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Cheap flights from Boston to Cancún from £122

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 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CUN
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Cancun are usually found in September or August, booked 80 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Boston to Cancún

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Cancún
Explore the most affordable flight options available from Boston to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.

Fri 16/1010:26
BOS
-
CUN
1 stop11h 04m
Delta
Tue 27/1008:38
CUN
-
BOS
1 stop11h 17m
Delta
Deal found 16/3£271
Tue 20/1006:00
BOS
-
CUN
2 stops19h 27m
Delta
Fri 23/1008:35
CUN
-
BOS
1 stop11h 02m
Delta
Deal found 16/3£274
Fri 16/1010:26
BOS
-
CUN
1 stop11h 04m
Delta
Fri 23/1006:03
CUN
-
BOS
2 stops15h 23m
Delta
Deal found 16/3£278
Sat 12/908:09
BOS
-
CUN
Nonstop4h 46m
JetBlue
Sat 19/913:15
CUN
-
BOS
Nonstop4h 37m
JetBlue
Deal found 16/3£281
Sat 2/509:55
BOS
-
CUN
1 stop10h 45m
Delta
Thu 7/506:58
CUN
-
BOS
1 stop12h 14m
Delta
Deal found 15/3£281
Sat 6/609:55
BOS
-
CUN
1 stop10h 40m
Delta
Thu 11/606:50
CUN
-
BOS
1 stop12h 30m
Delta
Deal found 18/3£283
Sun 18/1010:26
BOS
-
CUN
1 stop15h 01m
Delta
Fri 23/1008:35
CUN
-
BOS
1 stop11h 02m
Delta
Deal found 16/3£284
Sat 12/910:26
BOS
-
CUN
1 stop9h 37m
Delta
Sat 19/909:20
CUN
-
BOS
1 stop10h 12m
Delta
Deal found 16/3£284
Thu 2/406:35
BOS
-
CUN
1 stop14h 39m
Delta
Mon 6/412:41
CUN
-
BOS
1 stop9h 14m
Delta
Deal found 17/3£286
Fri 3/405:50
BOS
-
CUN
1 stop8h 10m
Delta
Tue 7/416:45
CUN
-
BOS
1 stop7h 28m
Delta
Deal found 18/3£287
Fri 19/605:30
BOS
-
CUN
1 stop8h 17m
Delta
Thu 25/613:30
CUN
-
BOS
Nonstop4h 30m
Delta
Deal found 19/3£287
Sat 25/409:55
BOS
-
CUN
1 stop10h 45m
Delta
Sat 2/514:00
CUN
-
BOS
1 stop8h 36m
Delta
Deal found 17/3£289

Find flight deals from Boston to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Cancún (CUN). 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 20 March 2026.

Round-trip from

£281

One-way from

£122

Popular in

April

Cheapest in

September

Average price

£335
JetBlue
  • JetBlue
  • 12/9-19/9
  • Nonstop
  • 9h 23m total
  • Boston to Cancún
Search Deals
Air Canada
  • Air Canada
  • 29/3
  • 1 total stop
  • 11h 50m total
  • Boston to Cancún
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Cancún 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 858,174 searches. Data last updated 20 March 2026.
Use the filters below to find and compare flights from Boston to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Sat 12/9

