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

Delta is the most popular carrier operating from Idaho to Key West

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 29m and 21h 45m, respectively.

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 August 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.

$200 Cheap Flights from Idaho to Key West in 2025

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Find the cheapest flights from Idaho to Key West

Round-trip

One-way

Cheap round-trip flights

5:20 pm - 12:10 pmBOI-EYW

16h 50m2 stops

2:32 pm - 7:53 pmEYW-BOI

7h 21m1 stop

$412American Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

5:22 pm - 11:13 amBOI-EYW

15h 51m2 stops

11:25 am - 9:48 pmEYW-BOI

12h 23m2 stops

$424American Airlines

Find Deal

Sun, Sep 7 - Sat, Sep 13

5:20 pm - 12:10 pmBOI-EYW

16h 50m2 stops

11:22 am - 7:53 pmEYW-BOI

10h 31m2 stops

$482American Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

5:30 am - 5:12 pmBOI-EYW

9h 42m2 stops

7:00 am - 4:57 pmEYW-BOI

11h 57m2 stops

$499Delta

Find Deal

Sat, Aug 23 - Wed, Aug 27

5:00 am - 8:12 pmGEG-EYW

12h 12m2 stops

7:00 am - 11:35 amEYW-GEG

7h 35m1 stop

$503Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

5:30 am - 5:12 pmBOI-EYW

9h 42m2 stops

7:00 am - 12:35 pmEYW-BOI

7h 35m1 stop

$504Delta

Find Deal

Sat, Aug 23 - Wed, Aug 27

7:00 am - 4:08 pmBOI-EYW

7h 08m1 stop

2:32 pm - 7:53 pmEYW-BOI

7h 21m1 stop

$512American Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

2:44 pm - 2:29 pmBOI-EYW

21h 45m2 stops

4:00 pm - 9:36 pmEYW-BOI

31h 36m2 stops

$590United Airlines

Find Deal

Mon, Oct 20 - Mon, Oct 27

2:44 pm - 2:29 pmBOI-EYW

21h 45m2 stops

4:00 pm - 11:39 amEYW-BOI

21h 39m1 stop

$594United Airlines

Find Deal

Mon, Oct 20 - Mon, Oct 27

2:44 pm - 2:29 pmBOI-EYW

21h 45m2 stops

3:05 pm - 1:44 pmEYW-BOI

24h 39m3 stops

$700United Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

American Airlines flights from Idaho to Key West

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

American Airlines

Oct 24

BOI5:20 pmBoise Air Term. Gowen Fld

16h 50m

2 stops

EYW12:10 pmKey West

Oct 31

EYW2:32 pmKey West

7h 21m

1 stop

BOI7:53 pmBoise Air Term. Gowen Fld

$412

Find similar

American Airlines

Sep 7

BOI5:22 pmBoise Air Term. Gowen Fld

15h 51m

2 stops

EYW11:13 amKey West

Sep 13

EYW11:25 amKey West

12h 23m

2 stops

BOI9:48 pmBoise Air Term. Gowen Fld

$424

Find similar

American Airlines

Oct 24

BOI5:20 pmBoise Air Term. Gowen Fld

16h 50m

2 stops

EYW12:10 pmKey West

Oct 31

EYW11:22 amKey West

10h 31m

2 stops

BOI7:53 pmBoise Air Term. Gowen Fld

$482

Find similar

United Airlines flights from Idaho to Key West

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

United Airlines

Oct 20

BOI2:44 pmBoise Air Term. Gowen Fld

21h 45m

2 stops

EYW2:29 pmKey West

Oct 27

EYW4:00 pmKey West

31h 36m

2 stops

BOI9:36 pmBoise Air Term. Gowen Fld

$590

Find similar

United Airlines

Oct 20

BOI2:44 pmBoise Air Term. Gowen Fld

21h 45m

2 stops

EYW2:29 pmKey West

Oct 27

EYW4:00 pmKey West

21h 39m

1 stop

BOI11:39 amBoise Air Term. Gowen Fld

$594

Find similar

United Airlines

Oct 24

BOI2:44 pmBoise Air Term. Gowen Fld

21h 45m

2 stops

EYW2:29 pmKey West

Oct 31

EYW3:05 pmKey West

24h 39m

3 stops

BOI1:44 pmBoise Air Term. Gowen Fld

$700

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 10/24

5:20 pm-12:10 pm

2 stops16h 50m

Key West

Fri 10/31

2:32 pm-7:53 pm

1 stop7h 21m

$412

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 9/7

5:22 pm-11:13 am

2 stops15h 51m

Key West

Sat 9/13

11:25 am-9:48 pm

2 stops12h 23m

$424

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 10/24

5:20 pm-12:10 pm

2 stops16h 50m

Key West

Fri 10/31

11:22 am-7:53 pm

2 stops10h 31m

$482

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sat 8/23

5:30 am-5:12 pm

2 stops9h 42m

Key West

Wed 8/27

7:00 am-4:57 pm

2 stops11h 57m

$499

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Sat 8/23

5:00 am-8:12 pm

2 stops12h 12m

Key West

Tue 8/26

7:00 am-11:35 am

1 stop7h 35m

$503

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sat 8/23

5:30 am-5:12 pm

2 stops9h 42m

Key West

Wed 8/27

7:00 am-12:35 pm

1 stop7h 35m

$504

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 10/24

7:00 am-4:08 pm

1 stop7h 08m

Key West

Fri 10/31

2:32 pm-7:53 pm

1 stop7h 21m

$512

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 10/20

2:44 pm-2:29 pm

2 stops21h 45m

Key West

Mon 10/27

4:00 pm-9:36 pm

2 stops31h 36m

$590

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 10/20

2:44 pm-2:29 pm

2 stops21h 45m

Key West

Mon 10/27

4:00 pm-11:39 am

1 stop21h 39m

$594

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 10/24

2:44 pm-2:29 pm

2 stops21h 45m

Key West

Fri 10/31

3:05 pm-1:44 pm

3 stops24h 39m

$700

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

Best Price Found	$200
Fastest flight time	7h 08m
Direct flights	None
Airports in Key West	1 airport

The best one-way flight to Key West from Idaho in the past 72 hours is $200. The best round-trip flight deal from Idaho to Key West found on momondo in the last 72 hours is $412.

The fastest flight from Idaho to Key West takes 7h 08m

There are no direct flights from Idaho to Key West. Popular non-direct routes for this connection are Boise Air Term. Gowen Fld Airport - Key West Airport, Spokane Airport - Key West Airport and Hailey Sun Valley-Friedman Airport - Key West Airport.

There is 1 airport near Key West: Key West (EYW)

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 August 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 10,000 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.