Cheap Flights to Custer County | Popular Routes to Custer County from HK$778

View HK$778 flight on Fri, 13 Mar 2026Opens in a new window

Popular airlines to Custer County

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • Hawaiian Airlines

  • KLM

  • Air France

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Cheap round-trip flights to Custer County

Prices were available within the past 7 days and start at HK$778 for one-way flights and HK$1,233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$1,233 Return, found 1 day ago
HK$1,233
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$1,233 found 1 day ago
Delta
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$2,021 Return, found 1 day ago
HK$2,021
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$2,021 found 1 day ago
Delta
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$2,408 Return, found 1 day ago
HK$2,408
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$2,408 found 1 day ago
Delta
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$3,185 Return, found 1 day ago
HK$3,185
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$3,185 found 1 day ago
Delta
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$3,655 Return, found 1 day ago
HK$3,655
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$3,655 found 1 day ago
Delta
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$3,891 Return, found 1 day ago
HK$3,891
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$3,891 found 1 day ago
American Airlines
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$4,021 Return, found 1 day ago
HK$4,021
Return
found 1 day ago
Select American Airlines flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$4,021 found 1 day ago
Delta
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$4,053 Return, found 1 day ago
HK$4,053
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$4,053 found 1 day ago
American Airlines
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$4,171 Return, found 1 day ago
HK$4,171
Return
found 1 day ago
Select American Airlines flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$4,171 found 1 day ago
United
Fri, 13 Mar - Fri, 20 Mar
SEA
Seattle
SUN
Sun Valley
HK$4,601 Return, found 1 day ago
HK$4,601
Return
found 1 day ago
Select United flight, departing Fri, 13 Mar from Seattle to Sun Valley, returning Fri, 20 Mar, priced at HK$4,601 found 1 day ago

About Custer County

Expedia offers flights to Custer County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Custer 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 Custer County that have flexible change policies?
Search for your bargain flights to Custer County, then mark the "No change fee" box underneath the "Flexible change policies" heading. It's as simple as that. We appreciate that plans can change and flexibility is essential, so you can book with confidence with Expedia.
Which airlines fly to Custer County?
With a great selection of airlines offering flights into or near Custer County, the choice is all yours:

  • Alaska Airlines - 754 flights to or near Custer County each month, including 754 flights to Boise Airport (BOI) per month.
  • Delta Air Lines - 489 flights to or near Custer County each month, including 489 flights to Boise Airport (BOI) per month.
  • United Airlines - 303 flights to or near Custer County each month, including 303 flights to Boise Airport (BOI) per month.

How can I find cheap tickets to Custer County?
An excellent strategy for getting your hands on cheap airfares is to be flexible with your dates. Start by searching for your flight to Custer County, then click on the "flexible dates" link to compare prices for nearby days. Another good tip? Book well ahead. To give you an idea of fares, HK$1,233 was the best price for a flight to Custer County in the last seven days.
How much is a flight to Custer County?
One-way flights leaving Seattle (SEA) sold for as low as HK$778 in the last seven days. During this period, the price of a return journey to Custer County ranged between HK$1,233 and HK$4,984. If you find a bargain ticket, book immediately — these fares don't stick around.
What are the most popular airports to fly into in Custer County?
Start planning your Custer County trip by securing a seat on one of the 1,994 flights each month to Boise Airport (BOI). This is the region's main entryway.
When is the cheapest time to fly to Custer County?
Fly out on a Tuesday to increase your chances of getting the cheapest deal to Custer County. Mondays are usually the second most affordable day to take off. Saturday is normally the priciest day to fly anywhere.
How much is a plane ticket to Custer County?
In the last seven days, flights to Custer County varied between HK$1,233 and HK$4,984. Prices depend on the departure time, carrier, cabin class and when the fare is booked.
What is the best time to go to Custer County?
May, June and July are the most popular months to explore Challis, one of Custer County's most famous cities. Summertime here starts June 20. Average temperatures range from 7ºC to 24ºC throughout the season, so travel around then if warmer weather is your preference.
What months are the cheapest to book a flight to Custer County?
The best month to book a terrific deal to Custer County is February, whereas prices are at their highest in December. Keep clear of this month if you're counting your pennies.
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