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Flight to Jefferson County

View S$1,515 flight on Thu, 20 Aug, 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • KLM

  • Aeromexico

  • Virgin Atlantic

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at S$1,515 for one-way flights and S$2,324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,324 Return, found 21 hours ago
S$2,324
Return
found 21 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,324 found 21 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,386 Return, found 21 hours ago
S$2,386
Return
found 21 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,386 found 21 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,458 Return, found 21 hours ago
S$2,458
Return
found 21 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,458 found 21 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,460 Return, found 21 hours ago
S$2,460
Return
found 21 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,460 found 21 hours ago
China Airlines
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,471 Return, found 21 hours ago
S$2,471
Return
found 21 hours ago
Select China Airlines flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,471 found 21 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,520 Return, found 21 hours ago
S$2,520
Return
found 21 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,520 found 21 hours ago
Korean Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,522 Return, found 21 hours ago
S$2,522
Return
found 21 hours ago
Select Korean Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,522 found 21 hours ago
China Airlines
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,526 Return, found 21 hours ago
S$2,526
Return
found 21 hours ago
Select China Airlines flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,526 found 21 hours ago
Jeju Air
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,528 Return, found 21 hours ago
S$2,528
Return
found 21 hours ago
Select Jeju Air flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,528 found 21 hours ago
Delta
Thu, 20 Aug - Thu, 27 Aug
PUS
Busan
IDA
Idaho Falls
S$2,564 Return, found 21 hours ago
S$2,564
Return
found 21 hours ago
Select Delta flight, departing Thu, 20 Aug from Busan to Idaho Falls, returning Thu, 27 Aug, priced at S$2,564 found 21 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, S$2,324 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 S$1,515 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between S$2,324 and S$2,564. 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.
When is the cheapest time to fly to Jefferson County?
Take off to Jefferson County early on in the week and you'll usually be rewarded with cheaper fares. Tuesday is known for being the cheapest day to hop on a plane, closely followed by Monday. If you're hoping to avoid the costliest flights, stay away from Saturdays.
How much is a plane ticket to Jefferson County?
In the last seven days, plane fares to Jefferson County ranged from S$2,324 to S$2,564.
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

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

Travel information

Jefferson County Flights Information

Airlines serving
China Airlines, Delta, Japan Airlines, Korean Air, Jeju Air
Roundtrip price
from S$2,324
Jefferson County Flights Information
*Available to Expedia members.