Cheap flights to Custer County

View €1,317 flight on Sun, 1 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 €1,317 for one-way flights and €251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€251 Return, found 5 hours ago
€251
Return
found 5 hours ago
Select United flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €251 found 5 hours ago
United
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€325 Return, found 5 hours ago
€325
Return
found 5 hours ago
Select United flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €325 found 5 hours ago
Delta
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€361 Return, found 5 hours ago
€361
Return
found 5 hours ago
Select Delta flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €361 found 5 hours ago
American Airlines
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€379 Return, found 5 hours ago
€379
Return
found 5 hours ago
Select American Airlines flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €379 found 5 hours ago
United
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€394 Return, found 5 hours ago
€394
Return
found 5 hours ago
Select United flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €394 found 5 hours ago
United
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€403 Return, found 5 hours ago
€403
Return
found 5 hours ago
Select United flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €403 found 5 hours ago
American Airlines
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€450 Return, found 5 hours ago
€450
Return
found 5 hours ago
Select American Airlines flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €450 found 5 hours ago
United
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€475 Return, found 5 hours ago
€475
Return
found 5 hours ago
Select United flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €475 found 5 hours ago
Delta
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€480 Return, found 5 hours ago
€480
Return
found 5 hours ago
Select Delta flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €480 found 5 hours ago
Delta
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€507 Return, found 5 hours ago
€507
Return
found 5 hours ago
Select Delta flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €507 found 5 hours ago
American Airlines
Mon, 16 Mar - Tue, 24 Mar
DFW
Dallas
SUN
Sun Valley
€521 Return, found 5 hours ago
€521
Return
found 5 hours ago
Select American Airlines flight, departing Mon, 16 Mar from Dallas to Sun Valley, returning Tue, 24 Mar, priced at €521 found 5 hours ago
Lufthansa
Sun, 1 Mar - Thu, 5 Mar
TLL
Tallinn
SUN
Sun Valley
€936 Return, found 18 hours ago
€936
Return
found 18 hours ago
Select Lufthansa flight, departing Sun, 1 Mar from Tallinn to Sun Valley, returning Thu, 5 Mar, priced at €936 found 18 hours ago
KLM
Sun, 1 Mar - Thu, 5 Mar
TLL
Tallinn
SUN
Sun Valley
€1,647 Return, found 18 hours ago
€1,647
Return
found 18 hours ago
Select KLM flight, departing Sun, 1 Mar from Tallinn to Sun Valley, returning Thu, 5 Mar, priced at €1,647 found 18 hours 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, €251 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 Tallinn (TLL) sold for as low as €1,317 in the last seven days. During this period, the price of a return journey to Custer County ranged between €251 and €1,647. 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.
How much is a plane ticket to Custer County?
In the last seven days, flights to Custer County varied between €251 and €1,647. 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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