CA $134 Cheap Flight to Jefferson County

View CA $134 flight on Wed, Apr 1, 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • Hawaiian Airlines

  • KLM

  • Aeromexico

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How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at CA $134 for one-way flights and CA $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Mar 12 - Mon, Mar 16
SEA
Seattle
IDA
Idaho Falls
CA $241 Roundtrip, found 1 day ago
CA $241
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Mar 12 from Seattle to Idaho Falls, returning Mon, Mar 16, priced at CA $241 found 1 day ago
Delta
Tue, Apr 14 - Tue, Apr 28
YVR
Vancouver
IDA
Idaho Falls
CA $298 Roundtrip, found 1 day ago
CA $298
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Apr 14 from Vancouver to Idaho Falls, returning Tue, Apr 28, priced at CA $298 found 1 day ago
United
Wed, Mar 25 - Tue, Apr 7
YVR
Vancouver
IDA
Idaho Falls
CA $298 Roundtrip, found 1 day ago
CA $298
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 25 from Vancouver to Idaho Falls, returning Tue, Apr 7, priced at CA $298 found 1 day ago
Alaska Airlines
Thu, Mar 12 - Mon, Mar 16
SEA
Seattle
IDA
Idaho Falls
CA $301 Roundtrip, found 1 day ago
CA $301
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Mar 12 from Seattle to Idaho Falls, returning Mon, Mar 16, priced at CA $301 found 1 day ago
United
Tue, Apr 21 - Sat, May 9
YEG
Edmonton
IDA
Idaho Falls
CA $309 Roundtrip, found 21 hours ago
CA $309
Roundtrip
found 21 hours ago
Select United flight, departing Tue, Apr 21 from Edmonton to Idaho Falls, returning Sat, May 9, priced at CA $309 found 21 hours ago
Alaska Airlines
Wed, May 20 - Mon, May 25
SEA
Seattle
IDA
Idaho Falls
CA $322 Roundtrip, found 3 days ago
CA $322
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, May 20 from Seattle to Idaho Falls, returning Mon, May 25, priced at CA $322 found 3 days ago
Delta
Wed, May 20 - Mon, May 25
SEA
Seattle
IDA
Idaho Falls
CA $331 Roundtrip, found 3 days ago
CA $331
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 20 from Seattle to Idaho Falls, returning Mon, May 25, priced at CA $331 found 3 days ago
Alaska Airlines
Thu, Mar 12 - Mon, Mar 16
SEA
Seattle
IDA
Idaho Falls
CA $336 Roundtrip, found 1 day ago
CA $336
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Mar 12 from Seattle to Idaho Falls, returning Mon, Mar 16, priced at CA $336 found 1 day ago
Hawaiian Airlines
Wed, Apr 1 - Sat, Apr 18
BLI
Bellingham
IDA
Idaho Falls
CA $387 Roundtrip, found 10 hours ago
CA $387
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Wed, Apr 1 from Bellingham to Idaho Falls, returning Sat, Apr 18, priced at CA $387 found 10 hours ago
American Airlines
Wed, Apr 1 - Wed, Apr 22
YYZ
Toronto
IDA
Idaho Falls
CA $420 Roundtrip, found 1 day ago
CA $420
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 1 from Toronto to Idaho Falls, returning Wed, Apr 22, priced at CA $420 found 1 day ago

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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.

United
Wed, Mar 25 - Tue, Apr 7
YVR
Vancouver
IDA
Idaho Falls
CA $298 Roundtrip, found 1 day ago
CA $298
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 25 from Vancouver to Idaho Falls, returning Tue, Apr 7, priced at CA $298 found 1 day 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, CA $241 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 Seattle (SEA) sold for as little as CA $134 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between CA $241 and CA $431. 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 CA $241 to CA $431.
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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Top Travel Tips for Flying to Jefferson County

Travel information

Jefferson County Flights Information

Airlines serving
Alaska Airlines, Delta, United, American Airlines, Hawaiian Airlines, Porter Airlines
Roundtrip price
from CA $241
Jefferson County Flights Information

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