missoula
DFW
Dallas
€365 Return, found 5 days ago
€365
Return
found 5 days ago
Select Delta flight, departing Fri, 26 Jun from Missoula to Dallas, returning Sun, 5 Jul, priced at €365 found 5 days ago
American Airlines
Thu, 4 Jun - Sun, 7 Jun
MSO
Missoula
LAX
Los Angeles
€379 Return, found 10 hours ago
€379
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 4 Jun from Missoula to Los Angeles, returning Sun, 7 Jun, priced at €379 found 10 hours ago
American Airlines
Fri, 26 Jun - Sun, 5 Jul
MSO
Missoula
DFW
Dallas
€381 Return, found 5 days ago
€381
Return
found 5 days ago
Select American Airlines flight, departing Fri, 26 Jun from Missoula to Dallas, returning Sun, 5 Jul, priced at €381 found 5 days ago
Delta
Mon, 8 Feb - Fri, 19 Feb
MSO
Missoula
SEA
Seattle
€386 Return, found 18 hours ago
€386
Return
found 18 hours ago
Select Delta flight, departing Mon, 8 Feb from Missoula to Seattle, returning Fri, 19 Feb, priced at €386 found 18 hours ago
United
Thu, 4 Jun - Sun, 7 Jun
MSO
Missoula
LAX
Los Angeles
€457 Return, found 10 hours ago
€457
Return
found 10 hours ago
Select United flight, departing Thu, 4 Jun from Missoula to Los Angeles, returning Sun, 7 Jun, priced at €457 found 10 hours ago

Travel information

Flights from St. Regis: Essential Travel Information

Cheapest flight from St. Regis
€273 (roundtrip)
Best airlines to fly from St. Regis
Delta, American Airlines, United
Cheapest month to fly from St. Regis
February
St. Regis IATA code
MSO
St. Regis Country/State
Montana
Airline ticket deals from St. Regis
€273 - €457

 

Explore a world of travel with Expedia

*Available to Expedia members.