Ada County Flights - Book Cheap Flights to Ada County

View RM511 flight on Wed, 19 Aug 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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Cheap round-trip flights to Ada County

Prices were available within the past 7 days and start at RM511 for one-way flights and RM1,180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 6 Jul - Mon, 13 Jul
SEA
Seattle
BOI
Boise
RM1,180 Return, found 4 days ago
RM1,180
Return
found 4 days ago
Select Delta flight, departing Mon, 6 Jul from Seattle to Boise, returning Mon, 13 Jul, priced at RM1,180 found 4 days ago
Delta
Wed, 10 Jun - Sun, 14 Jun
SEA
Seattle
BOI
Boise
RM1,457 Return, found 1 day ago
RM1,457
Return
found 1 day ago
Select Delta flight, departing Wed, 10 Jun from Seattle to Boise, returning Sun, 14 Jun, priced at RM1,457 found 1 day ago
Delta
Mon, 6 Jul - Mon, 13 Jul
SEA
Seattle
BOI
Boise
RM1,497 Return, found 4 days ago
RM1,497
Return
found 4 days ago
Select Delta flight, departing Mon, 6 Jul from Seattle to Boise, returning Mon, 13 Jul, priced at RM1,497 found 4 days ago
Delta
Mon, 6 Jul - Mon, 13 Jul
SEA
Seattle
BOI
Boise
RM1,556 Return, found 4 days ago
RM1,556
Return
found 4 days ago
Select Delta flight, departing Mon, 6 Jul from Seattle to Boise, returning Mon, 13 Jul, priced at RM1,556 found 4 days ago
Delta
Wed, 10 Jun - Sun, 14 Jun
SEA
Seattle
BOI
Boise
RM1,561 Return, found 1 day ago
RM1,561
Return
found 1 day ago
Select Delta flight, departing Wed, 10 Jun from Seattle to Boise, returning Sun, 14 Jun, priced at RM1,561 found 1 day ago
Delta
Mon, 6 Jul - Mon, 13 Jul
SEA
Seattle
BOI
Boise
RM1,597 Return, found 4 days ago
RM1,597
Return
found 4 days ago
Select Delta flight, departing Mon, 6 Jul from Seattle to Boise, returning Mon, 13 Jul, priced at RM1,597 found 4 days ago
United
Wed, 10 Jun - Sun, 14 Jun
SEA
Seattle
BOI
Boise
RM1,874 Return, found 1 day ago
RM1,874
Return
found 1 day ago
Select United flight, departing Wed, 10 Jun from Seattle to Boise, returning Sun, 14 Jun, priced at RM1,874 found 1 day ago
American Airlines
Wed, 10 Jun - Sun, 14 Jun
SEA
Seattle
BOI
Boise
RM3,138 Return, found 1 day ago
RM3,138
Return
found 1 day ago
Select American Airlines flight, departing Wed, 10 Jun from Seattle to Boise, returning Sun, 14 Jun, priced at RM3,138 found 1 day ago
China Airlines
Mon, 7 Sept - Tue, 15 Sept
KUL
Kuala Lumpur
BOI
Boise
RM4,952 Return, found 2 days ago
RM4,952
Return
found 2 days ago
Select China Airlines flight, departing Mon, 7 Sept from Kuala Lumpur to Boise, returning Tue, 15 Sept, priced at RM4,952 found 2 days ago
STARLUX Airlines
Mon, 7 Sept - Tue, 15 Sept
KUL
Kuala Lumpur
BOI
Boise
RM5,740 Return, found 2 days ago
RM5,740
Return
found 2 days ago
Select STARLUX Airlines flight, departing Mon, 7 Sept from Kuala Lumpur to Boise, returning Tue, 15 Sept, priced at RM5,740 found 2 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.

China Airlines
Mon, 7 Sept - Tue, 15 Sept
KUL
Kuala Lumpur
BOI
Boise
RM4,952 Return, found 2 days ago
RM4,952
Return
found 2 days ago
Select China Airlines flight, departing Mon, 7 Sept from Kuala Lumpur to Boise, returning Tue, 15 Sept, priced at RM4,952 found 2 days ago

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, RM1,180 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 RM1,180 and peaked at RM5,740. For one-way trips out of Seattle (SEA), the lowest price during this time was RM511.
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.
How much is a plane ticket to Ada County?
In the last seven days, tickets to Ada County varied between RM1,180 and RM5,740. 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

About Ada County

Expedia offers flights to Ada County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Ada County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Ada County
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