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Cheap Flights to Ada County

View AU$113 flight on Wed, 23 Sept 2026Opens in a new window

Popular airlines to Ada County

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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Cheapest Flights to Ada County

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
Alaska Airlines
Alaska Airlines
Delta
American Airlines
Alaska Airlines
Alaska Airlines
United
Air Canada
Air Canada

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.

Air Canada

Frequently asked questions

How do I find cheap flights to Ada County that have flexible change policies?
We know that travel arrangements can change from one day to the next, so locking in a flexible ticket with Expedia makes sense. Just check the "No change fee" box below the "Flexible change policies" filter. Your low-cost, flexible flight to Ada County is just a few clicks away.
Which airlines fly to Ada County?
When you're ready to reserve your airfare to or near Ada County, these quality carriers look forward to welcoming you aboard:
  • Alaska Airlines - 754 flights to or near Ada County each month, including 754 flights to Boise Airport (BOI) per month.
  • Delta Air Lines - 489 flights to or near Ada County each month, including 489 flights to Boise Airport (BOI) per month.
  • United Airlines - 303 flights to or near Ada County each month, including 303 flights to Boise Airport (BOI) per month.
How can I find cheap tickets to Ada County?
In the last seven days, AU$268 was the best price for a flight to Ada County. For even bigger savings, book ahead of time and be flexible with your travel dates. Search for your flight to Ada County, then see prices for similar time frames by clicking on our "flexible dates" link.
How much is a flight to Ada County?
In the last seven days, round-trip tickets to Ada County sold for as low as AU$268 and peaked at AU$1,223. For one-way trips out of Las Vegas (LAS), the lowest price during this time was AU$113.
What are the most popular airports to fly into in Ada County?
The number one gateway to Ada County, roughly 1 994 flights land at Boise Airport (BOI) each month. Find an awesome deal, lock in your seat and get set to soak up the best of this sensational region.
When is the cheapest time to fly to Ada County?
Jet off on a Tuesday to increase your chances of landing the cheapest deal to Ada County. Mondays are usually the second most affordable day to take off. Saturday is normally the costliest day to fly anywhere.
How much is a plane ticket to Ada County?
In the last seven days, tickets to Ada County varied between AU$268 and AU$1,223. Prices tend to go up over time, so snap up a good deal today.
What is the best time to go to Ada County?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a fabulous time to head to the major Ada County city of Boise. Average temperatures range between 16ºC and 27ºC throughout this season. The largest crowds can be found here in March, May and August.
What months are the cheapest to book a flight to Ada County?
The best month to purchase budget flights to Ada County is February. Remember that in the U.S, an expensive time to secure a seat is the festive month of December.

Book with confidence

Ada County Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Ada County today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your Ada County Airfare

At Expedia.com.au, it’s simple to find cheap flights to Ada County that won’t cause your wallet to flinch. Browse through our inventory of Ada County flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

Ada County Flights

Travel information

Ada County Flights Information

Airlines serving
Alaska Airlines, Delta, American Airlines, United, Qantas Airways, Air Canada
Roundtrip price
from AU$268
Ada County Flights Information
*Available to Expedia members.