Cheap Flights to Jefferson County

View AU$761 flight on Fri, 23 Jan 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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Cheapest Flights to Jefferson County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 23 Jan - Fri, 6 Feb
BNE
Brisbane
IDA
Idaho Falls
AU$1,271 Return, found 3 days ago
AU$1,271
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Brisbane to Idaho Falls, returning Fri, 6 Feb, priced at AU$1,271 found 3 days ago
Delta
Fri, 23 Jan - Fri, 6 Feb
BNE
Brisbane
IDA
Idaho Falls
AU$1,599 Return, found 3 days ago
AU$1,599
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Brisbane to Idaho Falls, returning Fri, 6 Feb, priced at AU$1,599 found 3 days ago
Delta
Fri, 23 Jan - Fri, 6 Feb
BNE
Brisbane
IDA
Idaho Falls
AU$1,607 Return, found 3 days ago
AU$1,607
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Brisbane to Idaho Falls, returning Fri, 6 Feb, priced at AU$1,607 found 3 days ago
Delta
Fri, 23 Jan - Fri, 6 Feb
BNE
Brisbane
IDA
Idaho Falls
AU$1,616 Return, found 3 days ago
AU$1,616
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Brisbane to Idaho Falls, returning Fri, 6 Feb, priced at AU$1,616 found 3 days ago
Delta
Fri, 23 Jan - Fri, 6 Feb
BNE
Brisbane
IDA
Idaho Falls
AU$1,624 Return, found 3 days ago
AU$1,624
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Brisbane to Idaho Falls, returning Fri, 6 Feb, priced at AU$1,624 found 3 days ago
Delta
Fri, 23 Jan - Fri, 6 Feb
BNE
Brisbane
IDA
Idaho Falls
AU$1,661 Return, found 3 days ago
AU$1,661
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Brisbane to Idaho Falls, returning Fri, 6 Feb, priced at AU$1,661 found 3 days ago
American Airlines
Fri, 18 Sept - Fri, 25 Sept
SYD
Sydney
IDA
Idaho Falls
AU$1,917 Return, found 8 hours ago
AU$1,917
Return
found 8 hours ago
Select American Airlines flight, departing Fri, 18 Sept from Sydney to Idaho Falls, returning Fri, 25 Sept, priced at AU$1,917 found 8 hours ago
Jetstar
Fri, 17 July - Fri, 31 July
MEL
Melbourne
IDA
Idaho Falls
AU$1,946 Return, found 1 day ago
AU$1,946
Return
found 1 day ago
Select Jetstar flight, departing Fri, 17 July from Melbourne to Idaho Falls, returning Fri, 31 July, priced at AU$1,946 found 1 day ago
Qantas Airways
Fri, 17 July - Fri, 31 July
MEL
Melbourne
IDA
Idaho Falls
AU$1,971 Return, found 1 day ago
AU$1,971
Return
found 1 day ago
Select Qantas Airways flight, departing Fri, 17 July from Melbourne to Idaho Falls, returning Fri, 31 July, priced at AU$1,971 found 1 day ago
United
Fri, 26 June - Tue, 7 July
BNE
Brisbane
IDA
Idaho Falls
AU$2,081 Return, found 12 hours ago
AU$2,081
Return
found 12 hours ago
Select United flight, departing Fri, 26 June from Brisbane to Idaho Falls, returning Tue, 7 July, priced at AU$2,081 found 12 hours ago

Jefferson County Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Jefferson County today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your Jefferson County Airfare

At Expedia.com.au, it’s simple to find cheap flights to Jefferson County that won’t cause your wallet to flinch. Browse through our inventory of Jefferson County flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

Jefferson County Flights Information

Airlines serving
Delta, American Airlines, Qantas Airways, United, Jetstar
Roundtrip price
from AU$1,271

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, AU$1,271 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 Brisbane (BNE) sold for as little as AU$761 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between AU$1,271 and AU$2,081. 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 AU$1,271 to AU$2,081.
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.

Trending flights to Jefferson County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 23 Jan - Fri, 6 Feb
BNE
Brisbane
IDA
Idaho Falls
AU$1,271 Return, found 3 days ago
AU$1,271
Return
found 3 days ago
Select Delta flight, departing Fri, 23 Jan from Brisbane to Idaho Falls, returning Fri, 6 Feb, priced at AU$1,271 found 3 days ago
*Available to Expedia members.