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Key West

$200+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — EYW
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
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 August 2, 2025.

Round-trip from

$344
(Delta)

One-way from

$200
(Delta)

Popular in

May

Cheapest in

August

Average price

$453
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. 26% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 2, 2025.

This Delta deal was found by Cheapflights users on 8/1. 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.
Sat 8/235:05 pmGEG - EYW
2 stops14h 51mDelta
Tue 8/267:00 amEYW - GEG
1 stop7h 35mDelta
Deal found 8/1$344
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:00 amGEG - EYW
1 stop7h 22mAmerican Airlines
Tue 8/1911:26 amEYW - GEG
2 stops14h 29mAmerican Airlines
Deal found 7/31$374
This Delta deal was found by Cheapflights users on 7/31. 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 8/235:30 amBOI - EYW
2 stops12h 42mDelta
Wed 8/277:00 amEYW - BOI
2 stops11h 57mDelta
Deal found 7/31$414
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:35 amBOI - EYW
2 stops10h 32mAmerican Airlines
Tue 8/1911:26 amEYW - BOI
2 stops12h 17mAmerican Airlines
Deal found 7/31$486
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:06 pmBOI - EYW
2 stops20h 35mMultiple Airlines
Thu 8/2110:02 amEYW - BOI
3 stops33h 09mMultiple Airlines
Deal found 8/1$563
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:13 pmBOI - EYW
2 stops21h 48mUnited Airlines
Fri 9/193:50 pmEYW - BOI
3 stops21h 41mUnited Airlines
Deal found 7/31$796
This United Airlines deal was found by Cheapflights users on 7/29. 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 12/132:21 pmSUN - EYW
2 stops21h 45mUnited Airlines
Tue 12/163:02 pmEYW - SUN
2 stops24h 35mUnited Airlines
Deal found 7/29$798

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 August 2, 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

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Sat 8/23

5:05 pm-10:56 am

2 stops14h 51m

Key West

Tue 8/26

7:00 am-11:35 am

1 stop7h 35m

$344

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Fri 8/15

6:00 am-4:22 pm

1 stop7h 22m

Key West

Tue 8/19

11:26 am-10:55 pm

2 stops14h 29m

$374

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sat 8/23

5:30 am-8:12 pm

2 stops12h 42m

Key West

Wed 8/27

7:00 am-4:57 pm

2 stops11h 57m

$414

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Fri 8/15

6:35 am-7:07 pm

2 stops10h 32m

Key West

Tue 8/19

11:26 am-9:43 pm

2 stops12h 17m

$486

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Sun 8/17

6:06 pm-4:41 pm

2 stops20h 35m

Key West

Thu 8/21

10:02 am-5:11 pm

3 stops33h 09m

$563

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 9/15

2:13 pm-2:01 pm

2 stops21h 48m

Key West

Fri 9/19

3:50 pm-11:31 am

3 stops21h 41m

$796

HaileyKey West

SUN - EYW

SUNEYW

Hailey Sun Valley-Friedman

Sat 12/13

2:21 pm-2:06 pm

2 stops21h 45m

Key West

Tue 12/16

3:02 pm-1:37 pm

2 stops24h 35m

$798

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Wed 9/3

5:00 am-8:12 pm

2 stops12h 12m

$200

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Thu 10/9

9:08 pm-7:55 pm

2 stops19h 47m

$242

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 10/27

8:55 am-8:06 pm

2 stops9h 11m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 12 results
1
2

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 August 2, 2025.

When flying from Idaho to Key West, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated August 2, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Idaho to Key West to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $200. However, be on the lookout for offers from American Airlines and United Airlines, 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.

  • What is the cheapest month to book a flight from Idaho to Key West?

    Currently, August is the cheapest month in which you can book a flight from Idaho to Key West (average of $328). Flying from Idaho to Key West in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$608FlexibilityNo cancel feeOn-time71%

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