$416+ Cheap flights from Boise to Key West (BOI - 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — EYW
May 27 — Jun 31
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Key West with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Key West
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Best
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Cheapest flights from Boise to Key WestExplore the most affordable flight options available from Boise to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
Explore the most affordable flight options available from Boise to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 12/96:39 am
BOI
- EYW
2 stops13h 06m
American Airlines
Tue 12/152:31 pm
EYW
- BOI
1 stop9h 32m
American Airlines
Deal found 4/24![American Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 6/311:39 pm
BOI
- EYW
1 stop9h 14m
Delta
Sat 6/137:45 am
EYW
- BOI
2 stops13h 20m
Delta
Deal found 4/24![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 12/85:40 am
BOI
- EYW
2 stops9h 31m
Delta
Tue 12/152:35 pm
EYW
- BOI
2 stops11h 29m
Delta
Deal found 4/23![Delta logo]()
$538
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 12/86:44 am
BOI
- EYW
1 stop7h 38m
American Airlines
Wed 12/162:31 pm
EYW
- BOI
1 stop9h 32m
American Airlines
Deal found 4/23![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 12/86:44 am
BOI
- EYW
2 stops14h 23m
American Airlines
Tue 12/152:31 pm
EYW
- BOI
1 stop9h 32m
American Airlines
Deal found 4/23![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 12/106:44 am
BOI
- EYW
2 stops13h 01m
American Airlines
Tue 12/152:31 pm
EYW
- BOI
1 stop9h 32m
American Airlines
Deal found 4/23![American Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 4/26. 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 7/265:30 am
BOI
- EYW
2 stops12h 21m
Delta
Sun 8/211:56 am
EYW
- BOI
2 stops14h 09m
Delta
Deal found 4/26![Delta logo]()
$581
This Delta deal was found by Cheapflights users on 4/24. 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 4/256:16 pm
BOI
- EYW
2 stops14h 30m
Delta
Sat 5/27:33 am
EYW
- BOI
1 stop7h 34m
Delta
Deal found 4/24![Delta logo]()
$590
Best flights from Boise to Key WestDiscover carefully curated flight deals from Boise to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
Discover carefully curated flight deals from Boise to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 6/311:39 pm
BOI
- EYW
1 stop9h 14m
Delta
Sat 6/137:45 am
EYW
- BOI
2 stops13h 20m
Delta
Deal found 4/24![Delta logo]()
$533
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Sat 5/96:26 am
BOI
- EYW
1 stop8h 36m
American Airlines
Sat 5/162:29 pm
EYW
- BOI
2 stops11h 12m
American Airlines
Deal found 4/25![American Airlines logo]()
$691
This Delta deal was found by Cheapflights users on 4/26. 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 7/2611:42 pm
BOI
- EYW
1 stop9h 18m
Delta
Sun 8/211:56 am
EYW
- BOI
2 stops14h 09m
Delta
Deal found 4/26![Delta logo]()
$576
This Delta deal was found by Cheapflights users on 4/24. 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 5/95:20 am
BOI
- EYW
2 stops10h 03m
Delta
Sat 5/167:30 am
EYW
- BOI
2 stops16h 43m
Delta
Deal found 4/24![Delta logo]()
$815
Last-minute flights from Boise to Key WestDiscover last-minute flight deals from Boise to Key West. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Key West. Data last updated April 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/24. 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 4/256:16 pm
BOI
- EYW
2 stops14h 30m
Delta
Sat 5/27:33 am
EYW
- BOI
1 stop7h 34m
Delta
Deal found 4/24![Delta logo]()
$590
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 4/251:29 pm
BOI
- EYW
1 stop21h 09m
American Airlines
Sat 5/26:46 pm
EYW
- BOI
1 stop20h 03m
American Airlines
Deal found 4/24![American Airlines logo]()
$964
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sat 5/96:26 am
BOI
- EYW
1 stop8h 36m
American Airlines
Sat 5/162:29 pm
EYW
- BOI
2 stops11h 12m
American Airlines
Deal found 4/26![American Airlines logo]()
$691
This Delta deal was found by Cheapflights users on 4/24. 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 5/95:20 am
BOI
- EYW
2 stops10h 03m
Delta
Sat 5/167:30 am
EYW
- BOI
2 stops16h 43m
Delta
Deal found 4/24![Delta logo]()
$815
One-way flights from Boise to Key WestSearch for one-way flight options from Boise to Key West. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
Search for one-way flight options from Boise to Key West. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/96:26 pm
BOI
- EYW
2 stops14h 50m
American Airlines
Deal found 4/22![American Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 4/23. 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 5/96:00 am
BOI
- EYW
2 stops9h 23m
Delta
Deal found 4/23![Delta logo]()
$466
Find flight deals from Boise to Key West
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $533 (Delta) |
One-way from | $416 (American Airlines) |
Popular in | November |
Cheapest in | August |
Average price | $548 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 April 27, 2026.
Use the filters below to find and compare flights from Boise to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseKey West
BOI - EYW
BOIEYW
Boise Air Term. Gowen Fld
Wed 6/3
11:39 pm-10:53 am
1 stop9h 14m
Key West
Sat 6/13
7:45 am-7:05 pm
2 stops13h 20m
$533
BoiseKey West
BOI - EYW
BOIEYW
Boise Air Term. Gowen Fld
Sun 7/26
11:42 pm-11:00 am
1 stop9h 18m
Key West
Sun 8/2
11:56 am-12:05 am
2 stops14h 09m
$576
Quickest round-trip
BoiseKey West
BOI - EYW
BOIEYW
Boise Air Term. Gowen Fld
Sat 5/9
6:26 am-5:02 pm
1 stop8h 36m
Key West
Sat 5/16
2:29 pm-11:41 pm
2 stops11h 12m
$691
BoiseKey West
BOI - EYW
BOIEYW
Boise Air Term. Gowen Fld
Sat 5/9
5:20 am-5:23 pm
2 stops10h 03m
Key West
Sat 5/16
7:30 am-10:13 pm
2 stops16h 43m
$815
Cheapest one-way
BoiseKey West
BOI - EYW
BOIEYW
Boise Air Term. Gowen Fld
Sat 5/9
6:26 pm-11:16 am
2 stops14h 50m
$416
Quickest one-way
BoiseKey West
BOI - EYW
BOIEYW
Boise Air Term. Gowen Fld
Sat 5/9
6:41 pm-10:53 am
2 stops14h 12m
$466
Sorted by cheapest first
Compare providers for flights from Boise to Key West
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Key West in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Boise with our price prediction graph.
BOI-EYW
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.
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 April 27, 2026.
Read reviews from past customers who have flown American Airlines from Boise 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.
Entertainment
6.9
Boarding
7.5
Crew
7.9
Comfort
7.2
Overall
7.1
Food
6.4
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Entertainment
6.9
Boarding
7.5
Crew
7.9
Comfort
7.2
Overall
7.1
Food
6.4
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Related info for your journey
Find useful and relevant information for your journey from Boise to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Key West
Explore flights to Key West departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2026.
Boise and Key West flights
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boise to Key West
Discover the top airline that operate flights from Boise 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 April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$657 | FlexibilityNo cancel fee | On-time71% |