$128+ Cheap flights from Boston to Key West (BOS - 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — EYW
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Boston 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.Cheapflights Tip: The best prices from Boston Logan Intl to Key West are usually found in January or September, booked 83 days in advance, depart on a Sunday or Monday and return on a Thursday
Cheap flight deals from Boston to Key West
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Key WestExplore the most affordable flight options available from Boston to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Boston to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/2711:12 am -
2 stops22h 12m
Mon 11/211:09 am -
1 stop23h 33m
Deal found 9/10![Multiple Airlines logo]()
$244
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:12 am -
2 stops22h 12m
Fri 11/610:14 am -
1 stop22h 05m
Deal found 9/8![Multiple Airlines logo]()
$247
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:12 am -
2 stops22h 12m
Fri 10/309:54 am -
1 stop22h 18m
Deal found 9/8![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/2910:32 am -
1 stop22h 32m
Mon 11/211:09 am -
1 stop23h 33m
Deal found 9/10![Allegiant Air logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/2812:39 pm -
2 stops21h 40m
Mon 11/211:09 am -
1 stop23h 33m
Deal found 9/9![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 11/79:09 am -
2 stops26h 12m
Fri 11/1310:14 am -
1 stop22h 05m
Deal found 9/9![Multiple Airlines logo]()
$285
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:32 am -
1 stop22h 32m
Fri 11/610:14 am -
1 stop22h 05m
Deal found 9/8![Allegiant Air logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/3111:27 am -
2 stops21h 55m
Thu 11/123:03 pm -
1 stop17h 38m
Deal found 9/9![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/2711:12 am -
2 stops22h 12m
Thu 11/53:03 pm -
1 stop17h 38m
Deal found 9/10![Multiple Airlines logo]()
$301
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:32 am -
1 stop22h 32m
Fri 11/612:59 pm -
2 stops20h 30m
Deal found 9/8![Multiple Airlines logo]()
$320
Best flights from Boston to Key WestDiscover carefully curated flight deals from Boston to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Boston to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
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 12/26:00 am -
2 stops9h 26m
Wed 12/912:41 pm -
2 stops11h 08m
Deal found 9/8![United Airlines logo]()
$535
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 10/287:20 am -
1 stop6h 34m
Fri 10/302:51 pm -
1 stop7h 08m
Deal found 9/8![United Airlines logo]()
$557
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.
Sat 10/247:13 pm -
2 stops18h 41m
Thu 10/292:50 pm -
2 stops9h 09m
Deal found 9/8![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 11/15:30 am -
2 stops9h 59m
Fri 11/64:10 pm -
1 stop7h 25m
Deal found 9/10![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 11/296:00 am -
1 stop7h 52m
Wed 12/212:41 pm -
2 stops11h 08m
Deal found 9/9![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/285:30 am -
2 stops9h 59m
Sun 11/14:10 pm -
2 stops31h 49m
Deal found 9/9![United Airlines logo]()
$726
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.
Sat 11/79:12 am -
3 stops28h 40m
Fri 11/132:51 pm -
1 stop7h 08m
Deal found 9/8![United Airlines logo]()
$733
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.
