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Key West

$274+ Cheap flights from Idaho to Key West (EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — EYW
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Idaho to Key West

Keep the following information in mind while searching for Idaho to Key West flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$319
(American Airlines)

One-way from

$274
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$608
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Key West flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Key West flights.
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From Idaho to Key West
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One-way flight from Idaho to Key West
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Highest demand for flights based on searches. 23% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Idaho to Key West

Cheapest flights from Idaho to Key West
Explore the most affordable flight options available from Idaho to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:30 amSUN - EYW
2 stops10h 36mDelta
Tue 12/166:10 pmEYW - SUN
2 stops22h 31mDelta
Deal found 10/31$498
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:47 pmGEG - EYW
2 stops22h 32mUnited Airlines
Fri 11/213:00 pmEYW - GEG
2 stops27h 21mUnited Airlines
Deal found 11/1$839
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:25 amGEG - EYW
1 stop7h 51mAmerican Airlines
Fri 11/212:39 pmEYW - GEG
1 stop11h 19mAmerican Airlines
Deal found 11/1$913
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:05 amGEG - EYW
2 stops10h 48mDelta
Fri 11/212:58 pmEYW - GEG
1 stop10h 27mDelta
Deal found 11/1$918
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:30 amSUN - EYW
2 stops10h 36mDelta
Tue 11/117:40 amEYW - SUN
2 stops9h 00mDelta
Deal found 11/2$1,199
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:43 pmSUN - EYW
3 stops21h 03mUnited Airlines
Tue 11/113:00 pmEYW - SUN
2 stops24h 40mUnited Airlines
Deal found 11/2$1,658

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Idaho to Key West that are best for you.

Fly from

Idaho

Fly to

Key West

Route

Depart

Return

Price

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sat 1/24

7:20 am-9:47 pm

2 stops12h 27m

Key West

Sat 1/31

6:06 am-2:51 pm

2 stops10h 45m

$319

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 1/27

6:00 am-11:56 pm

2 stops14h 56m

Key West

Tue 2/3

7:08 am-6:49 pm

2 stops14h 41m

$319

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 3/3

5:51 am-10:59 pm

2 stops14h 08m

Key West

Tue 3/10

3:48 pm-8:34 pm

1 stop7h 46m

$354

HaileyKey West

SUN - EYW

SUNEYW

Hailey Sun Valley-Friedman

Sat 12/13

7:30 am-8:06 pm

2 stops10h 36m

Key West

Tue 12/16

6:10 pm-2:41 pm

2 stops22h 31m

$498

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 1/27

6:53 am-1:03 pm

2 stops27h 10m

Key West

Tue 2/3

4:15 pm-11:39 am

1 stop22h 24m

$609

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Wed 3/11

12:29 pm-9:09 pm

1 stop30h 40m

Key West

Sun 3/15

4:53 pm-12:02 pm

2 stops21h 09m

$677

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 3/3

5:00 am-3:00 pm

3 stops31h 00m

Key West

Tue 3/10

4:53 pm-9:20 pm

2 stops31h 27m

$702

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 3/9

7:33 am-4:05 pm

1 stop6h 32m

Key West

Tue 3/10

8:01 pm-4:45 pm

2 stops22h 44m

$720

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Mon 11/17

1:47 pm-3:19 pm

2 stops22h 32m

Key West

Fri 11/21

3:00 pm-3:21 pm

2 stops27h 21m

$839

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Mon 11/17

6:05 am-7:53 pm

2 stops10h 48m

Key West

Fri 11/21

2:58 pm-10:25 pm

1 stop10h 27m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 19 results
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Best time to book a flight from Idaho to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Key West

What is the cheapest time of day to fly from ID to EYW?

Find hourly flight availability from Idaho to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

It’s typically best to fly out from Idaho to Key West in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from Idaho?

    If you book a flight to Key West from Idaho, you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 2.6 mi from the center of Key West.

  • How long is the flight from Idaho to Key West?

    Departing from Idaho to Key West will take you 10h 36m. The distance between Idaho and Key West is about 2252 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to Key West one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $274. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Idaho to Key West for a low price.

  • What are the most popular routes from Idaho to Key West?

    Most travelers choose Boise Air Term. Gowen Fld - Key West, Spokane - Key West or Hailey Sun Valley-Friedman - Key West when deciding on the best route from Idaho to Key West.

  • Can I find deals for flights from Idaho to Key West that include hotel bookings?

    Yes. In addition to deals on Idaho to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Key West.

  • Can I find deals for business class flights from Idaho to Key West?

    Yes. Cheapflights offers flight deals from Idaho to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Idaho to Key West

Discover the top airline that operate flights from Idaho to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$602FlexibilityNo cancel feeOn-time71%

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