Cheap Flights to Ada County from ₩708,400

View ₩708,400 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines to Ada County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Air France

    Air France

  • Air Canada

    Air Canada

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How much is the cheapest flight to Ada County?

Prices were available within the past 7 days and start at ₩708,400 for one-way flights and ₩965,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 10 - Tue, Mar 24
ICN
Seoul
BOI
Boise
₩965,400 Roundtrip, found 1 day ago
₩965,400
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Seoul to Boise, returning Tue, Mar 24, priced at ₩965,400 found 1 day ago
Hawaiian Airlines
Sat, Feb 21 - Fri, Feb 27
ICN
Seoul
BOI
Boise
₩980,100 Roundtrip, found 6 days ago
₩980,100
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 21 from Seoul to Boise, returning Fri, Feb 27, priced at ₩980,100 found 6 days ago
United
Tue, Jan 20 - Sun, Jan 25
ICN
Seoul
BOI
Boise
₩994,300 Roundtrip, found 1 day ago
₩994,300
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 20 from Seoul to Boise, returning Sun, Jan 25, priced at ₩994,300 found 1 day ago
Delta
Sun, Feb 22 - Thu, Feb 26
ICN
Seoul
BOI
Boise
₩1,040,100 Roundtrip, just found
₩1,040,100
Roundtrip
just found
Select Delta flight, departing Sun, Feb 22 from Seoul to Boise, returning Thu, Feb 26, priced at ₩1,040,100 just found
Delta
Mon, Feb 23 - Fri, Feb 27
ICN
Seoul
BOI
Boise
₩1,042,900 Roundtrip, found 6 days ago
₩1,042,900
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Feb 23 from Seoul to Boise, returning Fri, Feb 27, priced at ₩1,042,900 found 6 days ago
Hawaiian Airlines
Sat, Feb 21 - Fri, Feb 27
ICN
Seoul
BOI
Boise
₩1,049,500 Roundtrip, found 6 days ago
₩1,049,500
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 21 from Seoul to Boise, returning Fri, Feb 27, priced at ₩1,049,500 found 6 days ago
Hawaiian Airlines
Sat, Feb 21 - Fri, Feb 27
ICN
Seoul
BOI
Boise
₩1,061,700 Roundtrip, found 6 days ago
₩1,061,700
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 21 from Seoul to Boise, returning Fri, Feb 27, priced at ₩1,061,700 found 6 days ago
Delta
Tue, Jan 20 - Sun, Jan 25
ICN
Seoul
BOI
Boise
₩1,065,400 Roundtrip, found 1 day ago
₩1,065,400
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 20 from Seoul to Boise, returning Sun, Jan 25, priced at ₩1,065,400 found 1 day ago
Korean Air
Mon, Nov 9 - Fri, Nov 13
ICN
Seoul
BOI
Boise
₩1,225,000 Roundtrip, found 6 days ago
₩1,225,000
Roundtrip
found 6 days ago
Select Korean Air flight, departing Mon, Nov 9 from Seoul to Boise, returning Fri, Nov 13, priced at ₩1,225,000 found 6 days ago
Air Canada
Tue, Mar 10 - Tue, Mar 24
ICN
Seoul
BOI
Boise
₩1,305,400 Roundtrip, found 1 day ago
₩1,305,400
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Mar 10 from Seoul to Boise, returning Tue, Mar 24, priced at ₩1,305,400 found 1 day ago

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.

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, ₩965,400 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 ₩965,400 and peaked at ₩1,305,400. For one-way trips out of Seoul (ICN), the lowest price during this time was ₩708,400.
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 ₩965,400 and ₩1,305,400. 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 60ºF and 80ºF 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.

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.

Delta
Tue, Mar 10 - Tue, Mar 24
ICN
Seoul
BOI
Boise
₩965,400 Roundtrip, found 1 day ago
₩965,400
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Seoul to Boise, returning Tue, Mar 24, priced at ₩965,400 found 1 day ago
*Available to Expedia members.