Cheap flights from Key West to Boston

Key West
EYW
Logan
BOS

Flight deals from Key West to Boston

Below you can see the best deals on flights Key West — Boston for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 5 September, from $106.

Top 10 cheap flights from Key West to Boston

AA
AA
$ 198

Key West — Boston

19:03—00:58
18 Aug 2026
5 h 55 m
1 stop
AA
AA
$ 198

Key West — Boston

13:50—19:14
18 Aug 2026
5 h 24 m
1 stop
AA
AA
$ 198

Key West — Boston

14:31—20:13
18 Aug 2026
5 h 42 m
1 stop
AA
AA
$ 198

Key West — Boston

13:50—20:06
18 Aug 2026
6 h 16 m
1 stop
AA
AA
$ 198

Key West — Boston

13:40—21:30
18 Aug 2026
7 h 50 m
1 stop
AA
AA
$ 198

Key West — Boston

14:31—22:50
18 Aug 2026
8 h 19 m
1 stop
AA
AA
$ 198

Key West — Boston

14:31—20:13
19 Aug 2026
5 h 42 m
1 stop
AA
AA
$ 198

Key West — Boston

14:31—21:45
19 Aug 2026
7 h 14 m
1 stop
AA
AA
$ 198

Key West — Boston

13:50—22:13
19 Aug 2026
8 h 23 m
1 stop
AA
AA
$ 223

Key West — Boston

13:50—19:14
19 Aug 2026
5 h 24 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Key West — Boston flight

Looking for cheap flights from Key West to Boston? Compare fares from different airlines, check the flight schedule and travel time — and book your Key West — Boston ticket online at the best price.

The route has direct flights — around 12 flights per week, flights are operated by JetBlue, American Airlines, a nonstop flight takes about 5 h 4 min, the distance between the cities is around 2,207 km.

Planning your trip? You may find our Boston travel guide, how to get from the airport into town and Boston weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $106Min. price
SeptemberCheapest
AugustPeak season
YesDirect flights
2,207 kmDistance
5 h 4 minTravel time
2Airlines
12 / wkFlights

Flight ticket prices by day: Key West — Boston

Below is a calendar of the lowest flight ticket prices for Key West — Boston by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $106 in September, and the most expensive are around $198 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Key West to Boston by month. Tickets are usually cheapest in November (around $197) and priciest in April (about $281) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$243mediumMay$225mediumSep$206low
Feb$253mediumJun$243mediumOct$220medium
Mar$271highJul$262highNov$197low
Apr$281highAug$215lowDec$271high

Some values are estimated based on seasonality.

When to fly

Weather in Boston: it is warmest in July (up to 28 °C on average) and coolest in January (around 3 °C). The driest month is September.

Tickets are usually cheapest in September and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Boston

Dry and wet days · Boston

Wind speed and direction · Boston

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How to get the best deal on a Key West — Boston ticket

  • Book ahead: fares for Key West — Boston are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Boston is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Key West — Boston route are operated by 2 airlines; JetBlue runs the most flights (around 92% of all flights). Compare carriers, flight shares and schedules below.

  • JetBlueB6
    4x/week
    WebsiteFleet: 30742.5M pax/year
    • Direct flight EYW → BOS4x/week
    91.7%Open →
  • American AirlinesAA
    1x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight EYW → BOS1x/week
    8.3%Open →

Cities and airports on the Key West — Boston route

Flights Key West — Boston depart from Key West International Airport and arrive at Logan International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Key West

EYW
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Boston

BOS
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Key West — Boston flight

How long is the flight from Key West to Boston?

A nonstop Key West — Boston flight takes about 5 h 4 min — the distance between the cities is around 2,207 km.

How far is it from Key West to Boston?

The distance from Key West to Boston is about 2,207 km, which a nonstop flight covers in around 5 h 4 min.

Are there direct flights from Key West to Boston?

Yes, there are nonstop flights Key West — Boston — around 12 flights per week.

Which airlines fly from Key West to Boston?

Airlines operating Key West — Boston include JetBlue, American Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Key West — Boston flights use?

Flights from Key West depart from Key West International Airport, and arrive at Logan International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Key West to Boston?

The price of a Key West — Boston ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in August. Tickets typically cost between $106 and $198. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Key West — Boston?

Flights Key West — Boston are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Key West to Boston?

To catch a low fare Key West — Boston, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Key West

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Washington, D.C.ChicagoDallasAtlantaPhiladelphiaNew York CityFort LauderdaleCharlotteMiamiNew HavenTampaHoustonOrlandoCancunTallahasseeNassauGainesville

Where else you can fly from Boston

See all
New York CityWashington, D.C.ChicagoTorontoSan FranciscoAtlantaSeattleLos AngelesPhiladelphiaNantucketLondonDallasOrlandoDenverFort LauderdaleDetroitCharlotteRaleighMontrealNashvilleMarthas VineyardMiamiMinneapolisSan DiegoBuffaloPhoenixMadridTampaPittsburghClevelandBarcelonaIndianapolisSan JuanDublinHoustonParisLas VegasAustinRichmondCincinnati

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