Cheap Flights to Ada County from $33

Popular airlines to Ada County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Top Cities to Visit in Ada County

Boise featuring fall colors and a park
FlightsFlights

Boise

Boise

How much is the cheapest flight to Ada County?

Prices were available within the past 7 days and start at $33 for one-way flights and $59 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 11 - Sat, Dec 20
DEN
Denver
BOI
Boise
$60 Roundtrip, found 11 hours ago
$60
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Denver to Boise, returning Sat, Dec 20, priced at $60 found 11 hours ago
Frontier Airlines
Sun, Feb 1 - Thu, Feb 5
DEN
Denver
BOI
Boise
$66 Roundtrip, found 2 hours ago
$66
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Feb 1 from Denver to Boise, returning Thu, Feb 5, priced at $66 found 2 hours ago
Delta
Fri, Jan 30 - Sun, Feb 1
SEA
Seattle
BOI
Boise
$99 Roundtrip, just found
$99
Roundtrip
just found
Select Delta flight, departing Fri, Jan 30 from Seattle to Boise, returning Sun, Feb 1, priced at $99 just found
Frontier Airlines
Thu, Jan 29 - Thu, Feb 5
PHX
Phoenix
BOI
Boise
$110 Roundtrip, found 1 hour ago
$110
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Jan 29 from Phoenix to Boise, returning Thu, Feb 5, priced at $110 found 1 hour ago
Frontier Airlines
Thu, Jan 8 - Mon, Jan 12
MSP
Minneapolis
BOI
Boise
$110 Roundtrip, found 11 hours ago
$110
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Minneapolis to Boise, returning Mon, Jan 12, priced at $110 found 11 hours ago
Frontier Airlines
Wed, Jan 14 - Thu, Jan 22
SFO
San Francisco
BOI
Boise
$120 Roundtrip, found 16 hours ago
$120
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Wed, Jan 14 from San Francisco to Boise, returning Thu, Jan 22, priced at $120 found 16 hours ago
Frontier Airlines
Thu, Jan 8 - Thu, Jan 15
SMF
Sacramento
BOI
Boise
$120 Roundtrip, found 8 hours ago
$120
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Sacramento to Boise, returning Thu, Jan 15, priced at $120 found 8 hours ago
Alaska Airlines
Tue, Jan 13 - Thu, Jan 15
SAN
San Diego
BOI
Boise
$124 Roundtrip, found 6 days ago
$124
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from San Diego to Boise, returning Thu, Jan 15, priced at $124 found 6 days ago
Hawaiian Airlines
Tue, Dec 16 - Tue, Jan 6
SMF
Sacramento
BOI
Boise
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 16 from Sacramento to Boise, returning Tue, Jan 6, priced at $137 found 3 hours ago
Southwest Airlines
Sat, Dec 6 - Wed, Dec 10
SMF
Sacramento
BOI
Boise
$137 Roundtrip, found 7 hours ago
$137
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Sacramento to Boise, returning Wed, Dec 10, priced at $137 found 7 hours ago

Airports in Ada County

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

Select flight to Boise Airport BOI. Cheapest option available. Flights from $425
BOI
Boise Airport
Cheapest
Flights from $425

Fargo Hector International Airport offers nonstop flights to cities across the US. From ski trips to golf getaways to a week on the beach, it's all within reach when you fly FAR.

Plan your trip and fly nonstop from Fargo to Atlanta, Chicago, Dallas, Denver, Las Vegas, Minneapolis/St. Paul, Nashville, and Phoenix-Mesa, with seasonal service to Orlando, Phoenix-Sky Harbor, and St. Pete–Clearwater.

Take advantage of our convenient new parking garage with affordable rates. Enjoy short lines, a simple terminal, and fast check-ins. From parking to boarding, it's smooth every step of the way.

Ada County Flights Information

Airlines serving
Frontier Airlines, Alaska Airlines, Southwest Airlines, Delta, American Airlines, Hawaiian Airlines
Roundtrip price
from $59

Trending flights to Ada County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Dec 20 - Sat, Dec 20
DEN
Denver
BOI
Boise
$59 Roundtrip, found 6 days ago
$59
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Dec 20 from Denver to Boise, returning Sat, Dec 20, priced at $59 found 6 days ago
*Available to One Key members.