Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Idaho to Key West from $381

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Key West departing on 10/19. 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 Idaho to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:50 pm - 11:21 am
GEG
-
EYW
16h 31m
2 stops
American Airlines Logo
1:28 pm - 11:02 pm
EYW
-
GEG
12h 34m
2 stops
$555American Airlines
Wed, Sep 16 - Sat, Sep 19
American Airlines Logo
5:16 am - 7:06 pm
GEG
-
EYW
10h 50m
2 stops
American Airlines Logo
2:30 pm - 11:07 pm
EYW
-
GEG
11h 37m
2 stops
$602American Airlines
Thu, Jul 30 - Sun, Aug 9
American Airlines Logo
5:16 am - 7:06 pm
GEG
-
EYW
10h 50m
2 stops
American Airlines Logo
2:30 pm - 11:07 pm
EYW
-
GEG
11h 37m
2 stops
$678American Airlines
Thu, Jul 30 - Sun, Aug 9
American Airlines Logo
6:21 am - 4:54 pm
BOI
-
EYW
8h 33m
1 stop
American Airlines Logo
2:21 pm - 10:46 pm
EYW
-
BOI
10h 25m
2 stops
$680American Airlines
Sun, Jul 26 - Sun, Aug 2
American Airlines Logo
6:27 am - 4:52 pm
BOI
-
EYW
8h 25m
1 stop
American Airlines Logo
11:28 am - 11:21 pm
EYW
-
BOI
13h 53m
2 stops
$685American Airlines
Tue, Jun 30 - Fri, Jul 3
American Airlines Logo
5:16 am - 7:06 pm
GEG
-
EYW
10h 50m
2 stops
American Airlines Logo
4:58 pm - 1:37 pm
EYW
-
GEG
23h 39m
1 stop
$687American Airlines
Thu, Jul 30 - Sun, Aug 9
American Airlines Logo
5:25 am - 4:29 pm
GEG
-
EYW
8h 04m
1 stop
American Airlines Logo
2:39 pm - 8:55 pm
EYW
-
GEG
9h 16m
1 stop
$703American Airlines
Sun, Nov 1 - Mon, Nov 9
American Airlines Logo
6:32 am - 9:47 pm
GEG
-
EYW
12h 15m
2 stops
American Airlines Logo
2:39 pm - 8:55 pm
EYW
-
GEG
9h 16m
1 stop
$708American Airlines
Sun, Nov 1 - Mon, Nov 9
Delta Logo
11:45 pm - 11:02 am
BOI
-
EYW
9h 17m
1 stop
Delta Logo
2:28 pm - 10:35 pm
EYW
-
BOI
10h 07m
1 stop
$737Delta
Thu, Jun 11 - Mon, Jun 15
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
$855Delta
Sun, Jul 26 - Tue, Jul 28

Delta flights from Idaho to Key West

Our best Delta deals on Idaho to Key West flight tickets
Delta
Jun 11
BOI11:45 pmBoise Air Term. Gowen Fld
9h 17m
1 stop
EYW11:02 amKey West
Jun 15
EYW2:28 pmKey West
10h 07m
1 stop
BOI10:35 pmBoise Air Term. Gowen Fld
$737
Delta
Sep 16
GEG5:45 amSpokane
11h 00m
2 stops
EYW7:45 pmKey West
Sep 19
EYW7:00 amKey West
7h 24m
1 stop
GEG11:24 amSpokane
$853
Delta
Jul 26
BOI11:10 pmBoise Air Term. Gowen Fld
9h 50m
1 stop
EYW11:00 amKey West
Jul 28
EYW2:24 pmKey West
9h 33m
1 stop
BOI9:57 pmBoise Air Term. Gowen Fld
$855

American Airlines flights from Idaho to Key West

Our best American Airlines deals on Idaho to Key West flight tickets
American Airlines
Sep 16
GEG3:50 pmSpokane
16h 31m
2 stops
EYW11:21 amKey West
Sep 19
EYW1:28 pmKey West
12h 34m
2 stops
GEG11:02 pmSpokane
$555
American Airlines
Jul 30
GEG5:16 amSpokane
10h 50m
2 stops
EYW7:06 pmKey West
Aug 9
EYW2:30 pmKey West
11h 37m
2 stops
GEG11:07 pmSpokane
$602
American Airlines
Jul 30
GEG5:16 amSpokane
10h 50m
2 stops
EYW7:06 pmKey West
Aug 9
EYW2:30 pmKey West
11h 37m
2 stops
GEG11:07 pmSpokane
$678

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 27, 2026.
Use the filters below to find and compare flights from Idaho to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Wed 9/16

3:50 pm-11:21 am

2 stops16h 31m

Key West

Sat 9/19

1:28 pm-11:02 pm

2 stops12h 34m

$555

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Thu 7/30

5:16 am-7:06 pm

2 stops10h 50m

Key West

Sun 8/9

2:30 pm-11:07 pm

2 stops11h 37m

$602

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Thu 7/30

5:16 am-7:06 pm

2 stops10h 50m

Key West

Sun 8/9

2:30 pm-11:07 pm

2 stops11h 37m

$678

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

6:21 am-4:54 pm

1 stop8h 33m

Key West

Sun 8/2

2:21 pm-10:46 pm

2 stops10h 25m

$680

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Tue 6/30

6:27 am-4:52 pm

1 stop8h 25m

Key West

Fri 7/3

11:28 am-11:21 pm

2 stops13h 53m

$685

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Thu 7/30

5:16 am-7:06 pm

2 stops10h 50m

Key West

Sun 8/9

4:58 pm-1:37 pm

1 stop23h 39m

$687
Quickest round-trip

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Sun 11/1

5:25 am-4:29 pm

1 stop8h 04m

Key West

Mon 11/9

2:39 pm-8:55 pm

1 stop9h 16m

$703

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Sun 11/1

6:32 am-9:47 pm

2 stops12h 15m

Key West

Mon 11/9

2:39 pm-8:55 pm

1 stop9h 16m

$708

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Thu 6/11

11:45 pm-11:02 am

1 stop9h 17m

Key West

Mon 6/15

2:28 pm-10:35 pm

1 stop10h 07m

$737

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 7/26

11:10 pm-11:00 am

1 stop9h 50m

Key West

Tue 7/28

2:24 pm-9:57 pm

1 stop9h 33m

$855

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Key West from

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

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

American Airlines, Delta, and United Airlines are the most popular carriers operating from Idaho to Key West

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 12m

Direct flights

None
The fastest flight from Idaho to Key West takes 9h 12m
There are no direct flights from Idaho to Key West. There are no popular flight routes from Idaho to Key West.
Search flight deals

Frequently asked questions about flying 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?

  • 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 AirlinesPriceFrom $467Free CancellationRating
7.1
11,640 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 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.

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
Fri 6/26
Fri 7/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States