Cheap flights to Franklin County

View €349 flight on Thu, 11 Jun 2026Opens in a new window

Popular airlines to Franklin County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheap round-trip flights to Franklin County

Prices were available within the past 7 days and start at €349 for one-way flights and €374 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€374 Return, found 1 day ago
€374
Return
found 1 day ago
Select American Airlines flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €374 found 1 day ago
American Airlines
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€409 Return, found 1 day ago
€409
Return
found 1 day ago
Select American Airlines flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €409 found 1 day ago
American Airlines
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€442 Return, found 1 day ago
€442
Return
found 1 day ago
Select American Airlines flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €442 found 1 day ago
American Airlines
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€470 Return, found 1 day ago
€470
Return
found 1 day ago
Select American Airlines flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €470 found 1 day ago
Delta
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€500 Return, found 1 day ago
€500
Return
found 1 day ago
Select Delta flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €500 found 1 day ago
American Airlines
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€504 Return, found 1 day ago
€504
Return
found 1 day ago
Select American Airlines flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €504 found 1 day ago
Delta
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€520 Return, found 1 day ago
€520
Return
found 1 day ago
Select Delta flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €520 found 1 day ago
United
Sat, 4 Jul - Fri, 10 Jul
BOS
Boston
IDA
Idaho Falls
€609 Return, found 1 day ago
€609
Return
found 1 day ago
Select United flight, departing Sat, 4 Jul from Boston to Idaho Falls, returning Fri, 10 Jul, priced at €609 found 1 day ago
Icelandair
Thu, 8 Oct - Sun, 18 Oct
DUB
Dublin
IDA
Idaho Falls
€982 Return, found 6 days ago
€982
Return
found 6 days ago
Select Icelandair flight, departing Thu, 8 Oct from Dublin to Idaho Falls, returning Sun, 18 Oct, priced at €982 found 6 days ago
KLM
Thu, 11 Jun - Mon, 15 Jun
DUB
Dublin
IDA
Idaho Falls
€1,141 Return, found 1 day ago
€1,141
Return
found 1 day ago
Select KLM flight, departing Thu, 11 Jun from Dublin to Idaho Falls, returning Mon, 15 Jun, priced at €1,141 found 1 day ago
Book with confidence

About Franklin County

Expedia offers flights to Franklin County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Franklin County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Trending flights to Franklin 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.

Icelandair
Thu, 8 Oct - Sun, 18 Oct
DUB
Dublin
IDA
Idaho Falls
€982 Return, found 6 days ago
€982
Return
found 6 days ago
Select Icelandair flight, departing Thu, 8 Oct from Dublin to Idaho Falls, returning Sun, 18 Oct, priced at €982 found 6 days 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, €374 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 €374 and €1,141. Many lucky travellers locked in one-way tickets from Boston (BOS) for just €349.
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.
How much is a plane ticket to Franklin County?
In the last seven days, plane tickets to Franklin County fluctuated from €374 to €1,141.
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 10ºC to 27ºC across the season, so visit around then if you enjoy warmer weather.
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.

Book with confidence

About Franklin County

Expedia offers flights to Franklin County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Franklin County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Franklin County
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