Cheap Flights to Franklin County from $79

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

Popular airlines to Franklin County

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • JetBlue Airways

    JetBlue Airways

  • Alaska Airlines

    Alaska Airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Franklin 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.

Hawaiian Airlines
Wed, Feb 11 - Tue, Mar 3
SEA
Seattle
IDA
Idaho Falls
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Hawaiian Airlines flight, departing Wed, Feb 11 from Seattle to Idaho Falls, returning Tue, Mar 3, priced at $157 just found
Alaska Airlines
Tue, Feb 3 - Wed, Feb 4
SEA
Seattle
IDA
Idaho Falls
$162 Roundtrip, found 6 days ago
$162
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Feb 3 from Seattle to Idaho Falls, returning Wed, Feb 4, priced at $162 found 6 days ago
Delta
Wed, Mar 18 - Sat, Mar 21
SEA
Seattle
IDA
Idaho Falls
$167 Roundtrip, found 10 hours ago
$167
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Mar 18 from Seattle to Idaho Falls, returning Sat, Mar 21, priced at $167 found 10 hours ago
United
Fri, Mar 20 - Sun, Mar 29
DEN
Denver
IDA
Idaho Falls
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Mar 20 from Denver to Idaho Falls, returning Sun, Mar 29, priced at $189 found 1 hour ago
Alaska Airlines
Wed, May 13 - Sat, May 16
SEA
Seattle
IDA
Idaho Falls
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, May 13 from Seattle to Idaho Falls, returning Sat, May 16, priced at $197 found 2 days ago
American Airlines
Sat, Feb 14 - Tue, Feb 17
ONT
Ontario
IDA
Idaho Falls
$217 Roundtrip, found 12 hours ago
$217
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, Feb 14 from Ontario to Idaho Falls, returning Tue, Feb 17, priced at $217 found 12 hours ago
American Airlines
Wed, Feb 4 - Wed, Feb 11
LAX
Los Angeles
IDA
Idaho Falls
$217 Roundtrip, just found
$217
Roundtrip
just found
Select American Airlines flight, departing Wed, Feb 4 from Los Angeles to Idaho Falls, returning Wed, Feb 11, priced at $217 just found
Delta
Tue, Apr 28 - Tue, May 12
DEN
Denver
PIH
Pocatello
$307 Roundtrip, found 3 days ago
$307
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 28 from Denver to Pocatello, returning Tue, May 12, priced at $307 found 3 days ago
United
Tue, Jun 9 - Mon, Jun 15
EWR
New York
IDA
Idaho Falls
$309 Roundtrip, found 11 hours ago
$309
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jun 9 from New York to Idaho Falls, returning Mon, Jun 15, priced at $309 found 11 hours ago
Delta
Tue, Feb 17 - Wed, Feb 25
ATL
Atlanta
IDA
Idaho Falls
$309 Roundtrip, found 6 hours ago
$309
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Feb 17 from Atlanta to Idaho Falls, returning Wed, Feb 25, priced at $309 found 6 hours ago

Trending flights to Franklin 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 11 hours ago
$117
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Idaho Falls, returning Wed, May 20, priced at $117 found 11 hours ago

Frequently asked questions

How do I find cheap flights to Franklin County that have flexible change policies?
Search for bargain flights to Franklin County, then tick the "No change fee" box below the "Flexible change policies" subheading. It really is that easy. We know that plans can change and flexibility is important, so book with confidence with Expedia.
Which airlines fly to Franklin County?
Dig out your suitcase and take your pick of these well-known airlines that have flights into or near Franklin County:

  • Delta Air Lines - 6,400 flights to or near Franklin County each month, including 6,400 flights to Salt Lake City Intl. Airport (SLC) per month.
  • Southwest Airlines - 676 flights to or near Franklin County each month, including 676 flights to Salt Lake City Intl. Airport (SLC) per month.
  • United Airlines - 563 flights to or near Franklin County each month, including 563 flights to Salt Lake City Intl. Airport (SLC) per month.

How can I find cheap tickets to Franklin County?
A great strategy for scoring cheap fares is to be flexible with your dates. Begin with searching for your flight to Franklin County, then click on the "flexible dates" link for a list of prices for nearby days. Another handy tip? Book well ahead. For an idea of fares, $117 was the best price for a flight to Franklin County in the last seven days.
How much is a flight to Franklin County?
There were plenty of low-cost fares for the taking in the last seven days, with the price of a return ticket to Franklin County varying between $117 and $309. Many lucky travelers locked in one-way tickets from Seattle (SEA) for just $79.
What are the most popular airports to fly into in Franklin County?
Jet into Salt Lake City Intl. Airport (SLC) and experience everything that Franklin County has to offer. As the region's primary entry point, around 8,676 flights land here each month.
When is the cheapest time to fly to Franklin County?
Jet off on a Tuesday to improve your chances of picking up the cheapest flight to Franklin County. Mondays are usually the second most affordable day to take off. Saturday is generally the priciest day to fly anywhere.
How much is a plane ticket to Franklin County?
In the last seven days, plane tickets to Franklin County fluctuated from $117 to $309.
What months are the cheapest to book a flight to Franklin County?
February is the ideal month to snap up an awesome deal to Franklin County. Be aware that the costliest time to purchase tickets in the U.S. Isn't during the height of summer, but in December.
How long is a flight to Franklin County?
It depends on a number of things, such as where you depart from and whether you're traveling on a direct or multi-stop flight. Below are some of the most popular domestic routes to Franklin County and their average flight times:

  • Denver, CO (DEN-Denver Intl.) to Salt Lake City Intl. Airport (SLC) - 1 hour and 38 minutes
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Salt Lake City Intl. Airport (SLC) - 1 hour and 55 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Salt Lake City Intl. Airport (SLC) - 2 hours and 46 minutes

What is the best time to go to Franklin County?
June, July and August are popular months to explore the wonders of Preston, one of Franklin County's most fascinating cities. Summer here starts June 20. Average temperatures range from 50ºF to 80ºF across the season, so visit around then if you enjoy warmer weather.

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

Franklin County Flights Information

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

Explore a world of travel with Expedia

*Available to One Key members.