$197 Cheap Flights from Key West (EYW) to Boise (BOI)

View $197 flight on Tue, Mar 3, 2026Opens in a new window

Popular airlines from Key West Intl. Airport (EYW) to Boise Airport (BOI)

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Cheap Flights from Key West to Boise (EYW-BOI)

Prices were available within the past 7 days and start at $197 for one-way flights and $811 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$811 Roundtrip, found 2 days ago
$811
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $811 found 2 days ago
American Airlines
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$842 Roundtrip, found 2 days ago
$842
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $842 found 2 days ago
United
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$851 Roundtrip, found 2 days ago
$851
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $851 found 2 days ago
American Airlines
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$861 Roundtrip, found 2 days ago
$861
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $861 found 2 days ago
United
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$878 Roundtrip, found 2 days ago
$878
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $878 found 2 days ago
American Airlines
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$892 Roundtrip, found 2 days ago
$892
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $892 found 2 days ago
American Airlines
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$903 Roundtrip, found 2 days ago
$903
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $903 found 2 days ago
American Airlines
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$934 Roundtrip, found 2 days ago
$934
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $934 found 2 days ago
United
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$941 Roundtrip, found 2 days ago
$941
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $941 found 2 days ago
Delta
Sat, Apr 4 - Thu, Apr 9
EYW
Key West
BOI
Boise
$947 Roundtrip, found 2 days ago
$947
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Apr 4 from Key West to Boise, returning Thu, Apr 9, priced at $947 found 2 days ago
Flights from Key West (EYW) to Boise (BOI)
Origin airport
Key West Intl.
Destination airport
Boise
Roundtrip price
$810
Distance
2343 mi

Key West to Boise Flights

The cheapest times to fly from Key West to Boise

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 Key West to Boise are during the month of April. You can find some of the cheapest flights from Key West to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Key West to Boise

Sunday is one of the best days to book for cheap flights from Key West to Boise: 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 Key West to Boise

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 Key West to Boise in 2026. You can also book with separate airlines for your outbound and return journeys, from $197 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 Key West to Boise 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 Key West to Boise 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 Key West Intl. Airport (EYW) to Boise Airport (BOI) cost?
Lock in a cheap one-way flight from $197 or cheap return flight from $811 from Key West Intl. Airport (EYW) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Key West Intl. Airport (EYW) to Boise Airport (BOI)?
Flying in April is a great way to save, as it's the cheapest month for flights between EYW and BOI. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Key West Intl. Airport (EYW) to Boise Airport (BOI)?
To find the cheapest airline that'll fly you from EYW to BOI, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Key West Intl. Airport (EYW) to Boise Airport (BOI)?
You'll need to catch a flight with a layover if you're traveling from Key West Intl. Airport (EYW) to Boise Airport (BOI). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from EYW to BOI?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Key West Intl. Airport (EYW) to Boise Airport (BOI)?
To reach Boise Airport (BOI) on schedule, select a flight that leaves Key West Intl. Airport (EYW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Key West Intl. Airport (EYW) to Boise Airport (BOI) last-minute?
Booking your flight from EYW to BOI just before your getaway is typically more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an EYW to BOI flight and hotel package?
Compared with arranging hotels and flights separately, booking an EYW to BOI flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Key West Intl. Airport (EYW) to Boise Airport (BOI)?
Typically, you can cancel or modify your EYW to BOI flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more information, head to our Customer Service portal.

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*Available to One Key members.