$102 Cheap Flights from Boston (BOS) to Cancun (CUN)

View $102 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Cancun Intl. Airport (CUN)

Cheap Flights from Boston to Cancun (BOS-CUN)

Prices were available within the past 7 days and start at $102 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Sep 6 - Tue, Sep 9
BOS
Boston
CUN
Cancun
$232 Roundtrip, found 2 hours ago
$232
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, Sep 6 from Boston to Cancun, returning Tue, Sep 9, priced at $232 found 2 hours ago
Spirit Airlines
Wed, Sep 3 - Fri, Sep 5
BOS
Boston
CUN
Cancun
$232 Roundtrip, found 1 hour ago
$232
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Sep 3 from Boston to Cancun, returning Fri, Sep 5, priced at $232 found 1 hour ago
Spirit Airlines
Tue, Sep 2 - Thu, Sep 4
BOS
Boston
CUN
Cancun
$234 Roundtrip, found 1 hour ago
$234
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Sep 2 from Boston to Cancun, returning Thu, Sep 4, priced at $234 found 1 hour ago
Spirit Airlines
Wed, Sep 3 - Wed, Sep 17
BOS
Boston
CUN
Cancun
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Wed, Sep 3 from Boston to Cancun, returning Wed, Sep 17, priced at $236 found 3 days ago
Spirit Airlines
Sat, Sep 6 - Tue, Sep 16
BOS
Boston
CUN
Cancun
$246 Roundtrip, found 8 hours ago
$246
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Sat, Sep 6 from Boston to Cancun, returning Tue, Sep 16, priced at $246 found 8 hours ago
Spirit Airlines
Wed, Sep 10 - Sat, Sep 20
BOS
Boston
CUN
Cancun
$246 Roundtrip, found 8 hours ago
$246
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Wed, Sep 10 from Boston to Cancun, returning Sat, Sep 20, priced at $246 found 8 hours ago
Southwest Airlines
Mon, Sep 8 - Sat, Sep 20
BOS
Boston
CUN
Cancun
$256 Roundtrip, found 3 days ago
$256
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, Sep 8 from Boston to Cancun, returning Sat, Sep 20, priced at $256 found 3 days ago
Aeromexico
Mon, Sep 1 - Mon, Sep 8
BOS
Boston
CUN
Cancun
$291 Roundtrip, just found
$291
Roundtrip
just found
Select Aeromexico flight, departing Mon, Sep 1 from Boston to Cancun, returning Mon, Sep 8, priced at $291 just found
Delta
Mon, Sep 1 - Sat, Sep 6
BOS
Boston
CUN
Cancun
$291 Roundtrip, found 3 hours ago
$291
Roundtrip
found 3 hours ago
Select Delta flight, departing Mon, Sep 1 from Boston to Cancun, returning Sat, Sep 6, priced at $291 found 3 hours ago
JetBlue Airways
Thu, Sep 11 - Thu, Sep 18
BOS
Boston
CUN
Cancun
$311 Roundtrip, just found
$311
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Sep 11 from Boston to Cancun, returning Thu, Sep 18, priced at $311 just found

Find the cheapest month to fly from Boston (BOS) to Cancun (CUN)

January is typically the cheapest month to fly

From $232 - $371 per traveler.

Graph displaying average flight prices per month

Alternative airports near Cancun

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cancun Intl. CUN. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $291
CUN
Cancun Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $291
Flights from Boston (BOS) to Cancun (CUN)
Origin airport
Logan Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$231
Distance
1736 mi
Average flight time
3 hours 23 mins

Boston to Cancun Flights

The cheapest times to fly from Boston to Cancun

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Cancun are during the month of September. You can find some of the cheapest flights from Boston to Cancun with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Cancun

Sunday is one of the best days to book for cheap flights from Boston to Cancun: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Cancun

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $102 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Cancun flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Cancun airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN) cost?
Secure a cheap one-way flight from $102 or cheap return flight from $232 from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
Flying in September can help you save, as it's the cheapest month for flights between BOS and CUN. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
Enjoy a seamless journey to Cancun Intl. Airport (CUN). 3 carriers offer direct flights from Logan Intl. Airport (BOS), including:

  • JetBlue Airways
  • Delta Air Lines
  • American Airlines

What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
While prices can change depending on when you travel, American Airlines and Delta Air Lines are often frequently picked for flights between Logan Intl. Airport (BOS) and Cancun Intl. Airport (CUN). You can also compare carriers on Expedia and use the "Sort by" filter to find the best deal for your BOS to CUN flight.
How many flights per day from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
When departing from Logan Intl. Airport (BOS), you can pick from an average of 3 daily direct flights to Cancun Intl. Airport (CUN).
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
More people fly between BOS and CUN at 10 AM than at any other time of day. Looking to skip the crowds? Try choosing a quieter departure window and it's possible you'll save on your ticket as well.
What day of the week has the most flights from BOS to CUN?
If you jet off on a Saturday, you'll get the biggest range of options for flights from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN).
What is the earliest flight from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
Logan Intl. Airport (BOS)'s earliest flight to Cancun Intl. Airport (CUN) departs at approximately 7:05AM UTC-5. With a total journey time of 4h 50m, you'll touch down at around 11:55AM UTC-5.
How long does it take to fly from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
It usually takes 4 hours and 47 minutes to cover the 1,750 mi from BOS to CUN.
What airline has the least delays from BOS to CUN?
Consider booking with American Airlines if you'd like to go straight from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time score of 91%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Cancun from Logan Intl. Airport (BOS)?
Browse your flight options from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN). This is the only airport in Cancun you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN) last-minute?
Holding off until just before your departure to book a flight from BOS to CUN often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a BOS to CUN flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to CUN flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Cancun Intl. Airport (CUN)?
If you reserved your BOS to CUN flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.