How popular is this Key Largo to Boston flight route?

Flights from Key Largo to Boston Logan Intl have been viewed 26 times in the past calendar month.

What are the cheapest airlines to fly from Key Largo to Boston one-way?

To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $44. Delta flights start at $94 while deals on JetBlue start at $104 one-way.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the cheapest flights from Key Largo to Boston?

On average you can expect to pay $1,052 for a flight from Key Largo to Boston. The cheapest flight overall is $79 while the most popular route, (Miami - Boston Logan Intl) is currently priced at $169.

What are the most reliable airlines from Key Largo to Boston?

Consider Japan Airlines (94%), British Airways (75%) or Royal Air Maroc (73%) when booking your flight. These represent the most reliable airlines when flying from Key Largo to Boston.

What are the most popular airlines that fly from Key Largo to Boston?

Before booking your flight from Key Largo to Boston check out the most popular airlines for this route: American Airlines, Delta or JetBlue.

What airport do you fly into for flights to Boston from Key Largo?

Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Key Largo to Boston. You should not have trouble finding flights to Logan Intl from Key Largo; the airport handles an average of 16 inbound flights from Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Boston airport from Key Largo. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

Can I find deals for flights from Key Largo to Boston that include hotel bookings?

Yes. In addition to deals on Key Largo to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Key Largo to Boston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Boston.

Can I find deals for business class flights from Key Largo to Boston?

Yes. Cheapflights offers flight deals from Key Largo to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Key Largo to Boston

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Cheapflights Tip: The best prices from Key Largo to Boston Logan Intl are usually found in January or February, booked 81 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Find flight deals from Key Largo to Boston

Most accurate provider	FlightHub 3 stars
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Popular in	June
Cheapest in	January
Average price	$358

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Everything you need to know about your flight from Key Largo to Boston

What is the cheapest time of day to fly from KE9 to BOS?

One of the essential ways to save on airfare from Key Largo to Boston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 31% on airfare.

What is the cheapest day to fly from Key Largo to Boston?

Travelers seeking maximum savings on their Key Largo to Boston flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boston

See what other customers who have flown with Delta,United Airlines, andJetBlue from Key Largo to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,686 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Delta

7.8

Good

8,686 reviews

Delta

7.8

Good

8,686 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

United Airlines

7.3

Good

10,444 reviews

Delta

7.8

Good

8,686 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

JetBlue

7.1

Good

3,075 reviews

Delta

7.8

Good

8,686 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

American Airlines

7.0

Good

12,204 reviews

Delta

7.8

Good

8,686 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Frontier

5.5

Fair

2,515 reviews

Delta

7.8

Good

8,686 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Related info for your journey

What airport do you fly into for flights to Boston from Key Largo?
Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Key Largo to Boston. You should not have trouble finding flights to Logan Intl from Key Largo; the airport handles an average of 16 inbound flights from Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Boston airport from Key Largo. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.
How popular is this Key Largo to Boston flight route?
Flights from Key Largo to Boston Logan Intl have been viewed 26 times in the past calendar month.
What are the cheapest airlines to fly from Key Largo to Boston one-way?
To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $44. Delta flights start at $94 while deals on JetBlue start at $104 one-way.
What are the most reliable airlines from Key Largo to Boston?
Consider Japan Airlines (94%), British Airways (75%) or Royal Air Maroc (73%) when booking your flight. These represent the most reliable airlines when flying from Key Largo to Boston.
What are the cheapest flights from Key Largo to Boston?
On average you can expect to pay $1,052 for a flight from Key Largo to Boston. The cheapest flight overall is $79 while the most popular route, (Miami - Boston Logan Intl) is currently priced at $169.
Can I find deals for flights from Key Largo to Boston that include hotel bookings?
Yes. In addition to deals on Key Largo to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Key Largo to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Boston.
Can I find deals for business class flights from Key Largo to Boston?
Yes. Cheapflights offers flight deals from Key Largo to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 6 airlines flying from Key Largo to Boston

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$88	Average$200	FlexibilityNo cancel fee	On-time88%
JetBlue	Cheapest$121	Average$355	FlexibilityNo cancel fee	On-time62%
Frontier	Cheapest$123	Average$261	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$129	Average$315	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$173	Average$376	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$241	Average$406	FlexibilityNo cancel fee	On-time69%

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Cheap flights from Key Largo, FL to Boston (BOS)

Find cheap flights from Key Largo to Boston with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Find flight deals from Key Largo to Boston

Most accurate provider

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Popular in

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Cheapflights Insights

What is the cheapest time of day to fly from KE9 to BOS?

One of the essential ways to save on airfare from Key Largo to Boston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 31% on airfare.

What is the cheapest day to fly from Key Largo to Boston?

Travelers seeking maximum savings on their Key Largo to Boston flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boston

See what other customers who have flown with Delta,United Airlines, andJetBlue from Key Largo to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Boston from Key Largo?

How popular is this Key Largo to Boston flight route?

What are the cheapest airlines to fly from Key Largo to Boston one-way?

What are the most reliable airlines from Key Largo to Boston?

What are the cheapest flights from Key Largo to Boston?

Can I find deals for flights from Key Largo to Boston that include hotel bookings?

How can I find direct flights from Key Largo to Boston?

Can I find deals for business class flights from Key Largo to Boston?

Traveling to a place near Boston?

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Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 29, 2026.

Complete your trip

Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Key Largo to Boston by cabin class

Find flights from Key Largo to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Key Largo and Boston flights

Browse other Key Largo and Boston flight options. Last updated on October 29, 2026.

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