Cheap Frontier Airlines flights from Seattle to Boise (SEA to BOI)

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BOI From SEA Economy Coach Packages on Similar Airlines

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Layover Inn Boise Airport
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Discover our best Frontier Airlines flight from Seattle SEA to Boise BOI 

To find the best deals on flights to Seattle from Boise with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Boise BOI with Frontier Airlines 

If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Frontier Airlines flights from Seattle SEA to Boise BOI 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from Seattle to Boise costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Boise BOI from  Seattle SEA with Frontier Airlines 

To find a cheap Frontier Airlines flight from Seattle SEA to Boise BOI, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Frontier Airlines flights from Seattle SEA to Boise BOI 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Boise BOI with Frontier Airlines 

If you’re keen to be on Boise soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Frontier Airlines flights from Seattle SEA to Boise BOI 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Boise BOI from  Seattle SEA with Frontier Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
MEXMEXMexico City Intl.1
LASUSAMcCarran Intl.1
LAXUSALos Angeles Intl.1

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Layover Inn Boise Airport

Layover Inn Boise Airport

2.5 out of 5
2799 W Airport Way Boise ID
Free self parking is available and the hotel's front desk is staffed around-the-clock. A free airport shuttle is offered as well. Laundry facilities are provided ...
Layover Inn Boise Airport
Best Western Vista Inn At The Airport

Best Western Vista Inn At The Airport

2.5 out of 5
2645 W Airport Way Boise ID
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
8.4/10 Very Good! (1,001 reviews)
The room was clean albeit a little outdated. We slept well, the area was convenient & quiet & we enjoyed the breakfast immensely.

Reviewed on Mar 24, 2026

Best Western Vista Inn At The Airport
Holiday Inn Express & Suites Boise Airport by IHG

Holiday Inn Express & Suites Boise Airport by IHG

2.5 out of 5
3050 S Shoshone Boise ID
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the business center and free WiFi in public areas. Guests will appreciate ...
8.8/10 Excellent! (1,002 reviews)
The free breakfast was above average with lots of variety.

Reviewed on Mar 27, 2026

Holiday Inn Express & Suites Boise Airport by IHG
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.