$555+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — EYW
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
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 September 9, 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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/27:00 am -
1 stop7h 55m
Sat 12/52:26 pm -
1 stop10h 16m
Deal found 9/8![American Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 12/24:24 pm -
3 stops16h 47m
Sat 12/512:41 pm -
2 stops11h 02m
Deal found 9/8![United Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/27:00 am -
1 stop7h 55m
Mon 12/72:26 pm -
1 stop10h 16m
Deal found 9/8![American Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/196:30 am -
2 stops10h 47m
Wed 9/2311:30 am -
2 stops12h 33m
Deal found 9/4![American Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 9/4. 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 9/195:30 am -
2 stops12h 30m
Wed 9/237:40 am -
1 stop7h 21m
Deal found 9/4![Delta logo]()
$654
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/27:00 am -
1 stop7h 55m
Sun 12/62:26 pm -
1 stop10h 16m
Deal found 9/8![American Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 9/4. 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 9/125:30 am -
2 stops12h 30m
Mon 9/212:00 pm -
1 stop10h 00m
Deal found 9/4![Delta logo]()
$718
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/126:30 am -
2 stops10h 47m
Mon 9/211:47 pm -
2 stops10h 40m
Deal found 9/4![American Airlines logo]()
$788
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 September 9, 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 September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/27:00 am -
1 stop7h 55m
Sat 12/52:26 pm -
1 stop10h 16m
Deal found 9/8![American Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 12/24:24 pm -
3 stops16h 47m
Sat 12/512:41 pm -
2 stops11h 02m
Deal found 9/8![United Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 9/4. 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 9/195:30 am -
2 stops12h 30m
Wed 9/237:40 am -
1 stop7h 21m
Deal found 9/4![Delta logo]()
$654
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/196:30 am -
2 stops10h 47m
Wed 9/2311:30 am -
2 stops12h 33m
Deal found 9/4![American Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 9/4. 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 9/125:30 am -
2 stops12h 30m
Mon 9/212:00 pm -
1 stop10h 00m
Deal found 9/4![Delta logo]()
$718
This American Airlines deal was found by Cheapflights users on 9/6. 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
Sun 11/152:26 pm -
1 stop10h 16m
Deal found 9/6![American Airlines logo]()
$852
Last-minute flights from Boise to Key WestDiscover last-minute flight deals from Boise to Key West. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Key West. Data last updated September 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/4. 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 9/125:30 am -
2 stops12h 30m
Mon 9/212:00 pm -
1 stop10h 00m
Deal found 9/4![Delta logo]()
$718
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/126:30 am -
2 stops10h 47m
Mon 9/211:47 pm -
2 stops10h 40m
Deal found 9/4![American Airlines logo]()
$788
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/196:30 am -
2 stops10h 47m
Wed 9/2311:30 am -
2 stops12h 33m
Deal found 9/4![American Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 9/4. 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 9/195:30 am -
2 stops12h 30m
Wed 9/237:40 am -
1 stop7h 21m
Deal found 9/4![Delta logo]()
$654
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/206:30 am -
2 stops10h 47m
Thu 9/241:47 pm -
2 stops11h 54m
Deal found 9/5![American Airlines logo]()
$995
This Delta deal was found by Cheapflights users on 9/5. 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 9/2011:10 pm -
1 stop9h 36m
Thu 9/247:40 am -
1 stop7h 21m
Deal found 9/5![Delta logo]()
$1,005
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/231:50 pm -
2 stops18h 01m
Sun 9/2710:38 am -
2 stops15h 03m
Deal found 9/8![American Airlines logo]()
$1,088
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/72:41 pm -
2 stops17h 13m
Sun 10/118:03 pm -
2 stops17h 21m
Deal found 9/7![American Airlines logo]()
$955
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $555 (American Airlines) |
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 September 9, 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
Quickest round-trip
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Wed 12/2
7:00 am-4:55 pm
1 stop7h 55m
Key West
Sat 12/5
2:26 pm-10:42 pm
1 stop10h 16m
$555
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Wed 12/2
4:24 pm-11:11 am
3 stops16h 47m
Key West
Sat 12/5
12:41 pm-9:43 pm
2 stops11h 02m
$580
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Sat 9/19
6:30 am-7:17 pm
2 stops10h 47m
Key West
Wed 9/23
11:30 am-10:03 pm
2 stops12h 33m
$627
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Sat 9/19
5:30 am-8:00 pm
2 stops12h 30m
Key West
Wed 9/23
7:40 am-1:01 pm
1 stop7h 21m
$654
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Sat 9/12
5:30 am-8:00 pm
2 stops12h 30m
Key West
Mon 9/21
2:00 pm-10:00 pm
1 stop10h 00m
$718
BoiseKey West
BOI Boise Air Term. Gowen Fld - EYW Key West
BOIEYW
Boise Air Term. Gowen Fld
Sun 11/8
7:00 am-4:55 pm
1 stop7h 55m
Key West
Sun 11/15
2:26 pm-10:42 pm
1 stop10h 16m
$852
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 September.
| 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 September 9, 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
7.1
Crew
7.9
Comfort
7.2
Boarding
7.5
Food
6.4
Entertainment
6.8
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Overall
7.1
Crew
7.9
Comfort
7.2
Boarding
7.5
Food
6.4
Entertainment
6.8
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Key West flight routes
Other flight options
Other flights from Boise
Popular flights
Alternative routes for Boise to Key West
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Key West by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Key West by cabin class
Find flights from Boise to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 September 9, 2026.
Boise and Key West flights
Browse other Boise and Key West flight options. Last updated on September 9, 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 September 9, 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 September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$467 | Average$771 | FlexibilityNo cancel fee | On-time71% |