$451 Find Cheap Flights from Frankfurt am Main to Idaho

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Frankfurt am Main to Idaho departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Idaho, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Idaho, as well as popular online travel agencies
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Cheap Flights from Frankfurt am Main to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boise
Boise2 stops$712
Spokane
Spokane2 stops$740
Boise
Boise2 stops$712
Spokane
Spokane2 stops$740

Book Cheap Frankfurt am Main to Idaho Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Frankfurt am Main to Idaho that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Frankfurt am Main to Idaho

Thu, Oct 23 - Tue, Oct 28
Scandinavian Airlines Logo
8:30 pm - 8:16 pmFRA-BOI
31h 46m2 stops
Scandinavian Airlines Logo
4:00 pm - 7:45 pmBOI-FRA
20h 45m2 stops
$712Scandinavian Airlines
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Thu, Oct 23 - Tue, Oct 28
Scandinavian Airlines Logo
8:30 pm - 8:16 pmFRA-BOI
31h 46m2 stops
Scandinavian Airlines Logo
4:00 pm - 7:45 pmBOI-FRA
20h 45m2 stops
$713Scandinavian Airlines
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Fri, Oct 3 - Fri, Oct 10
Logo
12:15 pm - 10:50 pmFRA-BOI
18h 35m2 stops
Logo
6:30 am - 8:05 amBOI-FRA
17h 35m2 stops
$731
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Thu, Oct 23 - Sat, Nov 1
Virgin Atlantic Logo
11:50 am - 10:51 pmFRA-GEG
20h 01m2 stops
Virgin Atlantic Logo
3:37 pm - 7:50 amGEG-FRA
32h 13m2 stops
$740Virgin Atlantic
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Wed, Sep 10 - Sun, Sep 21
United Airlines Logo
5:05 pm - 9:14 pmFRA-BOI
36h 09m2 stops
United Airlines Logo
9:52 am - 3:15 pmBOI-FRA
21h 23m1 stop
$745United Airlines
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Thu, Nov 6 - Mon, Nov 10
Delta Logo
10:15 am - 6:13 pmFRA-IDA
39h 58m2 stops
Delta Logo
6:05 am - 11:15 amIDA-FRA
21h 10m2 stops
$745Delta
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Thu, Oct 23 - Sat, Nov 1
Logo
9:55 am - 8:24 pmFRA-GEG
43h 29m2 stops
Logo
1:47 pm - 9:20 amGEG-FRA
35h 33m1 stop
$745
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Thu, Oct 23 - Tue, Oct 28
United Airlines Logo
5:05 pm - 6:47 pmFRA-BOI
33h 42m2 stops
United Airlines Logo
2:31 pm - 11:30 amBOI-FRA
13h 59m1 stop
$746United Airlines
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Sat, Sep 20 - Sun, Sep 28
Delta Logo
7:00 am - 9:31 pmFRA-GEG
23h 31m2 stops
Delta Logo
3:30 pm - 5:45 pmGEG-FRA
17h 15m2 stops
$750Delta
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Thu, Sep 11 - Tue, Sep 16
Virgin Atlantic Logo
11:50 am - 11:52 pmFRA-BOI
20h 02m2 stops
Virgin Atlantic Logo
4:20 pm - 8:40 amBOI-FRA
32h 20m2 stops
$779Virgin Atlantic
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Booking Insights

KAYAK's insights & trends for Frankfurt am Main to Idaho flights

Get data-powered insights and trends into flights from Frankfurt am Main to Idaho to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Frankfurt am Main Airport to Idaho?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Frankfurt am Main Airport to Idaho, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Frankfurt am Main Airport to Idaho is February, when tickets cost $696 (return) on average. On the other hand, the most expensive months are January and August, when the average cost of round-trip tickets is $1,225 and $943 respectively.

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Good to know

Low seasonMarch
Cheapest flight$451
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Frankfurt am Main to Spokane

FAQs - booking Idaho flights

  • How does KAYAK find such low prices on flights from Frankfurt am Main to Idaho?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Frankfurt am Main to Idaho.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Frankfurt am Main to Idaho?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Frankfurt am Main to Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Frankfurt am Main to Idaho?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Frankfurt am Main to Idaho with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Frankfurt am Main to Idaho?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Frankfurt am Main to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Idaho?

    The cheapest time of day to fly to Idaho is generally in the afternoon, when round-trip flights cost $744 on average. The most expensive time of day to fly to Idaho is generally in the morning, which is peak travel time and where the average cost of a ticket is $840.

Reviews of the top airline flying from Frankfurt am Main to Idaho

 
See real verified KAYAK customer reviews for airlines flying from Frankfurt am Main to Idaho. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Frankfurt am Main to Idaho? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8928 reviews
7.7Boarding
8.1Crew
7.1Entertainment
6.6Food
7.3Comfort
Airline reviews

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

6.0 GoodMarydoug, Aug 2025SJC - DEN
Read more United Airlines reviews

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

There was no food available for this red eye... one little waffle cookie for a 6+ hour flight... thank God I was able to sleep some

It is clear that someone knew, and competent, is in charge of food at United Airlines at least for the international flights. I was flying in coach, but the choices of the dinner were excellent. Tasty, and appropriate size. I had the beef, which was a little bit like a shepherds pie, and it was good. Nothing comparable has been served on a United flight in years. It will not be confused with three star food, but it is very good for airline food. Even better was the breakfast choice between a cinnamon roll and a breakfast sandwich. I chose the breakfast sandwich which was absolutely delicious and which I would happily order again at my local Starbucks or Panera. It is clear that someone knew indifferent is in charge of the food and it’s about time.

The flight was comfortable with the exit row and great service

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

For both flights I requested a gluten free meal, they didn’t have one nor were there other options.

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Inoperable monitor left no entert for 9 hours. Crew was not helpful Food was awful.

The food and sitting need improvements. They were extremely bad.. If you choose to recline, there is no room for the passenger behind you. This is one of the worst sitting arrangements that I ever experience. The aircraft was not properly clean before boarding.

Had one staff that was not pleasant. Seems they are stressed with too many people to care for.

Everything you need to know for your flight from Frankfurt am Main to Idaho

Information on your arrival and departure airports

Frankfurt am Main (FRA)

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