How long does it take to fly to Key West?

If you’re flying from a popular airport in Idaho, such as Boise or Hailey, and flying into Key West, then you can expect flight times to average 9h 10m and 25h 39m, respectively.

What is the cheapest airline that flies from Idaho to Key West?

American Airlines is the most popular carrier operating from Idaho to Key West

When did momondo last update prices for flights from Idaho to Key West Airport?

Prices for flights from Idaho to Key West Airport refresh daily.

How many operators does momondo search for flights from Idaho to Key West Airport?

The number of operators available for flights from Idaho to Key West Airport is 1 as of December 2025.

How old do you have to be to fly from Idaho 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 Idaho to Key West Airport.

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

The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$171 Cheap Flights from Idaho to Key West in 2025/26

1 adult

0 bags

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Find the cheapest flights from Idaho to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 4:19 pm

BOI

EYW

7h 19m1 stop

2:40 pm - 10:36 pm

EYW

BOI

9h 56m1 stop

$329American Airlines

Tue, Mar 3 - Tue, Mar 10

6:41 am - 10:54 pm

BOI

EYW

14h 13m2 stops

2:40 pm - 10:36 pm

EYW

BOI

9h 56m1 stop

$334American Airlines

Tue, Mar 3 - Tue, Mar 10

5:51 am - 4:19 pm

GEG

EYW

7h 28m1 stop

6:45 am - 4:54 pm

EYW

GEG

13h 09m2 stops

$334American Airlines

Tue, Mar 3 - Tue, Mar 10

7:00 am - 10:23 pm

BOI

EYW

13h 23m2 stops

2:40 pm - 11:38 pm

EYW

BOI

10h 58m2 stops

$339American Airlines

Tue, Mar 3 - Tue, Mar 10

5:51 am - 10:54 pm

GEG

EYW

14h 03m2 stops

2:40 pm - 11:10 pm

EYW

GEG

11h 30m2 stops

$339American Airlines

Tue, Mar 3 - Tue, Mar 10

7:20 am - 4:24 pm

BOI

EYW

7h 04m1 stop

6:45 am - 6:32 pm

EYW

BOI

13h 47m2 stops

$364American Airlines

Mon, Feb 2 - Thu, Feb 12

7:05 pm - 11:26 am

BOI

EYW

14h 21m2 stops

4:15 pm - 10:57 pm

EYW

BOI

8h 42m1 stop

$394United Airlines

Fri, Jan 9 - Tue, Jan 13

12:43 pm - 4:22 pm

SUN

EYW

25h 39m2 stops

12:22 pm - 9:29 pm

EYW

SUN

11h 07m2 stops

$644United Airlines

Wed, Jan 28 - Sat, Jan 31

12:43 pm - 3:17 pm

SUN

EYW

24h 34m1 stop

12:22 pm - 9:29 pm

EYW

SUN

11h 07m2 stops

$684United Airlines

Wed, Jan 28 - Sat, Jan 31

5:15 am - 7:40 pm

GEG

EYW

11h 25m2 stops

2:45 pm - 11:21 pm

EYW

GEG

11h 36m2 stops

$724Delta

Wed, Jan 7 - Mon, Jan 12

United Airlines flights from Idaho to Key West

Our best United Airlines deals on Idaho to Key West flight tickets

United Airlines

Jan 9

BOI7:05 pmBoise Air Term. Gowen Fld

14h 21m

2 stops

EYW11:26 amKey West

Jan 13

EYW4:15 pmKey West

8h 42m

1 stop

BOI10:57 pmBoise Air Term. Gowen Fld

$394

Find similar

United Airlines

Jan 24

BOI10:15 amBoise Air Term. Gowen Fld

24h 48m

2 stops

EYW1:03 pmKey West

Jan 28

EYW6:05 pmKey West

18h 01m

2 stops

BOI10:06 amBoise Air Term. Gowen Fld

$548

Find similar

United Airlines

Jan 31

BOI7:45 amBoise Air Term. Gowen Fld

27h 18m

2 stops

EYW1:03 pmKey West

Feb 4

EYW4:15 pmKey West

8h 42m

1 stop

BOI10:57 pmBoise Air Term. Gowen Fld

$550

Find similar

American Airlines flights from Idaho to Key West

Our best American Airlines deals on Idaho to Key West flight tickets

American Airlines

Mar 3

BOI7:00 amBoise Air Term. Gowen Fld

7h 19m

1 stop

EYW4:19 pmKey West

Mar 10

EYW2:40 pmKey West

9h 56m

1 stop

BOI10:36 pmBoise Air Term. Gowen Fld

$329

Find similar

American Airlines

