Cheap flights from St. Regis starting at €149

View €149 flight on Fri, 8 May 2026Opens in a new window

Popular airlines from St. Regis

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • British Airways

  • KLM

  • Air France

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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
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€254 Return, found 1 day ago
€254
Return
found 1 day ago
Select Delta flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €254 found 1 day ago
Delta
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€307 Return, found 1 day ago
€307
Return
found 1 day ago
Select Delta flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €307 found 1 day ago
Delta
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€318 Return, found 1 day ago
€318
Return
found 1 day ago
Select Delta flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €318 found 1 day ago
Delta
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€337 Return, found 1 day ago
€337
Return
found 1 day ago
Select Delta flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €337 found 1 day ago
Delta
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€370 Return, found 1 day ago
€370
Return
found 1 day ago
Select Delta flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €370 found 1 day ago
Delta
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€380 Return, found 1 day ago
€380
Return
found 1 day ago
Select Delta flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €380 found 1 day ago
Delta
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€401 Return, found 1 day ago
€401
Return
found 1 day ago
Select Delta flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €401 found 1 day ago
American Airlines
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€437 Return, found 1 day ago
€437
Return
found 1 day ago
Select American Airlines flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €437 found 1 day ago
American Airlines
Fri, 8 May - Sun, 10 May
MSO
Missoula
SEA
Seattle
€442 Return, found 1 day ago
€442
Return
found 1 day ago
Select American Airlines flight, departing Fri, 8 May from Missoula to Seattle, returning Sun, 10 May, priced at €442 found 1 day ago
United
Fri, 19 Jun - Sun, 21 Jun
MSO
Missoula
SFO
San Francisco
€489 Return, found 3 days ago
€489
Return
found 3 days ago
Select United flight, departing Fri, 19 Jun from Missoula to San Francisco, returning Sun, 21 Jun, priced at €489 found 3 days ago

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