S$164 Cheap Flights from Seattle to Boise

View S$164 flight on Mon, 8 Jun, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Boise Airport (BOI)

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Cheap Flights from Seattle to Boise (SEA-BOI)

Prices were available within the past 7 days and start at S$164 for one-way flights and S$360 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 5 Jun - Mon, 8 Jun
SEA
Seattle
BOI
Boise
S$360 Return, found 4 days ago
S$360
Return
found 4 days ago
Select Delta flight, departing Fri, 5 Jun from Seattle to Boise, returning Mon, 8 Jun, priced at S$360 found 4 days ago
United
Wed, 26 Aug - Wed, 23 Sept
SEA
Seattle
BOI
Boise
S$366 Return, found 4 days ago
S$366
Return
found 4 days ago
Select United flight, departing Wed, 26 Aug from Seattle to Boise, returning Wed, 23 Sept, priced at S$366 found 4 days ago
Delta
Mon, 6 Jul - Tue, 14 Jul
SEA
Seattle
BOI
Boise
S$381 Return, found 16 hours ago
S$381
Return
found 16 hours ago
Select Delta flight, departing Mon, 6 Jul from Seattle to Boise, returning Tue, 14 Jul, priced at S$381 found 16 hours ago
Delta
Mon, 27 Jul - Tue, 28 Jul
SEA
Seattle
BOI
Boise
S$413 Return, found 1 day ago
S$413
Return
found 1 day ago
Select Delta flight, departing Mon, 27 Jul from Seattle to Boise, returning Tue, 28 Jul, priced at S$413 found 1 day ago
Delta
Mon, 6 Jul - Tue, 14 Jul
SEA
Seattle
BOI
Boise
S$414 Return, found 16 hours ago
S$414
Return
found 16 hours ago
Select Delta flight, departing Mon, 6 Jul from Seattle to Boise, returning Tue, 14 Jul, priced at S$414 found 16 hours ago
Delta
Wed, 10 Jun - Wed, 24 Jun
SEA
Seattle
BOI
Boise
S$421 Return, found 2 days ago
S$421
Return
found 2 days ago
Select Delta flight, departing Wed, 10 Jun from Seattle to Boise, returning Wed, 24 Jun, priced at S$421 found 2 days ago
Delta
Thu, 11 Jun - Sun, 14 Jun
SEA
Seattle
BOI
Boise
S$426 Return, found 2 hours ago
S$426
Return
found 2 hours ago
Select Delta flight, departing Thu, 11 Jun from Seattle to Boise, returning Sun, 14 Jun, priced at S$426 found 2 hours ago
Delta
Fri, 5 Jun - Mon, 8 Jun
SEA
Seattle
BOI
Boise
S$430 Return, found 4 days ago
S$430
Return
found 4 days ago
Select Delta flight, departing Fri, 5 Jun from Seattle to Boise, returning Mon, 8 Jun, priced at S$430 found 4 days ago
Delta
Wed, 10 Jun - Wed, 24 Jun
SEA
Seattle
BOI
Boise
S$439 Return, found 2 days ago
S$439
Return
found 2 days ago
Select Delta flight, departing Wed, 10 Jun from Seattle to Boise, returning Wed, 24 Jun, priced at S$439 found 2 days ago
American Airlines
Sat, 6 Jun - Sun, 7 Jun
SEA
Seattle
BOI
Boise
S$781 Return, found 5 days ago
S$781
Return
found 5 days ago
Select American Airlines flight, departing Sat, 6 Jun from Seattle to Boise, returning Sun, 7 Jun, priced at S$781 found 5 days ago

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from S$360
BOI
Boise Airport
CheapestClosest
Average driving time to city centre8 min
Flights from S$360

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to BOI?
Pack your bags, because round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and BOI start from S$360. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to BOI?
The majority of flights can be cancelled online, but whether you incur a fee depends on your airline. If you do need to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to BOI that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Boise Airport (BOI) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to BOI?
It's only 640 kilometres between SEA and Boise Airport (BOI). Chances are you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from Sea-Tac Airport to Boise Airport (BOI)?
There are several airlines that fly directly from Seattle - Tacoma Intl. Airport (SEA) to Boise Airport (BOI). Alaska Airlines (AS) is a popular option, offering 321 flights every month. Another airline operating on this route is Delta Air Lines (DL). You'll have 182 flights each month to take your pick of.
Are Seattle - Tacoma Intl. Airport (SEA) to BOI flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute deals between SEA and Boise Airport are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest airfare bargains around, so check back often and be ready to pounce when the price is low.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Boise
Airlines serving
American Airlines, Delta, United
Return price
S$360
Distance
636 km
Average flight time
2 hours 30 mins

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Perfect flights from Seattle to Boise

Your Journey from Seattle to Boise

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seattle to Boise

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