CA $137 Cheap Flight to Ada County

View CA $137 flight on Tue, Jun 2, 2026Opens in a new window

Popular airlines to Ada County

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Air Canada

  • Frontier Airlines

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How much is the cheapest flight to Ada County?

Prices were available within the past 7 days and start at CA $137 for one-way flights and CA $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 2 - Sat, Jun 6
SEA
Seattle
BOI
Boise
CA $219 Roundtrip, found 6 hours ago
CA $219
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Boise, returning Sat, Jun 6, priced at CA $219 found 6 hours ago
Alaska Airlines
Wed, Jun 3 - Mon, Jun 8
LAS
Las Vegas
BOI
Boise
CA $275 Roundtrip, found 6 hours ago
CA $275
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, Jun 3 from Las Vegas to Boise, returning Mon, Jun 8, priced at CA $275 found 6 hours ago
Sun Country Airlines
Thu, Jul 16 - Thu, Jul 23
MSP
Minneapolis
BOI
Boise
CA $329 Roundtrip, found 13 hours ago
CA $329
Roundtrip
found 13 hours ago
Select Sun Country Airlines flight, departing Thu, Jul 16 from Minneapolis to Boise, returning Thu, Jul 23, priced at CA $329 found 13 hours ago
United
Wed, Sep 16 - Tue, Oct 6
YEG
Edmonton
BOI
Boise
CA $358 Roundtrip, found 4 days ago
CA $358
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 16 from Edmonton to Boise, returning Tue, Oct 6, priced at CA $358 found 4 days ago
American Airlines
Fri, Apr 17 - Fri, Apr 24
YYZ
Toronto
BOI
Boise
CA $402 Roundtrip, found 6 days ago
CA $402
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Apr 17 from Toronto to Boise, returning Fri, Apr 24, priced at CA $402 found 6 days ago
Alaska Airlines
Tue, May 12 - Sat, May 16
BLI
Bellingham
BOI
Boise
CA $421 Roundtrip, found 13 hours ago
CA $421
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Tue, May 12 from Bellingham to Boise, returning Sat, May 16, priced at CA $421 found 13 hours ago
United
Wed, Apr 22 - Sat, Apr 25
YOW
Ottawa
BOI
Boise
CA $425 Roundtrip, found 3 days ago
CA $425
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 22 from Ottawa to Boise, returning Sat, Apr 25, priced at CA $425 found 3 days ago
United
Sat, Apr 25 - Sat, May 9
YWG
Winnipeg
BOI
Boise
CA $428 Roundtrip, found 3 days ago
CA $428
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 25 from Winnipeg to Boise, returning Sat, May 9, priced at CA $428 found 3 days ago
United
Fri, Apr 17 - Tue, Apr 21
YYC
Calgary
BOI
Boise
CA $449 Roundtrip, found 6 days ago
CA $449
Roundtrip
found 6 days ago
Select United flight, departing Fri, Apr 17 from Calgary to Boise, returning Tue, Apr 21, priced at CA $449 found 6 days ago
Delta
Fri, Jun 5 - Sun, Jun 7
YVR
Vancouver
BOI
Boise
CA $450 Roundtrip, found 6 days ago
CA $450
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jun 5 from Vancouver to Boise, returning Sun, Jun 7, priced at CA $450 found 6 days ago

Trending flights to Ada County

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.

United
Wed, Sep 16 - Tue, Oct 6
YEG
Edmonton
BOI
Boise
CA $358 Roundtrip, found 4 days ago
CA $358
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 16 from Edmonton to Boise, returning Tue, Oct 6, priced at CA $358 found 4 days ago

Frequently asked questions

How do I find cheap flights to Ada County that have flexible change policies?
At Expedia, we've been channeling our inner gymnast to give you the most flexible airfares on the market. Simply mark the "No change fee" box directly beneath the filter subheading "Flexible change policies" to find your dream flight to Ada County.
Which airlines fly to Ada County?
Lock in a seat with one of these airlines and Ada County will be all yours to explore:

  • Alaska Airlines - 810 flights to or near Ada County each month, including 810 flights to Boise Airport (BOI) per month.
  • Delta - 442 flights to or near Ada County each month, including 442 flights to Boise Airport (BOI) per month.
  • Southwest Airlines - 398 flights to or near Ada County each month, including 398 flights to Boise Airport (BOI) per month.

How can I find cheap tickets to Ada County?
In the last seven days, CA $219 was the lowest price for a flight to Ada County. For even bigger savings, book ahead of time and be flexible with your dates. Search for your journey to Ada County, then check out prices for nearby days by clicking on our "flexible dates" link.
How much is a flight to Ada County?
The cost of a round-trip airfare to Ada County in the last seven days varied between CA $219 and CA $450. If you were journeying one way out of Seattle (SEA), you could have landed a cheap fare from just CA $137.
What are the most popular airports to fly into in Ada County?
Start planning your Ada County trip by booking one of the 2,232 flights each month to Boise Airport (BOI). This is the region's main point of entry.
When is the cheapest time to fly to Ada County?
Jet off on a Tuesday to better your chances of securing the cheapest fare to Ada County. Mondays are usually the next most affordable day to take off. Saturday is typically the costliest day to fly anywhere.
How much is a plane ticket to Ada County?
In the last seven days, plane fares to Ada County ranged from CA $219 to CA $450.
What months are the cheapest to book a flight to Ada County?
The perfect month to purchase low-cost flights to Ada County is February. It's worth noting that in the U.S, an expensive time to reserve a seat is during the busy month of December.

Travel information

Ada County Flights Information

Airlines serving
Delta, Alaska Airlines, Sun Country Airlines, United, American Airlines
Roundtrip price
from CA $219
Ada County Flights Information

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