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Jefferson County Flights - Book Cheap Flights to Jefferson County

View RM5,364 flight on Thu, 20 Aug 2026Opens in a new window

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at RM5,364 for one-way flights and RM6,556 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM6,556 Return, found 9 hours ago
RM6,556
Return
found 9 hours ago
Select China Airlines flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM6,556 found 9 hours ago
China Airlines
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM7,089 Return, found 9 hours ago
RM7,089
Return
found 9 hours ago
Select China Airlines flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM7,089 found 9 hours ago
China Airlines
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM7,223 Return, found 9 hours ago
RM7,223
Return
found 9 hours ago
Select China Airlines flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM7,223 found 9 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM7,397 Return, found 9 hours ago
RM7,397
Return
found 9 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM7,397 found 9 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM7,597 Return, found 9 hours ago
RM7,597
Return
found 9 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM7,597 found 9 hours ago
China Airlines
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM7,689 Return, found 9 hours ago
RM7,689
Return
found 9 hours ago
Select China Airlines flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM7,689 found 9 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM7,824 Return, found 9 hours ago
RM7,824
Return
found 9 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM7,824 found 9 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM7,831 Return, found 9 hours ago
RM7,831
Return
found 9 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM7,831 found 9 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM8,024 Return, found 9 hours ago
RM8,024
Return
found 9 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM8,024 found 9 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM8,031 Return, found 9 hours ago
RM8,031
Return
found 9 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM8,031 found 9 hours ago
Jeju Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM8,043 Return, found 9 hours ago
RM8,043
Return
found 9 hours ago
Select Jeju Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM8,043 found 9 hours ago
Delta
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM8,163 Return, found 9 hours ago
RM8,163
Return
found 9 hours ago
Select Delta flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM8,163 found 9 hours ago
Delta
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM8,164 Return, found 9 hours ago
RM8,164
Return
found 9 hours ago
Select Delta flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM8,164 found 9 hours ago
Delta
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM8,186 Return, found 9 hours ago
RM8,186
Return
found 9 hours ago
Select Delta flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM8,186 found 9 hours ago
China Airlines
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
RM8,222 Return, found 9 hours ago
RM8,222
Return
found 9 hours ago
Select China Airlines flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at RM8,222 found 9 hours ago

Frequently asked questions

How do I find cheap flights to Jefferson County that have flexible change policies?
When it comes to flying these days, flexibility is a must. That's why we've added a "No change fee" filter to help you track down flexible, low-priced flights to Jefferson County. It's to the left of your screen directly under the "Flexible change policies" subheading.
Which airlines fly to Jefferson County?
Find a seat with one of these airlines and the lively region of Jefferson County will be yours to explore:

  • United Airlines - 91 flights to or near Jefferson County each month, including 91 flights to Idaho Falls Regional Airport (IDA) per month.
  • Delta Air Lines - 86 flights to or near Jefferson County each month, including 86 flights to Idaho Falls Regional Airport (IDA) per month.
  • Allegiant Air - 65 flights to or near Jefferson County each month, including 65 flights to Idaho Falls Regional Airport (IDA) per month.

How can I find cheap tickets to Jefferson County?
In the last seven days, RM6,556 was the lowest price for a flight to Jefferson County. For an even cheaper fare, book ahead of time and be flexible with your travel dates. Search for your trip to Jefferson County, then check out prices for nearby days by clicking on our "flexible dates" link.
How much is a flight to Jefferson County?
One-way flights departing from Busan (PUS) sold for as little as RM5,364 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between RM6,556 and RM8,656. If you find a fantastic deal, book as fast as you can — these fares don't stick around for long.
What are the most popular airports to fly into in Jefferson County?
Idaho Falls Regional Airport (IDA) is the primary gateway for people travelling into and out of Jefferson County. Roughly 334 flights per month touch down at this airport.
How much is a plane ticket to Jefferson County?
In the last seven days, plane fares to Jefferson County ranged from RM6,556 to RM8,656.
What is the best time to go to Jefferson County?
Rigby, Jefferson County's leading city, is a great place to tour around at anytime. Don't like the cold? Then journey here from June 20 onward in summer, when temperatures range from 10ºC to 27ºC. June, July and August is when Rigby draws the biggest crowds.
What months are the cheapest to book a flight to Jefferson County?
The ideal month to book a fantastic deal to Jefferson County is February, whereas prices are at a premium in December. Keep clear of this month if you're counting your pennies.

Book with confidence

About Jefferson County

Expedia offers flights to Jefferson County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Jefferson County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Jefferson County
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