$366 Cheap Flights from Boise (BOI) to Frankfurt (FRA)

Popular airlines from Boise Airport (BOI) to Frankfurt Airport (FRA)

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Find available prices by choosing your travel dates.

Cheap Flights from Boise to Frankfurt (BOI-FRA)

Prices were available within the past 7 days and start at $366 for one-way flights and $532 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
United
Lufthansa
Iberia
Air Canada
American Airlines
Delta
Scandinavian Airlines
Flights from Boise (BOI) to Frankfurt (FRA)
Origin airport
Boise
Destination airport
Frankfurt Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Condor, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic
Roundtrip price
$532
Distance
5164 mi

Boise to Frankfurt Flights

The cheapest times to fly from Boise to Frankfurt

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boise to Frankfurt are during the month of October. You can find some of the cheapest flights from Boise to Frankfurt with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boise to Frankfurt

Sunday is one of the best days to book for cheap flights from Boise to Frankfurt: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boise to Frankfurt

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boise to Frankfurt in 2025. You can also book with separate airlines for your outbound and return journeys, from $366 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boise to Frankfurt flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boise to Frankfurt airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA) cost?
Discover the latest flight deals from BOI to FRA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOI to FRA?
The cheapest flights from BOI to FRA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BOI to FRA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BOI to FRA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA)?
You’ll have to take a flight with a layover when traveling from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA). Direct flights don’t operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BOI to FRA?
Typically you’ll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA)?
Opt for a flight from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA) last-minute?
Holding off until just before your departure to book a flight from BOI to FRA generally means paying more. While it’s possible to find some last-minute discounts, they aren’t always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a BOI to FRA flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOI to FRA flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one convenient place will take the hassle out of travel planning. Just secure your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA)?
It’s usually possible to cancel or reschedule your BOI to FRA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.