Flight to Jefferson County

View S$194 flight on Tue, 2 Jun, 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • KLM

  • Air France

  • 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$194 for one-way flights and S$528 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$528 Return, found 1 day ago
S$528
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$528 found 1 day ago
Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$530 Return, found 1 day ago
S$530
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$530 found 1 day ago
Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$556 Return, found 1 day ago
S$556
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$556 found 1 day ago
Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$562 Return, found 1 day ago
S$562
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$562 found 1 day ago
Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$568 Return, found 1 day ago
S$568
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$568 found 1 day ago
Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$578 Return, found 1 day ago
S$578
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$578 found 1 day ago
Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$582 Return, found 1 day ago
S$582
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$582 found 1 day ago
Delta
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$588 Return, found 1 day ago
S$588
Return
found 1 day ago
Select Delta flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$588 found 1 day ago
American Airlines
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$717 Return, found 1 day ago
S$717
Return
found 1 day ago
Select American Airlines flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$717 found 1 day ago
United
Tue, 2 Jun - Thu, 6 Aug
SFO
San Francisco
IDA
Idaho Falls
S$863 Return, found 1 day ago
S$863
Return
found 1 day ago
Select United flight, departing Tue, 2 Jun from San Francisco to Idaho Falls, returning Thu, 6 Aug, priced at S$863 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, S$528 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 San Francisco (SFO) sold for as little as S$194 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between S$528 and S$863. 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$528 to S$863.
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
Delta, United, American Airlines
Roundtrip price
from S$528
Jefferson County Flights Information

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