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$54+ Cheap flights from Key Largo, FL to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BOS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Key Largo to Boston Logan Intl are usually found in September or February, booked 41 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Key Largo to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Boston (BOS). 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 November 21, 2024.

Popular in

March

Cheapest in

September

Round-trip from

$79
(Cheapflightsfares)

One-way from

$54
(Frontier)
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 34% potential price drop
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From Key Largo to Boston Logan Intl
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One-way flight from Key Largo to Boston Logan Intl
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Find flight deals from Key Largo to Boston

Cheapest flights from Key Largo to Boston
Explore the most affordable flight options available from Key Largo to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:15 amMIA - BOS
Nonstop3h 18mSpirit Airlines
Sun 12/85:45 pmBOS - MIA
Nonstop3h 45mSpirit Airlines
Deal found 11/19$79
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/54:40 pmMIA - BOS
1 stop7h 50mMultiple Airlines
Sat 12/75:45 pmBOS - MIA
Nonstop3h 45mMultiple Airlines
Deal found 11/19$81
This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:15 amMIA - BOS
Nonstop3h 27mFrontier
Mon 1/66:00 amBOS - MIA
1 stop6h 24mFrontier
Deal found 11/21$91
This JetBlue deal was found by Cheapflights users on 11/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:35 pmMIA - BOS
Nonstop3h 19mJetBlue
Tue 12/107:00 amBOS - MIA
Nonstop3h 33mJetBlue
Deal found 11/20$117
This Delta deal was found by Cheapflights users on 11/20. 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 12/57:55 pmMIA - BOS
Nonstop3h 29mDelta
Sun 12/83:55 pmBOS - MIA
Nonstop3h 44mDelta
Deal found 11/20$118
This American Airlines deal was found by Cheapflights users on 11/19. 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 11/269:08 pmMIA - BOS
Nonstop3h 18mAmerican Airlines
Tue 12/34:20 pmBOS - MIA
Nonstop3h 39mAmerican Airlines
Deal found 11/19$168

Find flights from Key Largo to Boston within your budget

Customize your flight search to find flights from Key Largo to Boston 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiBoston

MIA - BOS

MIABOS

Miami

Tue 12/3

6:15 am-9:33 am

Nonstop3h 18m

Boston Logan Intl

Sun 12/8

5:45 pm-9:30 pm

Nonstop3h 45m

$79

MiamiBoston

MIA - BOS

MIABOS

Miami

Wed 1/8

11:06 am-2:28 pm

Nonstop3h 22m

Boston Logan Intl

Sun 1/12

11:37 am-3:22 pm

Nonstop3h 45m

$80

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 1/9

1:35 pm-12:30 am

1 stop10h 55m

Boston Logan Intl

Sun 1/12

11:37 am-3:22 pm

Nonstop3h 45m

$88

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 12/5

6:35 pm-9:54 pm

Nonstop3h 19m

Boston Logan Intl

Mon 12/9

1:50 pm-5:25 pm

Nonstop3h 35m

$117

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 12/5

11:11 am-2:35 pm

Nonstop3h 24m

Boston Logan Intl

Sun 12/8

3:55 pm-7:39 pm

Nonstop3h 44m

$118

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 12/5

11:00 am-2:36 pm

Nonstop3h 36m

Boston Logan Intl

Fri 12/6

4:30 pm-8:14 pm

Nonstop3h 44m

$207

MiamiBoston

MIA - BOS

MIABOS

Miami

Fri 1/10

8:25 am-9:40 pm

2 stops13h 15m

Boston Logan Intl

Tue 1/14

1:25 pm-10:25 pm

1 stop9h 00m

$231

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 12/5

4:40 pm-12:30 am

1 stop7h 50m

$54

MiamiBoston

MIA - BOS

MIABOS

Miami

Sun 12/15

5:48 am-9:02 am

Nonstop3h 14m

$57

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 12/5

6:35 pm-9:54 pm

Nonstop3h 19m

$59

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 15 results
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Best time to book a flight from Key Largo to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Key Largo with our price prediction graph.
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.

Travel insights for flights from Key Largo to Boston

Get recent, data-driven insights about flights from Key Largo to Boston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Key Largo to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Boston. Price data was last updated on November 15, 2024.

The price you pay for your flight from Key Largo to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Key Largo to Boston?

Currently, January is the cheapest month in which you can book a flight from Key Largo to Boston (average of $218). Flying from Key Largo to Boston in July is currently the most expensive (average of $311). 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.

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

Find hourly flight availability from Key Largo to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Boston as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Boston. Price data was last updated on November 18, 2024.

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

Weekly flight availability from Key Largo to Boston

Explore weekly flight availability from Key Largo to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from KE9 to BOS are scheduled on a Wednesday (30 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

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.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated November 21, 2024.
To help decide which airline to fly from Key Largo to Boston, see what other customers have to say about Spirit Airlines, Frontier and JetBlue. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,395 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 19 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 27 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 Frontier, which is currently one of the cheapest options available, starting at $54. Spirit Airlines flights start at $57 while deals on JetBlue start at $59 one-way.

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

    Consider Japan Airlines (100%), Republic Airways (100%) or LATAM Airlines (90%) 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 $831 for a flight from Key Largo to Boston. The cheapest flight overall is $48 while the most popular route, (Miami - Boston Logan Intl) is currently priced at $59.

  • 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.

  • What is the cheapest month to book a flight from Key Largo to Boston?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Boston (average of $218). Flying from Key Largo to Boston in July is currently the most expensive (average of $311). 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.

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Top 6 airlines flying from Key Largo to Boston

Discover the top 6 airlines that operate flights from Key Largo to Boston. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$166FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$73Average$328FlexibilityNo cancel feeOn-time62%
FrontierCheapest$75Average$138FlexibilityNo cancel feeOn-time62%
DeltaCheapest$101Average$289FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$129Average$326FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$322FlexibilityNo cancel feeOn-time69%
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