Cheap Flights to Ada County | Popular Routes to Ada County from HK$1,555

View HK$1,555 flight on Thu, 5 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$1,555 for one-way flights and HK$2,948 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 5 Nov - Tue, 10 Nov
STS
Santa Rosa
BOI
Boise
HK$2,948 Return, found 12 hours ago
HK$2,948
Return
found 12 hours ago
Select Delta flight, departing Thu, 5 Nov from Santa Rosa to Boise, returning Tue, 10 Nov, priced at HK$2,948 found 12 hours ago
American Airlines
Thu, 5 Nov - Tue, 10 Nov
STS
Santa Rosa
BOI
Boise
HK$3,078 Return, found 12 hours ago
HK$3,078
Return
found 12 hours ago
Select American Airlines flight, departing Thu, 5 Nov from Santa Rosa to Boise, returning Tue, 10 Nov, priced at HK$3,078 found 12 hours ago
Delta
Thu, 5 Nov - Mon, 9 Nov
STS
Santa Rosa
BOI
Boise
HK$3,099 Return, found 2 days ago
HK$3,099
Return
found 2 days ago
Select Delta flight, departing Thu, 5 Nov from Santa Rosa to Boise, returning Mon, 9 Nov, priced at HK$3,099 found 2 days ago
Delta
Thu, 5 Nov - Tue, 10 Nov
STS
Santa Rosa
BOI
Boise
HK$3,153 Return, found 12 hours ago
HK$3,153
Return
found 12 hours ago
Select Delta flight, departing Thu, 5 Nov from Santa Rosa to Boise, returning Tue, 10 Nov, priced at HK$3,153 found 12 hours ago
Delta
Thu, 5 Nov - Tue, 10 Nov
STS
Santa Rosa
BOI
Boise
HK$3,218 Return, found 12 hours ago
HK$3,218
Return
found 12 hours ago
Select Delta flight, departing Thu, 5 Nov from Santa Rosa to Boise, returning Tue, 10 Nov, priced at HK$3,218 found 12 hours ago
Delta
Thu, 5 Nov - Tue, 10 Nov
STS
Santa Rosa
BOI
Boise
HK$3,228 Return, found 12 hours ago
HK$3,228
Return
found 12 hours ago
Select Delta flight, departing Thu, 5 Nov from Santa Rosa to Boise, returning Tue, 10 Nov, priced at HK$3,228 found 12 hours ago
Delta
Thu, 5 Nov - Tue, 10 Nov
STS
Santa Rosa
BOI
Boise
HK$3,260 Return, found 12 hours ago
HK$3,260
Return
found 12 hours ago
Select Delta flight, departing Thu, 5 Nov from Santa Rosa to Boise, returning Tue, 10 Nov, priced at HK$3,260 found 12 hours ago
STARLUX Airlines
Thu, 25 Jun - Sun, 12 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$8,044 Return, found 2 days ago
HK$8,044
Return
found 2 days ago
Select STARLUX Airlines flight, departing Thu, 25 Jun from Hong Kong SAR to Boise, returning Sun, 12 Jul, priced at HK$8,044 found 2 days ago
Qatar Airways
Sat, 27 Jun - Mon, 13 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$8,786 Return, found 2 days ago
HK$8,786
Return
found 2 days ago
Select Qatar Airways flight, departing Sat, 27 Jun from Hong Kong SAR to Boise, returning Mon, 13 Jul, priced at HK$8,786 found 2 days ago
China Airlines
Fri, 5 Jun - Wed, 8 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$9,554 Return, found 2 days ago
HK$9,554
Return
found 2 days ago
Select China Airlines flight, departing Fri, 5 Jun from Hong Kong SAR to Boise, returning Wed, 8 Jul, priced at HK$9,554 found 2 days ago
Book with confidence

About Ada County

Expedia offers flights to Ada County to meet every traveller'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.

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.

Delta
Tue, 9 Jun - Wed, 8 Jul
HKG
Hong Kong SAR
BOI
Boise
HK$6,486 Return, found 2 days ago
HK$6,486
Return
found 2 days ago
Select Delta flight, departing Tue, 9 Jun from Hong Kong SAR to Boise, returning Wed, 8 Jul, priced at HK$6,486 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, HK$2,948 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$2,948 and peaked at HK$9,554. For one-way trips out of Santa Rosa (STS), the lowest price during this time was HK$1,555.
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$2,948 and HK$9,554. 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 traveller'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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