Tue 12/16:00 am -
3 stops29h 11m
Fri 12/1112:41 pm -
2 stops11h 08m
Deal found 9/8![United Airlines logo]()
$753
Last-minute flights from Boston to Key WestDiscover last-minute flight deals from Boston to Key West. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Key West. Data last updated September 12, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:26 am -
1 stop22h 53m
Fri 10/239:54 am -
1 stop22h 18m
Deal found 9/8![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/2711:12 am -
2 stops22h 12m
Mon 11/211:09 am -
1 stop23h 33m
Deal found 9/10![Multiple Airlines logo]()
$244
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:12 am -
2 stops22h 12m
Fri 11/610:14 am -
1 stop22h 05m
Deal found 9/8![Multiple Airlines logo]()
$247
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:12 am -
2 stops22h 12m
Fri 10/309:54 am -
1 stop22h 18m
Deal found 9/8![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/2711:12 am -
2 stops22h 12m
Thu 11/53:03 pm -
1 stop17h 38m
Deal found 9/10![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/2812:39 pm -
2 stops21h 40m
Mon 11/211:09 am -
1 stop23h 33m
Deal found 9/9![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/2910:32 am -
1 stop22h 32m
Mon 11/211:09 am -
1 stop23h 33m
Deal found 9/10![Allegiant Air logo]()
$278
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:32 am -
1 stop22h 32m
Fri 11/610:14 am -
1 stop22h 05m
Deal found 9/8![Allegiant Air logo]()
$287
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:32 am -
1 stop22h 32m
Fri 11/612:59 pm -
2 stops20h 30m
Deal found 9/8![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/3111:27 am -
2 stops21h 55m
Thu 11/123:03 pm -
1 stop17h 38m
Deal found 9/9![Multiple Airlines logo]()
$292
One-way flights from Boston to Key WestSearch for one-way flight options from Boston to Key West. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Boston to Key West. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:35 am -
1 stop25h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 11/1112:39 pm -
2 stops22h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 11/1012:15 pm -
2 stops21h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 10/2112:57 pm -
2 stops21h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$159
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:57 am -
1 stop22h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 11/711:27 am -
2 stops23h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$174
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:52 pm -
2 stops20h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/2711:12 am -
2 stops22h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$183
Find flight deals from Boston to Key West
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $244 (Kiwi.com) |
One-way from | $128 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $376 |
Good round-trip deal | $412 or less |
Good one-way deal | $232 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 12, 2026.
Use the filters below to find and compare flights from Boston to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Tue 9/22
12:52 pm-9:24 am
2 stops20h 32m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$203
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Wed 9/30
6:00 am-12:13 pm
1 stop6h 13m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Tue 11/10
9:05 am-5:10 pm
1 stop8h 05m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Wed 12/9
6:00 am-3:26 pm
2 stops9h 26m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Thu 10/29
1:57 pm-8:01 pm
1 stop6h 04m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Sun 11/1
5:00 am-1:12 pm
1 stop8h 12m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
Quickest round-trip
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Mon 10/5
5:30 am-10:46 am
1 stop5h 16m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Mon 11/9
1:45 pm-8:00 pm
1 stop6h 15m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Wed 12/2
6:00 am-3:26 pm
2 stops9h 26m
Key West
Wed 12/9
12:41 pm-11:49 pm
2 stops11h 08m
$535
BostonKey West
BOS Boston Logan Intl - EYW Key West
BOSEYW
Boston Logan Intl
Wed 10/28
7:20 am-1:54 pm
1 stop6h 34m
Key West
Fri 10/30
2:51 pm-9:59 pm
1 stop7h 08m
$557
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Boston 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 Boston to Key West in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Boston-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-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 Boston-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 Boston to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Boston with our price prediction graph.
BOS-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.
Cheapflights Insights
Everything you need to know about your flight from Boston to Key West
How far ahead should I book a flight from Boston to Key West?
Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Key West. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boston to Key West?
Currently, January is the cheapest month in which you can book a flight from Boston to Key West (average of $363). Flying from Boston to Key West in April is currently the most expensive (average of $619). 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.
How much does it cost to fly round-trip from Boston to Key West?
Airfare is below average for this route at the moment.
Boston to Key West flights typically cost between $326 and $501 in October.The cheapest round-trip price found within the last 5 days was $244 on Multiple Airlines (Oct 27-Nov 2).
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 12, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Boston to Key West have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Related info for your journey
Find useful and relevant information for your journey from Boston 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 September 12, 2026.
Boston and Key West flights
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Other flights from Boston
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Top 4 airlines flying from Boston to Key West
Discover the top 4 airlines that operate flights from Boston 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$314 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$207 | Average$508 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$418 | FlexibilityNo cancel fee | On-time71% |