Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boise to Key West from $535

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 6/5. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boise to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:39 pm - 10:53 am
BOI
-
EYW
9h 14m
1 stop
Delta Logo
2:28 pm - 10:35 pm
EYW
-
BOI
10h 07m
1 stop
$535Delta
Fri, Jun 5 - Fri, Jun 12
Delta Logo
11:39 pm - 10:53 am
BOI
-
EYW
9h 14m
1 stop
Delta Logo
2:28 pm - 12:09 am
EYW
-
BOI
11h 41m
2 stops
$692Delta
Fri, Jun 5 - Fri, Jun 12
Delta Logo
11:42 pm - 11:00 am
BOI
-
EYW
9h 18m
1 stop
Delta Logo
11:56 am - 11:46 pm
EYW
-
BOI
13h 50m
2 stops
$722Delta
Sun, Jul 26 - Sun, Aug 2
Delta Logo
11:42 pm - 11:00 am
BOI
-
EYW
9h 18m
1 stop
Delta Logo
11:56 am - 11:46 pm
EYW
-
BOI
13h 50m
2 stops
$727Delta
Sun, Jul 26 - Sun, Aug 2
Delta Logo
6:42 pm - 11:00 am
BOI
-
EYW
14h 18m
2 stops
Delta Logo
11:56 am - 11:46 pm
EYW
-
BOI
13h 50m
2 stops
$728Delta
Sun, Jul 26 - Sun, Aug 2
Delta Logo
6:42 pm - 11:00 am
BOI
-
EYW
14h 18m
2 stops
Delta Logo
11:56 am - 11:46 pm
EYW
-
BOI
13h 50m
2 stops
$732Delta
Sun, Jul 26 - Sun, Aug 2
Delta Logo
11:42 pm - 11:00 am
BOI
-
EYW
9h 18m
1 stop
Delta Logo
11:56 am - 11:51 pm
EYW
-
BOI
13h 55m
2 stops
$770Delta
Sun, Jul 26 - Sun, Aug 2
Delta Logo
11:39 pm - 10:53 am
BOI
-
EYW
9h 14m
1 stop
Delta Logo
7:50 am - 4:17 pm
EYW
-
BOI
10h 27m
2 stops
$796Delta
Wed, Jun 3 - Sat, Jun 13
Delta Logo
11:42 pm - 11:00 am
BOI
-
EYW
9h 18m
1 stop
Delta Logo
2:24 pm - 10:32 pm
EYW
-
BOI
10h 08m
1 stop
$837Delta
Sun, Jul 26 - Sun, Aug 2
Delta Logo
11:42 pm - 11:00 am
BOI
-
EYW
9h 18m
1 stop
Delta Logo
2:24 pm - 10:32 pm
EYW
-
BOI
10h 08m
1 stop
$842Delta
Sun, Jul 26 - Sun, Aug 2

Delta flights from Boise to Key West

Our best Delta deals on Boise to Key West flight tickets
Delta
Jun 5
BOI11:39 pmBoise Air Term. Gowen Fld
9h 14m
1 stop
EYW10:53 amKey West
Jun 12
EYW2:28 pmKey West
10h 07m
1 stop
BOI10:35 pmBoise Air Term. Gowen Fld
$535
Delta
Jun 5
BOI11:39 pmBoise Air Term. Gowen Fld
9h 14m
1 stop
EYW10:53 amKey West
Jun 12
EYW2:28 pmKey West
11h 41m
2 stops
BOI12:09 amBoise Air Term. Gowen Fld
$692
Delta
Jul 26
BOI11:42 pmBoise Air Term. Gowen Fld
9h 18m
1 stop
EYW11:00 amKey West
Aug 2
EYW11:56 amKey West
13h 50m
2 stops
BOI11:46 pmBoise Air Term. Gowen Fld
$722

American Airlines flights from Boise to Key West

Our best American Airlines deals on Boise to Key West flight tickets
American Airlines
Jul 26
BOI3:10 pmBoise Air Term. Gowen Fld
22h 33m
1 stop
EYW3:43 pmKey West
Aug 2
EYW2:21 pmKey West
22h 59m
1 stop
BOI11:20 amBoise Air Term. Gowen Fld
$851
American Airlines
Jul 26
BOI3:10 pmBoise Air Term. Gowen Fld
22h 33m
1 stop
EYW3:43 pmKey West
Aug 2
EYW2:21 pmKey West
22h 59m
1 stop
BOI11:20 amBoise Air Term. Gowen Fld
$856
American Airlines
Jun 5
BOI5:40 pmBoise Air Term. Gowen Fld
16h 36m
2 stops
EYW12:16 pmKey West
Jun 12
EYW11:28 amKey West
13h 43m
2 stops
BOI11:11 pmBoise Air Term. Gowen Fld
$877

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 May 10, 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
Quickest round-trip

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 6/5

11:39 pm-10:53 am

1 stop9h 14m

Key West

Fri 6/12

2:28 pm-10:35 pm

1 stop10h 07m

$535

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 6/5

11:39 pm-10:53 am

1 stop9h 14m

Key West

Fri 6/12

2:28 pm-12:09 am

2 stops11h 41m

$692

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

11:42 pm-11:00 am

1 stop9h 18m

Key West

Sun 8/2

11:56 am-11:46 pm

2 stops13h 50m

$722

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

11:42 pm-11:00 am

1 stop9h 18m

Key West

Sun 8/2

11:56 am-11:46 pm

2 stops13h 50m

$727

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

6:42 pm-11:00 am

2 stops14h 18m

Key West

Sun 8/2

11:56 am-11:46 pm

2 stops13h 50m

$728

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

6:42 pm-11:00 am

2 stops14h 18m

Key West

Sun 8/2

11:56 am-11:46 pm

2 stops13h 50m

$732

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

11:42 pm-11:00 am

1 stop9h 18m

Key West

Sun 8/2

11:56 am-11:51 pm

2 stops13h 55m

$770

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Wed 6/3

11:39 pm-10:53 am

1 stop9h 14m

Key West

Sat 6/13

7:50 am-4:17 pm

2 stops10h 27m

$796

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

11:42 pm-11:00 am

1 stop9h 18m

Key West

Sun 8/2

2:24 pm-10:32 pm

1 stop10h 08m

$837

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

11:42 pm-11:00 am

1 stop9h 18m

Key West

Sun 8/2

2:24 pm-10:32 pm

1 stop10h 08m

$842

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Key West from

How to get the cheapest flight ticket from Boise to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from Boise to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Key West during the month of September, then departing from Boise during the month May is also very affordable. Most momondo users find prices during this month for around $0.

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

9h 14m

Direct flights

None
The fastest flight from Boise to Key West takes 9h 14m
There are no direct flights from Boise to Key West. There are no popular flight routes from Boise to Key West.
Search flight deals

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. 9h 14m 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 $308Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights

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.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/9
Tue 6/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States