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Cheap flights from Boise to Key West from $581

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Key West departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:21 am - 4:54 pm
BOI
-
EYW
8h 33m
1 stop
American Airlines Logo
1:01 pm - 10:46 pm
EYW
-
BOI
11h 45m
2 stops
$581American Airlines
Tue, Jul 21 - Wed, Jul 29
Delta Logo
6:00 am - 7:51 pm
BOI
-
EYW
11h 51m
2 stops
Delta Logo
2:24 pm - 9:57 pm
EYW
-
BOI
9h 33m
1 stop
$619Delta
Tue, Jul 21 - Thu, Jul 30
Delta Logo
6:00 am - 7:51 pm
BOI
-
EYW
11h 51m
2 stops
Delta Logo
7:50 am - 10:58 pm
EYW
-
BOI
17h 08m
2 stops
$631Delta
Tue, Jul 21 - Thu, Jul 30
Delta Logo
11:10 pm - 11:00 am
BOI
-
EYW
9h 50m
1 stop
Delta Logo
2:24 pm - 9:57 pm
EYW
-
BOI
9h 33m
1 stop
$635Delta
Mon, Jul 20 - Thu, Jul 30
Delta Logo
6:00 am - 7:51 pm
BOI
-
EYW
11h 51m
2 stops
Delta Logo
6:18 pm - 9:29 am
EYW
-
BOI
17h 11m
2 stops
$642Delta
Tue, Jul 21 - Wed, Jul 29
Delta Logo
11:10 pm - 11:00 am
BOI
-
EYW
9h 50m
1 stop
Delta Logo
7:50 am - 10:58 pm
EYW
-
BOI
17h 08m
2 stops
$647Delta
Mon, Jul 20 - Thu, Jul 30
Delta Logo
6:00 am - 7:51 pm
BOI
-
EYW
11h 51m
2 stops
Delta Logo
2:24 pm - 9:57 pm
EYW
-
BOI
9h 33m
1 stop
$651Delta
Tue, Jul 21 - Fri, Jul 31
Delta Logo
11:10 pm - 11:00 am
BOI
-
EYW
9h 50m
1 stop
Delta Logo
6:18 pm - 9:29 am
EYW
-
BOI
17h 11m
2 stops
$658Delta
Mon, Jul 20 - Wed, Jul 29
American Airlines Logo
6:33 pm - 12:14 pm
BOI
-
EYW
15h 41m
2 stops
American Airlines Logo
1:01 pm - 10:46 pm
EYW
-
BOI
11h 45m
2 stops
$665American Airlines
Sat, Jul 18 - Wed, Jul 29
Delta Logo
11:10 pm - 11:00 am
BOI
-
EYW
9h 50m
1 stop
Delta Logo
2:24 pm - 9:57 pm
EYW
-
BOI
9h 33m
1 stop
$667Delta
Mon, Jul 20 - Fri, Jul 31

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American Airlines flights from Boise to Key West

Our best American Airlines deals on Boise to Key West flight tickets
American Airlines
Jul 10
BOI6:21 amBoise Air Term. Gowen Fld
8h 33m
1 stop
EYW4:54 pmKey West
Jul 14
EYW11:28 amKey West
13h 53m
2 stops
BOI11:21 pmBoise Air Term. Gowen Fld
$678
American Airlines
Jul 10
BOI5:20 pmBoise Air Term. Gowen Fld
15h 38m
2 stops
EYW10:58 amKey West
Jul 14
EYW11:28 amKey West
13h 53m
2 stops
BOI11:21 pmBoise Air Term. Gowen Fld
$822
American Airlines
Jul 14
BOI6:21 amBoise Air Term. Gowen Fld
8h 33m
1 stop
EYW4:54 pmKey West
Jul 18
EYW2:21 pmKey West
10h 50m
2 stops
BOI11:11 pmBoise Air Term. Gowen Fld
$847

Delta flights from Boise to Key West

Our best Delta deals on Boise to Key West flight tickets
Delta
Jul 26
BOI11:10 pmBoise Air Term. Gowen Fld
9h 50m
1 stop
EYW11:00 amKey West
Aug 2
EYW2:24 pmKey West
9h 33m
1 stop
BOI9:57 pmBoise Air Term. Gowen Fld
$891
Delta
Jul 10
BOI11:10 pmBoise Air Term. Gowen Fld
9h 40m
1 stop
EYW10:50 amKey West
Jul 14
EYW2:24 pmKey West
9h 33m
1 stop
BOI9:57 pmBoise Air Term. Gowen Fld
$911

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 28, 2026.
Use the filters below to find and compare flights from Boise to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 7/21

6:21 am-4:54 pm

1 stop8h 33m

Key West

Wed 7/29

1:01 pm-10:46 pm

2 stops11h 45m

$581

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 7/21

6:00 am-7:51 pm

2 stops11h 51m

Key West

Thu 7/30

2:24 pm-9:57 pm

1 stop9h 33m

$619

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 7/21

6:00 am-7:51 pm

2 stops11h 51m

Key West

Thu 7/30

7:50 am-10:58 pm

2 stops17h 08m

$631
Quickest round-trip

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 7/20

11:10 pm-11:00 am

1 stop9h 50m

Key West

Thu 7/30

2:24 pm-9:57 pm

1 stop9h 33m

$635

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 7/21

6:00 am-7:51 pm

2 stops11h 51m

Key West

Wed 7/29

6:18 pm-9:29 am

2 stops17h 11m

$642

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 7/20

11:10 pm-11:00 am

1 stop9h 50m

Key West

Thu 7/30

7:50 am-10:58 pm

2 stops17h 08m

$647

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 7/21

6:00 am-7:51 pm

2 stops11h 51m

Key West

Fri 7/31

2:24 pm-9:57 pm

1 stop9h 33m

$651

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 7/20

11:10 pm-11:00 am

1 stop9h 50m

Key West

Wed 7/29

6:18 pm-9:29 am

2 stops17h 11m

$658

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sat 7/18

6:33 pm-12:14 pm

2 stops15h 41m

Key West

Wed 7/29

1:01 pm-10:46 pm

2 stops11h 45m

$665

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 7/20

11:10 pm-11:00 am

1 stop9h 50m

Key West

Fri 7/31

2:24 pm-9:57 pm

1 stop9h 33m

$667

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Boise to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Key West (BOI to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Key West

Fastest flight time

8h 25m

Direct flights

None
The fastest flight from Boise to Key West takes 8h 25m
There are no direct flights from Boise to Key West. There are no popular flight routes from Boise to Key West.
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Frequently asked questions about flying from Boise to Key West

  • How far is Boise Air Term. Gowen Fld to Key West by plane?

    The distance between Boise Air Term. Gowen Fld and Key West is about 2340.7 mi. 8h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Key West Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Key West Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Key West Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boise to Key West?

Best airlines flying from Boise to Key West

Compare and see reviews for airlines that fly from Boise to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $467Free CancellationRating
7.1
11,774 reviews
Search American Airlines flights

Frequently asked questions about flying from Boise to Key West

  • How do I get Price Alerts for flights from Boise to Key West?

    Price Alerts will notify you by email when the price for flights to Key West from Boise decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Boise to Key West with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Key West?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boise to Key West. momondo saves you time and could save you money on your trip.

Can I find flights from Boise to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boise to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Boise to Key West?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boise to Key West.

I’m not ready to book a flight from Boise to Key West right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Key West from Boise. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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