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Cheap Flights to Ada County | Popular Routes to Ada County from HK$781

View HK$781 flight on Sat, 7 Nov 2026Opens in a new window

Popular airlines to Ada County

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  • 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 HK$781 for one-way flights and HK$1,787 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 7 Nov - Sun, 15 Nov
STS
Santa Rosa
BOI
Boise
HK$1,787 Return, found 1 day ago
HK$1,787
Return
found 1 day ago
Select Delta flight, departing Sat, 7 Nov from Santa Rosa to Boise, returning Sun, 15 Nov, priced at HK$1,787 found 1 day ago
Delta
Sun, 1 Nov - Sat, 7 Nov
STS
Santa Rosa
BOI
Boise
HK$2,024 Return, found 11 hours ago
HK$2,024
Return
found 11 hours ago
Select Delta flight, departing Sun, 1 Nov from Santa Rosa to Boise, returning Sat, 7 Nov, priced at HK$2,024 found 11 hours ago
Delta
Sat, 7 Nov - Sun, 15 Nov
STS
Santa Rosa
BOI
Boise
HK$2,067 Return, found 1 day ago
HK$2,067
Return
found 1 day ago
Select Delta flight, departing Sat, 7 Nov from Santa Rosa to Boise, returning Sun, 15 Nov, priced at HK$2,067 found 1 day ago
American Airlines
Sat, 29 Aug - Tue, 1 Sept
STS
Santa Rosa
BOI
Boise
HK$2,099 Return, found 2 days ago
HK$2,099
Return
found 2 days ago
Select American Airlines flight, departing Sat, 29 Aug from Santa Rosa to Boise, returning Tue, 1 Sept, priced at HK$2,099 found 2 days ago
American Airlines
Sat, 29 Aug - Tue, 1 Sept
STS
Santa Rosa
BOI
Boise
HK$2,239 Return, found 2 days ago
HK$2,239
Return
found 2 days ago
Select American Airlines flight, departing Sat, 29 Aug from Santa Rosa to Boise, returning Tue, 1 Sept, priced at HK$2,239 found 2 days ago
Delta
Sat, 7 Nov - Sun, 15 Nov
STS
Santa Rosa
BOI
Boise
HK$2,303 Return, found 1 day ago
HK$2,303
Return
found 1 day ago
Select Delta flight, departing Sat, 7 Nov from Santa Rosa to Boise, returning Sun, 15 Nov, priced at HK$2,303 found 1 day ago
Delta
Sat, 7 Nov - Sun, 15 Nov
STS
Santa Rosa
BOI
Boise
HK$2,304 Return, found 1 day ago
HK$2,304
Return
found 1 day ago
Select Delta flight, departing Sat, 7 Nov from Santa Rosa to Boise, returning Sun, 15 Nov, priced at HK$2,304 found 1 day ago
Delta
Sat, 7 Nov - Sun, 15 Nov
STS
Santa Rosa
BOI
Boise
HK$2,335 Return, found 1 day ago
HK$2,335
Return
found 1 day ago
Select Delta flight, departing Sat, 7 Nov from Santa Rosa to Boise, returning Sun, 15 Nov, priced at HK$2,335 found 1 day ago
American Airlines
Sat, 29 Aug - Tue, 1 Sept
STS
Santa Rosa
BOI
Boise
HK$2,368 Return, found 2 days ago
HK$2,368
Return
found 2 days ago
Select American Airlines flight, departing Sat, 29 Aug from Santa Rosa to Boise, returning Tue, 1 Sept, priced at HK$2,368 found 2 days ago
Delta
Sun, 1 Nov - Sat, 7 Nov
STS
Santa Rosa
BOI
Boise
HK$2,411 Return, found 11 hours ago
HK$2,411
Return
found 11 hours ago
Select Delta flight, departing Sun, 1 Nov from Santa Rosa to Boise, returning Sat, 7 Nov, priced at HK$2,411 found 11 hours 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, HK$1,787 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 HK$1,787 and peaked at HK$2,411. For one-way trips out of Santa Rosa (STS), the lowest price during this time was HK$781.
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 HK$1,787 and HK$2,411. 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

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About Ada County
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