Cheap Flights to Jefferson County from $79

View $79 flight on Thu, Mar 12, 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

  • Aeromexico

    Aeromexico

  • KLM

    KLM

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How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at $79 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, May 16 - Wed, May 20
PDX
Portland
IDA
Idaho Falls
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Idaho Falls, returning Wed, May 20, priced at $117 found 5 hours ago
Alaska Airlines
Sat, Mar 14 - Wed, Mar 18
SEA
Seattle
IDA
Idaho Falls
$157 Roundtrip, found 2 hours ago
$157
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Sat, Mar 14 from Seattle to Idaho Falls, returning Wed, Mar 18, priced at $157 found 2 hours ago
United
Wed, Feb 11 - Sat, Feb 14
DEN
Denver
IDA
Idaho Falls
$189 Roundtrip, found 4 hours ago
$189
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Feb 11 from Denver to Idaho Falls, returning Sat, Feb 14, priced at $189 found 4 hours ago
Hawaiian Airlines
Wed, Mar 4 - Sat, Mar 7
PHX
Phoenix
IDA
Idaho Falls
$217 Roundtrip, found 11 hours ago
$217
Roundtrip
found 11 hours ago
Select Hawaiian Airlines flight, departing Wed, Mar 4 from Phoenix to Idaho Falls, returning Sat, Mar 7, priced at $217 found 11 hours ago
American Airlines
Sat, Feb 14 - Tue, Feb 17
ONT
Ontario
IDA
Idaho Falls
$217 Roundtrip, found 7 hours ago
$217
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Feb 14 from Ontario to Idaho Falls, returning Tue, Feb 17, priced at $217 found 7 hours ago
Delta
Tue, Feb 10 - Wed, Feb 18
LAX
Los Angeles
IDA
Idaho Falls
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Feb 10 from Los Angeles to Idaho Falls, returning Wed, Feb 18, priced at $217 found 1 hour ago
Hawaiian Airlines
Sat, Feb 7 - Wed, Feb 11
ORD
Chicago
IDA
Idaho Falls
$219 Roundtrip, found 6 days ago
$219
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 7 from Chicago to Idaho Falls, returning Wed, Feb 11, priced at $219 found 6 days ago
Hawaiian Airlines
Thu, Jan 29 - Tue, Feb 3
SMF
Sacramento
IDA
Idaho Falls
$233 Roundtrip, found 6 days ago
$233
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 29 from Sacramento to Idaho Falls, returning Tue, Feb 3, priced at $233 found 6 days ago
Delta
Wed, Mar 18 - Fri, Mar 27
SNA
Orange County
IDA
Idaho Falls
$246 Roundtrip, found 5 days ago
$246
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Mar 18 from Orange County to Idaho Falls, returning Fri, Mar 27, priced at $246 found 5 days ago
Hawaiian Airlines
Tue, Feb 10 - Tue, Feb 24
SBP
San Luis Obispo
IDA
Idaho Falls
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 10 from San Luis Obispo to Idaho Falls, returning Tue, Feb 24, priced at $263 found 5 days ago

Airports in Jefferson County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Idaho Falls Regional IDA. Cheapest option available. Flights from $461
IDA
Idaho Falls Regional
Cheapest
Flights from $461

Trending flights to Jefferson County

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

Alaska Airlines
Sat, May 16 - Wed, May 20
PDX
Portland
IDA
Idaho Falls
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Idaho Falls, returning Wed, May 20, priced at $117 found 5 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, $117 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 Portland (PDX) sold for as little as $79 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between $117 and $263. 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 traveling 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 $117 to $263.
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.
How long is a flight to Jefferson County?
It could be an hour or two or longer — it really depends on which part of the States you're setting off from. The average flight times for these leading domestic routes to Jefferson County will give you a good idea of what to expect:

  • Denver, CO (DEN-Denver Intl.) to Idaho Falls Regional Airport (IDA) - 1 hour and 41 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Idaho Falls Regional Airport (IDA) - 3 hours and 1 minute
  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Idaho Falls Regional Airport (IDA) - 1 hour and 6 minutes

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 50ºF to 80ºF. June, July and August is when Rigby draws the biggest crowds.

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Travel information

Jefferson County Flights Information

Airlines serving
Alaska Airlines, Delta, American Airlines, United, Hawaiian Airlines
Roundtrip price
from $117
Jefferson County Flights Information

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