Mar 3

BOI6:41 amBoise Air Term. Gowen Fld

14h 13m

2 stops

EYW10:54 pmKey West

Mar 10

EYW2:40 pmKey West

9h 56m

1 stop

BOI10:36 pmBoise Air Term. Gowen Fld

$334

Find similar

American Airlines

Mar 3

GEG5:51 amSpokane

14h 03m

2 stops

EYW10:54 pmKey West

Mar 10

EYW2:40 pmKey West

11h 30m

2 stops

GEG11:10 pmSpokane

$339

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 3/3

7:00 am-4:19 pm

1 stop7h 19m

Key West

Tue 3/10

2:40 pm-10:36 pm

1 stop9h 56m

$329

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 3/3

6:41 am-10:54 pm

2 stops14h 13m

Key West

Tue 3/10

2:40 pm-10:36 pm

1 stop9h 56m

$334

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 3/3

5:51 am-4:19 pm

1 stop7h 28m

Key West

Tue 3/10

6:45 am-4:54 pm

2 stops13h 09m

$334

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 3/3

7:00 am-10:23 pm

2 stops13h 23m

Key West

Tue 3/10

2:40 pm-11:38 pm

2 stops10h 58m

$339

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 3/3

5:51 am-10:54 pm

2 stops14h 03m

Key West

Tue 3/10

2:40 pm-11:10 pm

2 stops11h 30m

$339

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 2/2

7:20 am-4:24 pm

1 stop7h 04m

Key West

Thu 2/12

6:45 am-6:32 pm

2 stops13h 47m

$364

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 1/9

7:05 pm-11:26 am

2 stops14h 21m

Key West

Tue 1/13

4:15 pm-10:57 pm

1 stop8h 42m

$394

HaileyKey West

SUN - EYW

SUNEYW

Hailey Sun Valley-Friedman

Wed 1/28

12:43 pm-4:22 pm

2 stops25h 39m

Key West

Sat 1/31

12:22 pm-9:29 pm

2 stops11h 07m

$644

HaileyKey West

SUN - EYW

SUNEYW

Hailey Sun Valley-Friedman

Wed 1/28

12:43 pm-3:17 pm

1 stop24h 34m

Key West

Sat 1/31

12:22 pm-9:29 pm

2 stops11h 07m

$684

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Wed 1/7

5:15 am-7:40 pm

2 stops11h 25m

Key West

Mon 1/12

2:45 pm-11:21 pm

2 stops11h 36m

$724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho 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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Idaho is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $511. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Key West for around $1,045.

Cheap Idaho to Key West flight deals and tips

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

Fastest flight time	9h 10m
Direct flights	None

The fastest flight from Idaho to Key West takes 9h 10m

There are no direct flights from Idaho to Key West. There are no popular flight routes from Idaho to Key West.

Search flight deals

When did momondo last update prices for flights from Idaho to Key West Airport?
Prices for flights from Idaho to Key West Airport refresh daily.
How many operators does momondo search for flights from Idaho to Key West Airport?
The number of operators available for flights from Idaho to Key West Airport is 1 as of December 2025.
How old do you have to be to fly from Idaho 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 Idaho to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Key West

Compare and see reviews for airlines that fly from Idaho to Key West with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 11,067 reviews		Search American Airlines flights

Big Pine Key

Little Torch Key

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Key West. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Idaho to Key West on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Key West from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Key West from Idaho. 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.