Cheap flights from Seattle to Basque Block

View AU$121 flight on Wed, 27 Aug. 2025Opens in a new window

Popular airlines from Seattle to Basque Block

  • 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 Seattle (SEA) to Basque Block (BOI)

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.

Alaska Airlines
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
BOI
Boise
AU$179 Return, found 5 days ago
AU$179
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Seattle to Boise, returning Sat, 30 Aug., priced at AU$179 found 5 days ago
Alaska Airlines
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
BOI
Boise
AU$209 Return, found 5 days ago
AU$209
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Seattle to Boise, returning Sat, 30 Aug., priced at AU$209 found 5 days ago
Delta
Wed, 27 Aug. - Sun, 7 Sep.
SEA
Seattle
BOI
Boise
AU$210 Return, found 4 days ago
AU$210
Return
found 4 days ago
Select Delta flight, departing Wed, 27 Aug. from Seattle to Boise, returning Sun, 7 Sep., priced at AU$210 found 4 days ago
Alaska Airlines
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
BOI
Boise
AU$225 Return, found 5 days ago
AU$225
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Seattle to Boise, returning Sat, 30 Aug., priced at AU$225 found 5 days ago
Alaska Airlines
Wed, 27 Aug. - Sun, 7 Sep.
SEA
Seattle
BOI
Boise
AU$240 Return, found 4 days ago
AU$240
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 27 Aug. from Seattle to Boise, returning Sun, 7 Sep., priced at AU$240 found 4 days ago
United
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
BOI
Boise
AU$327 Return, found 5 days ago
AU$327
Return
found 5 days ago
Select United flight, departing Sat, 23 Aug. from Seattle to Boise, returning Sat, 30 Aug., priced at AU$327 found 5 days ago

Find the cheapest month to fly from Seattle (SEA) to Boise (BOI)

January is typically the cheapest month to fly

From AU$117 - AU$302 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.