Cheap Flights to Jefferson County | Popular Routes to Jefferson County from HK$2,039

View HK$2,039 flight on Wed, 8 Apr 2026Opens in a new window

Popular airlines to Jefferson County

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  • United

  • Delta

  • American Airlines

  • Hawaiian Airlines

  • KLM

  • Air France

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at HK$2,039 for one-way flights and HK$3,324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$3,324 Return, found 18 hours ago
HK$3,324
Return
found 18 hours ago
Select Delta flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$3,324 found 18 hours ago
American Airlines
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$3,895 Return, found 18 hours ago
HK$3,895
Return
found 18 hours ago
Select American Airlines flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$3,895 found 18 hours ago
Delta
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$4,109 Return, found 18 hours ago
HK$4,109
Return
found 18 hours ago
Select Delta flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$4,109 found 18 hours ago
Delta
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$4,184 Return, found 18 hours ago
HK$4,184
Return
found 18 hours ago
Select Delta flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$4,184 found 18 hours ago
American Airlines
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$4,196 Return, found 18 hours ago
HK$4,196
Return
found 18 hours ago
Select American Airlines flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$4,196 found 18 hours ago
Delta
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$4,282 Return, found 18 hours ago
HK$4,282
Return
found 18 hours ago
Select Delta flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$4,282 found 18 hours ago
Delta
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$4,324 Return, found 18 hours ago
HK$4,324
Return
found 18 hours ago
Select Delta flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$4,324 found 18 hours ago
American Airlines
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$4,432 Return, found 18 hours ago
HK$4,432
Return
found 18 hours ago
Select American Airlines flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$4,432 found 18 hours ago
American Airlines
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$4,475 Return, found 18 hours ago
HK$4,475
Return
found 18 hours ago
Select American Airlines flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$4,475 found 18 hours ago
United
Wed, 8 Apr - Wed, 15 Apr
BOS
Boston
IDA
Idaho Falls
HK$6,205 Return, found 18 hours ago
HK$6,205
Return
found 18 hours ago
Select United flight, departing Wed, 8 Apr from Boston to Idaho Falls, returning Wed, 15 Apr, priced at HK$6,205 found 18 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, HK$3,324 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 Boston (BOS) sold for as little as HK$2,039 in the last seven days. During this period, the price of a round-trip fare to Jefferson County varied between HK$3,324 and HK$6,205. 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 HK$3,324 to HK$6,205.
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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About Jefferson County

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About Jefferson County

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