$329+ Cheap flights from Boise to Key West (BOI - EYW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — EYW
Nov 24 — Dec 11
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
Last-minute
One-way
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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 11/77:00 am -
1 stop7h 55m
Wed 11/112:26 pm -
1 stop10h 16m
Deal found 10/23![American Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 12/86:40 am -
1 stop8h 12m
Sat 12/122:36 pm -
1 stop10h 10m
Deal found 10/22![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Wed 12/96:40 am -
1 stop8h 12m
Mon 12/142:36 pm -
1 stop10h 10m
Deal found 10/22![American Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 10/23. 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 11/75:30 am -
2 stops12h 31m
Wed 11/112:07 pm -
2 stops12h 03m
Deal found 10/23![Delta logo]()
$849
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/61:24 pm -
1 stop24h 51m
Tue 11/107:00 pm -
2 stops19h 37m
Deal found 10/22![American Airlines logo]()
$853
This Delta deal was found by Cheapflights users on 10/21. 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 11/106:45 pm -
2 stops14h 03m
Sat 11/147:30 am -
1 stop7h 41m
Deal found 10/21![Delta logo]()
$1,008
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 October 25, 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 1/307:04 am -
2 stops29h 09m
Wed 2/33:15 pm -
2 stops20h 44m
Deal found 10/21![United Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 10/21. 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 11/106:45 pm -
2 stops14h 03m
Sat 11/147:30 am -
1 stop7h 41m
Deal found 10/21![Delta logo]()
$1,008
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/304:10 pm -
2 stops20h 03m
Tue 2/23:15 pm -
2 stops20h 44m
Deal found 10/24![United Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 10/21. 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 11/811:10 pm -
1 stop9h 38m
Sun 11/152:07 pm -
1 stop9h 52m
Deal found 10/21![Delta logo]()
$1,012
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 11/195:30 am -
2 stops12h 30m
Thu 11/267:30 am -
1 stop7h 41m
Deal found 10/21![Delta logo]()
$1,017
Last-minute flights from Boise to Key WestDiscover last-minute flight deals from Boise to Key West. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Key West. Data last updated October 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/61:24 pm -
1 stop24h 51m
Tue 11/107:00 pm -
2 stops19h 37m
Deal found 10/22![American Airlines logo]()
$853
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 11/77:00 am -
1 stop7h 55m
Wed 11/112:26 pm -
1 stop10h 16m
Deal found 10/23![American Airlines logo]()
$547
This Delta deal was found by Cheapflights users on 10/23. 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 11/75:30 am -
2 stops12h 31m
Wed 11/112:07 pm -
2 stops12h 03m
Deal found 10/23![Delta logo]()
$849
This Delta deal was found by Cheapflights users on 10/21. 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 11/811:10 pm -
1 stop9h 38m
Sun 11/152:07 pm -
1 stop9h 52m
Deal found 10/21![Delta logo]()
$1,012
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/87:00 am -
1 stop7h 55m
Thu 11/122:26 pm -
1 stop10h 16m
Deal found 10/24![American Airlines logo]()
$1,025
This Delta deal was found by Cheapflights users on 10/21. 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 11/106:45 pm -
2 stops14h 03m
Sat 11/147:30 am -
1 stop7h 41m
Deal found 10/21![Delta logo]()
$1,008
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 October 25, 2026.
Search for one-way flight options from Boise to Key West. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/127:53 pm -
3 stops36h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/117:53 pm -
3 stops42h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 2/116:13 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 2/126:13 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/27:00 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 pm -
3 stops18h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$1,044
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $444 (Delta) |
One-way from | $329 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $576 |
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 7,457,451 searches. Data last updated October 25, 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 Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Thu 2/11
7:53 pm-4:36 pm
3 stops42h 43m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$390
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Thu 2/11
6:13 am-6:40 pm
2 stops10h 27m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$435
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Fri 2/12
6:13 am-6:40 pm
2 stops10h 27m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$435
Quickest round-trip
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Mon 11/2
7:00 am-4:55 pm
1 stop7h 55m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$540
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Sat 1/30
7:04 am-2:13 pm
2 stops29h 09m
Key West
Wed 2/3
3:15 pm-9:59 am
2 stops20h 44m
$781
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Sat 1/30
4:10 pm-2:13 pm
2 stops20h 03m
Key West
Tue 2/2
3:15 pm-9:59 am
2 stops20h 44m
$791
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Tue 11/10
6:45 pm-10:48 am
2 stops14h 03m
Key West
Sat 11/14
7:30 am-1:11 pm
1 stop7h 41m
$1,008
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Sun 11/8
11:10 pm-10:48 am
1 stop9h 38m
Key West
Sun 11/15
2:07 pm-9:59 pm
1 stop9h 52m
$1,012
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Thu 11/19
5:30 am-8:00 pm
2 stops12h 30m
Key West
Thu 11/26
7:30 am-1:11 pm
1 stop7h 41m
$1,017
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Mon 11/2
7:00 pm-3:29 pm
3 stops18h 29m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$1,044
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 October.
| 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 October 25, 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.
Overall
7.0
Food
6.4
Crew
7.9
Boarding
7.4
Entertainment
6.8
Comfort
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Overall
7.0
Food
6.4
Crew
7.9
Boarding
7.4
Entertainment
6.8
Comfort
7.1
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 October 25, 2026.
Boise and Key West flights
Browse other Boise and Key West flight options. Last updated on October 25, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$404 | Average$831 | FlexibilityNo cancel fee | On-time71% |