Cheap flights from St. Regis starting at €144

View €144 flight on Sat, 18 Apr 2026Opens in a new window

Popular airlines from St. Regis

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • British Airways

  • Aeromexico

  • KLM

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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
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€322 Return, found 3 days ago
€322
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €322 found 3 days ago
Delta
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€356 Return, found 3 days ago
€356
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €356 found 3 days ago
Delta
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€393 Return, found 3 days ago
€393
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €393 found 3 days ago
Delta
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€424 Return, found 3 days ago
€424
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €424 found 3 days ago
American Airlines
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€427 Return, found 3 days ago
€427
Return
found 3 days ago
Select American Airlines flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €427 found 3 days ago
American Airlines
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€438 Return, found 3 days ago
€438
Return
found 3 days ago
Select American Airlines flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €438 found 3 days ago
Delta
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€458 Return, found 3 days ago
€458
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €458 found 3 days ago
Delta
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€492 Return, found 3 days ago
€492
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €492 found 3 days ago
Delta
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€509 Return, found 3 days ago
€509
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €509 found 3 days ago
United
Sat, 18 Apr - Sun, 19 Apr
MSO
Missoula
SEA
Seattle
€893 Return, found 3 days ago
€893
Return
found 3 days ago
Select United flight, departing Sat, 18 Apr from Missoula to Seattle, returning Sun, 19 Apr, priced at €893 found 3 days ago

Travel information

Flights from St. Regis: Essential Travel Information

Cheapest flight from St. Regis
€322 (roundtrip)
Best airlines to fly from St. Regis
Delta, United, American Airlines
Cheapest month to fly from St. Regis
April
St. Regis IATA code
MSO
St. Regis Country/State
Montana
Airline ticket deals from St. Regis
€322 - €893

 

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