$397 Cheap Flights from Boise (BOI) to Frankfurt (FRA)

View $397 flight on Sun, Nov 16, 2025Opens in a new window

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

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Cheap Flights from Boise to Frankfurt (BOI-FRA)

Prices were available within the past 7 days and start at $397 for one-way flights and $557 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Mar 3 - Tue, Mar 10
BOI
Boise
FRA
Frankfurt
$557 Roundtrip, found 3 days ago
$557
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Mar 3 from Boise to Frankfurt, returning Tue, Mar 10, priced at $557 found 3 days ago
Iberia
Wed, Nov 5 - Thu, Nov 13
BOI
Boise
FRA
Frankfurt
$557 Roundtrip, found 5 days ago
$557
Roundtrip
found 5 days ago
Select Iberia flight, departing Wed, Nov 5 from Boise to Frankfurt, returning Thu, Nov 13, priced at $557 found 5 days ago
Iberia
Mon, Nov 10 - Wed, Nov 26
BOI
Boise
FRA
Frankfurt
$557 Roundtrip, found 2 days ago
$557
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Nov 10 from Boise to Frankfurt, returning Wed, Nov 26, priced at $557 found 2 days ago
Iberia
Sun, Nov 16 - Tue, Jan 20
BOI
Boise
FRA
Frankfurt
$575 Roundtrip, found 14 hours ago
$575
Roundtrip
found 14 hours ago
Select Iberia flight, departing Sun, Nov 16 from Boise to Frankfurt, returning Tue, Jan 20, priced at $575 found 14 hours ago
Lufthansa
Wed, Dec 31 - Tue, Jan 13
BOI
Boise
FRA
Frankfurt
$590 Roundtrip, found 2 days ago
$590
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Dec 31 from Boise to Frankfurt, returning Tue, Jan 13, priced at $590 found 2 days ago
Air Canada
Sun, Nov 16 - Tue, Jan 13
BOI
Boise
FRA
Frankfurt
$591 Roundtrip, found 14 hours ago
$591
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Sun, Nov 16 from Boise to Frankfurt, returning Tue, Jan 13, priced at $591 found 14 hours ago
Air Canada
Wed, Dec 31 - Tue, Jan 13
BOI
Boise
FRA
Frankfurt
$597 Roundtrip, found 2 days ago
$597
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Dec 31 from Boise to Frankfurt, returning Tue, Jan 13, priced at $597 found 2 days ago
United
Tue, Mar 3 - Tue, Mar 10
BOI
Boise
FRA
Frankfurt
$603 Roundtrip, found 3 days ago
$603
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from Boise to Frankfurt, returning Tue, Mar 10, priced at $603 found 3 days ago
Delta
Sun, Dec 28 - Thu, Jan 15
BOI
Boise
FRA
Frankfurt
$606 Roundtrip, found 4 days ago
$606
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Dec 28 from Boise to Frankfurt, returning Thu, Jan 15, priced at $606 found 4 days ago
Lufthansa
Sun, Nov 16 - Tue, Jan 20
BOI
Boise
FRA
Frankfurt
$607 Roundtrip, found 14 hours ago
$607
Roundtrip
found 14 hours ago
Select Lufthansa flight, departing Sun, Nov 16 from Boise to Frankfurt, returning Tue, Jan 20, priced at $607 found 14 hours ago

Find the cheapest month to fly from Boise (BOI) to Frankfurt (FRA)

October is typically the cheapest month to fly

From $480 - $1,517 per traveler.

Alternative airports near Frankfurt

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Frankfurt Intl. FRA. Cheapest option available. Average driving time to city center is 12 minutes. Flights from $657
FRA
Frankfurt Intl.
Cheapest
Average driving time to city center12 min
Flights from $657

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA) cost?
Lock in a cheap one-way flight from $397 or cheap return flight from $557 from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA)?
March is the cheapest month to fly from BOI to FRA. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Boise Airport (BOI) to Frankfurt Intl. Airport (FRA)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from BOI to FRA. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
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.

Travel information

Origin airport
Boise
Destination airport
Frankfurt Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Condor, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic
Roundtrip price
$556
Distance
5164 mi

Book with confidence

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 March. 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 $397 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.

 

Boise to Frankfurt Flights

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*Available to One Key members.