08:09-11:55

Nonstop4h 46m

Cancun

Sat 19/9

13:15-18:52

Nonstop4h 37m

£281

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Thu 4/6

09:55-19:35

1 stop10h 40m

Cancun

Tue 9/6

13:30-19:00

Nonstop4h 30m

£281

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Mon 8/6

09:55-19:35

1 stop10h 40m

Cancun

Fri 12/6

13:30-19:00

Nonstop4h 30m

£283

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Sat 20/6

09:55-19:35

1 stop10h 40m

Cancun

Wed 24/6

13:30-19:00

Nonstop4h 30m

£284

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Tue 7/4

08:50-12:30

Nonstop4h 40m

Cancun

Tue 14/4

09:12-20:20

1 stop10h 08m

£289

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Tue 14/4

09:55-19:40

1 stop10h 45m

Cancun

Sun 19/4

13:30-18:51

Nonstop4h 21m

£340

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Sat 20/6

09:55-19:35

1 stop10h 40m

Cancun

Fri 26/6

13:30-19:00

Nonstop4h 30m

£341

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Wed 15/7

09:10-12:30

Nonstop4h 20m

Cancun

Sat 25/7

12:35-23:32

1 stop9h 57m

£345
Fastest return journey

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Sun 24/5

09:06-12:30

Nonstop4h 24m

Cancun

Wed 27/5

13:30-18:48

Nonstop4h 18m

£347

BostonCancún

BOS - CUN

BOSCUN

Boston Logan Intl

Tue 31/3

10:20-20:45

1 stop11h 25m

Cancun

Sun 5/4

13:30-18:54

Nonstop4h 24m

£347

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Boston to Cancún

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

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

Use this chart to determine the optimal time to book a return flight from Boston to Cancún. Price data was last updated on 13 March 2026.

The price you pay for your flight from Boston to Cancún may vary depending on when you book. For the best chance of a lower fare, look to book 80 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 Boston to Cancún?

Currently, May is the cheapest month in which you can book a flight from Boston to Cancún (average of £130). Flying from Boston to Cancún in April is currently the most expensive (average of £179). 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 BOS to CUN?

Find hourly flight availability from Boston to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2026.

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

How much does it cost for a return flight from Boston to Cancún?

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated 20 March 2026.
Read reviews from past customers who have flown with Delta and JetBlue from Boston to Cancún. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,304 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,304 reviews
Delta
7.9
Good
8,304 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,909 reviews
Delta
7.9
Good
8,304 reviews
Check prices

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • What airports do I use to fly from Boston to Cancún?

    If you book a flight from Boston to Cancún, you will be flying from Logan Intl to Cancun. Flights to Cancun (CUN) from Boston Logan Intl (BOS) take 4h 34m for a nonstop flight. There are 4 flights from Logan Intl to Cancún per day from 2 airlines.

  • How popular is this Boston to Cancún flight route?

    Flights from Boston Logan Intl to Cancun have been viewed 1 times in the past calendar month.

  • How long is the flight from Boston to Cancún?

    There are many flights that can get you from Boston to Cancún in 4h 46m. Fly via JetBlue or Delta to get the fastest option. The distance from Boston to Cancún is about 1736 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Cancún round-trip?

    Currently priced at £90, Delta will fly you from Boston to Cancún and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on JetBlue for as low as £96. You may be able to fly from Boston to Cancún for 72% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Boston to Cancún?

    No one likes to see their flight delayed. When booking a flight from Boston to Cancún consider choosing EL AL (58%), Delta (54%) or Aeromexico (54%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Boston to Cancún that include hotel bookings?

    Yes. In addition to deals on Boston to Cancún flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Cancún?

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

  • Can I find deals for business class flights from Boston to Cancún?

    Yes. Cheapflights offers flight deals from Boston to Cancún 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 Boston to Cancún?

    Currently, May is the cheapest month in which you can book a flight from Boston to Cancún (average of £130). Flying from Boston to Cancún in April is currently the most expensive (average of £179). 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.

See more FAQs

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Holbox

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Top 2 airlines flying from Boston to Cancún

Discover the top 2 airlines that operate flights from Boston to Cancún. 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 858,174 searches. Data last updated 20 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£90Average£281FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£96Average£233FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Cancún?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Cancún from Boston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Boston to Cancún?

Cheapflights simply makes it quick and affordable to book flights from Boston to Cancún by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to Cancún with no change fees?

Yes, we can. To see specific flights from Boston to Cancún with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to Cancún become cheaper?

Yes, Cheapflights offers price alerts on Boston to Cancún flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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