Flight Destinations in Jefferson County

View ₹22,150 flight on Wed, 28 Jan 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

  • 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 ₹22,150 for one-way flights and ₹36,817 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 28 Jan - Wed, 25 Feb
IAD
Washington
IDA
Idaho Falls
₹36,817 Return, found 20 hours ago
₹36,817
Return
found 20 hours ago
Select Delta flight, departing Wed, 28 Jan from Washington to Idaho Falls, returning Wed, 25 Feb, priced at ₹36,817 found 20 hours ago
Delta
Wed, 28 Jan - Wed, 25 Feb
DCA
Washington
IDA
Idaho Falls
₹37,720 Return, found 20 hours ago
₹37,720
Return
found 20 hours ago
Select Delta flight, departing Wed, 28 Jan from Washington to Idaho Falls, returning Wed, 25 Feb, priced at ₹37,720 found 20 hours ago
Delta
Wed, 28 Jan - Tue, 3 Mar
DCA
Washington
IDA
Idaho Falls
₹39,521 Return, found 20 hours ago
₹39,521
Return
found 20 hours ago
Select Delta flight, departing Wed, 28 Jan from Washington to Idaho Falls, returning Tue, 3 Mar, priced at ₹39,521 found 20 hours ago
Delta
Wed, 28 Jan - Wed, 25 Feb
IAD
Washington
IDA
Idaho Falls
₹40,327 Return, found 20 hours ago
₹40,327
Return
found 20 hours ago
Select Delta flight, departing Wed, 28 Jan from Washington to Idaho Falls, returning Wed, 25 Feb, priced at ₹40,327 found 20 hours ago
Delta
Wed, 28 Jan - Wed, 25 Feb
BWI
Baltimore
IDA
Idaho Falls
₹41,532 Return, found 20 hours ago
₹41,532
Return
found 20 hours ago
Select Delta flight, departing Wed, 28 Jan from Baltimore to Idaho Falls, returning Wed, 25 Feb, priced at ₹41,532 found 20 hours ago
Delta
Wed, 28 Jan - Wed, 25 Feb
BWI
Baltimore
IDA
Idaho Falls
₹42,010 Return, found 20 hours ago
₹42,010
Return
found 20 hours ago
Select Delta flight, departing Wed, 28 Jan from Baltimore to Idaho Falls, returning Wed, 25 Feb, priced at ₹42,010 found 20 hours ago
Delta
Wed, 28 Jan - Tue, 3 Mar
DCA
Washington
IDA
Idaho Falls
₹42,681 Return, found 20 hours ago
₹42,681
Return
found 20 hours ago
Select Delta flight, departing Wed, 28 Jan from Washington to Idaho Falls, returning Tue, 3 Mar, priced at ₹42,681 found 20 hours ago
American Airlines
Wed, 28 Jan - Wed, 25 Feb
IAD
Washington
IDA
Idaho Falls
₹42,704 Return, found 20 hours ago
₹42,704
Return
found 20 hours ago
Select American Airlines flight, departing Wed, 28 Jan from Washington to Idaho Falls, returning Wed, 25 Feb, priced at ₹42,704 found 20 hours ago
American Airlines
Wed, 28 Jan - Wed, 25 Feb
IAD
Washington
IDA
Idaho Falls
₹43,182 Return, found 20 hours ago
₹43,182
Return
found 20 hours ago
Select American Airlines flight, departing Wed, 28 Jan from Washington to Idaho Falls, returning Wed, 25 Feb, priced at ₹43,182 found 20 hours ago
United
Thu, 29 Jan - Wed, 4 Mar
IAD
Washington
IDA
Idaho Falls
₹43,354 Return, found 20 hours ago
₹43,354
Return
found 20 hours ago
Select United flight, departing Thu, 29 Jan from Washington to Idaho Falls, returning Wed, 4 Mar, priced at ₹43,354 found 20 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, ₹36,817 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 Washington (DCA) sold for as little as ₹22,150 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between ₹36,817 and ₹43,354. 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 ₹36,817 to ₹43,354.
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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