$240 Cheap Flights from Boise (BOI) to Cancun (CUN)

View $240 flight on Mon, Jul 20, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Cancun Intl. Airport (CUN)

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Cheap Flights from Boise to Cancun (BOI-CUN)

Prices were available within the past 7 days and start at $240 for one-way flights and $387 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Aug 20 - Wed, Aug 26
BOI
Boise
CUN
Cancun
$387 Roundtrip, found 5 days ago
$387
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Aug 20 from Boise to Cancun, returning Wed, Aug 26, priced at $387 found 5 days ago
Frontier Airlines
Thu, Aug 27 - Sat, Sep 5
BOI
Boise
CUN
Cancun
$408 Roundtrip, found 3 days ago
$408
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Aug 27 from Boise to Cancun, returning Sat, Sep 5, priced at $408 found 3 days ago
Frontier Airlines
Sun, Jun 28 - Sat, Jul 4
BOI
Boise
CUN
Cancun
$427 Roundtrip, found 3 days ago
$427
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Jun 28 from Boise to Cancun, returning Sat, Jul 4, priced at $427 found 3 days ago
Aeromexico
Sun, Jul 12 - Wed, Jul 22
BOI
Boise
CUN
Cancun
$444 Roundtrip, found 3 days ago
$444
Roundtrip
found 3 days ago
Select Aeromexico flight, departing Sun, Jul 12 from Boise to Cancun, returning Wed, Jul 22, priced at $444 found 3 days ago
Frontier Airlines
Sun, Aug 9 - Sat, Aug 15
BOI
Boise
CUN
Cancun
$448 Roundtrip, found 5 days ago
$448
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sun, Aug 9 from Boise to Cancun, returning Sat, Aug 15, priced at $448 found 5 days ago
Delta
Mon, Aug 17 - Sat, Aug 22
BOI
Boise
CUN
Cancun
$452 Roundtrip, found 4 days ago
$452
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Aug 17 from Boise to Cancun, returning Sat, Aug 22, priced at $452 found 4 days ago
Frontier Airlines
Tue, Jun 2 - Mon, Jun 8
BOI
Boise
CUN
Cancun
$453 Roundtrip, found 6 days ago
$453
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Jun 2 from Boise to Cancun, returning Mon, Jun 8, priced at $453 found 6 days ago
Southwest Airlines
Mon, Aug 17 - Sat, Aug 22
BOI
Boise
CUN
Cancun
$455 Roundtrip, found 4 days ago
$455
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Aug 17 from Boise to Cancun, returning Sat, Aug 22, priced at $455 found 4 days ago
Southwest Airlines
Mon, Aug 17 - Sat, Aug 22
BOI
Boise
CUN
Cancun
$460 Roundtrip, found 4 days ago
$460
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Aug 17 from Boise to Cancun, returning Sat, Aug 22, priced at $460 found 4 days ago
United
Tue, Aug 25 - Tue, Sep 1
BOI
Boise
CUN
Cancun
$488 Roundtrip, found 2 days ago
$488
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 25 from Boise to Cancun, returning Tue, Sep 1, priced at $488 found 2 days ago

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 $677
CUN
Cancun Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $677

Frequently asked questions

How much does a flight from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) cost?
You can find cheap one-way flights from $240 and cheap return flights from $387 Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) with Expedia. One-way flights usually range from $238 to $1180, and return flights typically cost between $510 and $2168. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
September is the cheapest month to fly from Boise, ID (BOI) to Cancun, Quintana Roo (CUN), with average round-trip fares around $478. This price is about 16% lower than the average throughout the year, as travel demand tends to decrease after the summer peak. Other affordable months to consider for this route are January and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Enter BOI to CUN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.), with round-trip tickets starting from around $334 with a layover in Denver Intl. (DEN). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
To find a cheap flight from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
For flights from Boise to Cancun, the best times to travel are in September and August. You can expect to pay about $478 for a return flight during these months. September is particularly appealing as it comes after the peak summer season, leading to lower prices and a more relaxed atmosphere in Cancun.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The earliest flight from Boise (BOI) to Cancun (Cancun Intl.) typically leaves at around 12:55 AM, operated by Delta. This service is seasonal and active in May, June, July, and August. An early flight can help you maximize your time in Cancun. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
For flights from Boise (BOI) to Cancun (CUN), the most popular departure times are in the early morning, from 6am to 9am. About 45% of passengers choose this time window. Many major carriers, including American Airlines, Delta Airlines, and United Airlines, offer flights during this window. This timing is favored as it lets you maximize your time in Cancun upon arrival.
How long does it take to fly from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Flying from BOI to CUN with a connection usually takes about 20 hours 20 minutes, traveling roughly 2,293 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Business class seats are offered on the BOI to CUN route with Delta Air Lines and United Airlines.
How do I earn miles on a Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight with Expedia?
It's easy to earn miles on a Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cancun from BOI (BOI)?
If you're planning to travel to Cancun from BOI (BOI), you can fly into Cancun Intl. (CUN) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), Sky Harbor Intl. (PHX) before reaching Cancun. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) at the last minute?
Typically, booking a last minute flight from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight and hotel package?
Securing a Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) Quintana Roo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
If you booked your Boise, ID (BOI) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Boise
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$386
Distance
2292 mi

Book with confidence

Boise to Cancun Flights

The cheapest times to fly from Boise 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 Boise to Cancun are during the month of August. You can find some of the cheapest flights from Boise to Cancun with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Cancun

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise to Cancun in 2026. You can also book with separate airlines for your outbound and return journeys, from $240 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 Boise 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 Boise 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.

 

Boise to Cancun Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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