Cheap flights from Washington to Northern Idaho

View AU$379 flight on Fri, 15 Aug. 2025Opens in a new window

Popular airlines from Washington to Northern Idaho

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Washington (WAS) to Northern Idaho (GEG)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 15 Aug. - Mon, 18 Aug.
DCA
Washington
MSO
Missoula
AU$638 Return, found 2 days ago
AU$638
Return
found 2 days ago
Select American Airlines flight, departing Fri, 15 Aug. from Washington to Missoula, returning Mon, 18 Aug., priced at AU$638 found 2 days ago
Alaska Airlines
Fri, 15 Aug. - Tue, 19 Aug.
IAD
Washington
MSO
Missoula
AU$706 Return, found 2 days ago
AU$706
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 15 Aug. from Washington to Missoula, returning Tue, 19 Aug., priced at AU$706 found 2 days ago
Delta
Fri, 15 Aug. - Mon, 18 Aug.
DCA
Washington
MSO
Missoula
AU$707 Return, found 2 days ago
AU$707
Return
found 2 days ago
Select Delta flight, departing Fri, 15 Aug. from Washington to Missoula, returning Mon, 18 Aug., priced at AU$707 found 2 days ago
American Airlines
Fri, 15 Aug. - Mon, 18 Aug.
DCA
Washington
MSO
Missoula
AU$712 Return, found 2 days ago
AU$712
Return
found 2 days ago
Select American Airlines flight, departing Fri, 15 Aug. from Washington to Missoula, returning Mon, 18 Aug., priced at AU$712 found 2 days ago
Delta
Fri, 15 Aug. - Tue, 19 Aug.
IAD
Washington
MSO
Missoula
AU$722 Return, found 2 days ago
AU$722
Return
found 2 days ago
Select Delta flight, departing Fri, 15 Aug. from Washington to Missoula, returning Tue, 19 Aug., priced at AU$722 found 2 days ago
United
Fri, 15 Aug. - Mon, 18 Aug.
DCA
Washington
MSO
Missoula
AU$774 Return, found 2 days ago
AU$774
Return
found 2 days ago
Select United flight, departing Fri, 15 Aug. from Washington to Missoula, returning Mon, 18 Aug., priced at AU$774 found 2 days ago
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