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Key West

$263+ 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
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$484
(Delta)

One-way from

$263
(American Airlines)

Popular in

May

Cheapest in

August

Average price

$850
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. 30% potential increase in price ($302 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This Delta deal was found by Cheapflights users on 6/15. 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 6/3011:40 pmBOI - EYW
1 stop9h 13mDelta
Fri 7/47:10 amEYW - BOI
2 stops12h 03mDelta
Deal found 6/15$484
This Mytrip deal was found by Cheapflights users on 6/14. 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 6/299:33 amGEG - EYW
3 stops28h 05mMultiple Airlines
Thu 7/312:31 pmEYW - GEG
2 stops31h 31mMultiple Airlines
Deal found 6/14$528
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/307:00 amBOI - EYW
2 stops10h 02mAmerican Airlines
Fri 7/42:31 pmEYW - BOI
2 stops24h 47mAmerican Airlines
Deal found 6/15$580
This American Airlines deal was found by Cheapflights users on 6/13. 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 10/63:53 pmGEG - EYW
2 stops16h 24mAmerican Airlines
Sun 10/123:52 pmEYW - GEG
1 stop7h 51mAmerican Airlines
Deal found 6/13$592
This Mytrip deal was found by Cheapflights users on 6/14. 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 6/299:33 amGEG - EYW
2 stops26h 39mAllegiant Air
Thu 7/312:31 pmEYW - GEG
2 stops31h 31mAllegiant Air
Deal found 6/14$594
This United Airlines deal was found by Cheapflights users on 6/15. 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 6/304:40 pmBOI - EYW
2 stops18h 32mUnited Airlines
Fri 7/42:12 pmEYW - BOI
3 stops25h 17mUnited Airlines
Deal found 6/15$901
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 6/2911:10 pmGEG - EYW
1 stop8h 43mDelta
Thu 7/32:05 pmEYW - GEG
2 stops11h 33mDelta
Deal found 6/14$980

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 June 16, 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

Mon 6/30

11:40 pm-10:53 am

1 stop9h 13m

Key West

Fri 7/4

7:10 am-5:13 pm

2 stops12h 03m

$484

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Sun 6/29

9:33 am-4:38 pm

3 stops28h 05m

Key West

Thu 7/3

12:31 pm-5:02 pm

2 stops31h 31m

$528

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 6/30

7:00 am-7:02 pm

2 stops10h 02m

Key West

Fri 7/4

2:31 pm-1:18 pm

2 stops24h 47m

$580

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Mon 10/6

3:53 pm-11:17 am

2 stops16h 24m

Key West

Sun 10/12

3:52 pm-8:43 pm

1 stop7h 51m

$592

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Sun 6/29

9:33 am-3:12 pm

2 stops26h 39m

Key West

Thu 7/3

12:31 pm-5:02 pm

2 stops31h 31m

$594

BoiseKey West

BOI - EYW

BOIEYW

Boise Air Term. Gowen Fld

Mon 6/30

4:40 pm-1:12 pm

2 stops18h 32m

Key West

Fri 7/4

2:12 pm-1:29 pm

3 stops25h 17m

$901

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Sun 6/29

11:10 pm-10:53 am

1 stop8h 43m

Key West

Thu 7/3

2:05 pm-10:38 pm

2 stops11h 33m

$980

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Wed 9/3

6:00 am-6:59 pm

2 stops9h 59m

$263

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Thu 7/24

5:45 am-7:49 pm

2 stops11h 04m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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 June 16, 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.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 June 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Allegiant Air from Idaho to Key West. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
8,798 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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!
Allegiant Air
7.3
Good
722 reviews
Delta
8.0
Very good
7,963 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7,963 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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 most popular routes from Idaho to Key West?

    Most travelers choose Spokane - Key West, Boise Air Term. Gowen Fld - 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 $493). 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$608FlexibilityNo cancel feeOn-time71%

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