Cheap flights to Jefferson County

View €213 flight on Thu, 12 Feb 2026Opens in a new window

Popular airlines to Jefferson County

  • United

    United

  • Delta

    Delta

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

  • KLM

    KLM

  • Aeromexico

    Aeromexico

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at €213 for one-way flights and €392 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€392 Return, found 18 hours ago
€392
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €392 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€400 Return, found 18 hours ago
€400
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €400 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€413 Return, found 18 hours ago
€413
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €413 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€421 Return, found 18 hours ago
€421
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €421 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€425 Return, found 18 hours ago
€425
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €425 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€430 Return, found 18 hours ago
€430
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €430 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€446 Return, found 18 hours ago
€446
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €446 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€452 Return, found 18 hours ago
€452
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €452 found 18 hours ago
United
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€501 Return, found 18 hours ago
€501
Return
found 18 hours ago
Select United flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €501 found 18 hours ago
United
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€508 Return, found 18 hours ago
€508
Return
found 18 hours ago
Select United flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €508 found 18 hours ago
American Airlines
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€512 Return, found 18 hours ago
€512
Return
found 18 hours ago
Select American Airlines flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €512 found 18 hours ago
United
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€533 Return, found 18 hours ago
€533
Return
found 18 hours ago
Select United flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €533 found 18 hours ago
United
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€539 Return, found 18 hours ago
€539
Return
found 18 hours ago
Select United flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €539 found 18 hours ago
Delta
Thu, 12 Feb - Sat, 14 Feb
ATL
Atlanta
IDA
Idaho Falls
€740 Return, found 18 hours ago
€740
Return
found 18 hours ago
Select Delta flight, departing Thu, 12 Feb from Atlanta to Idaho Falls, returning Sat, 14 Feb, priced at €740 found 18 hours ago

About Jefferson County

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.

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, €392 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 Atlanta (ATL) sold for as little as €213 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between €392 and €823. 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 €392 to €823.
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.
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