$149 Cheap Flights from Portland (PDX) to Cancun (CUN)

View $149 flight on Sun, Oct 5, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Cancun Intl. Airport (CUN)

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Cheap Flights from Portland to Cancun (PDX-CUN)

Prices were available within the past 7 days and start at $149 for one-way flights and $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Oct 26 - Tue, Oct 28
PDX
Portland
CUN
Cancun
$281 Roundtrip, found 4 days ago
$281
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Oct 26 from Portland to Cancun, returning Tue, Oct 28, priced at $281 found 4 days ago
United
Tue, Oct 21 - Thu, Oct 23
PDX
Portland
CUN
Cancun
$293 Roundtrip, found 4 days ago
$293
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 21 from Portland to Cancun, returning Thu, Oct 23, priced at $293 found 4 days ago
Southwest Airlines
Mon, Nov 3 - Fri, Nov 14
PDX
Portland
CUN
Cancun
$326 Roundtrip, just found
$326
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Nov 3 from Portland to Cancun, returning Fri, Nov 14, priced at $326 just found
United
Sat, Dec 6 - Wed, Dec 17
PDX
Portland
CUN
Cancun
$328 Roundtrip, just found
$328
Roundtrip
just found
Select United flight, departing Sat, Dec 6 from Portland to Cancun, returning Wed, Dec 17, priced at $328 just found
American Airlines
Mon, Nov 3 - Fri, Nov 14
PDX
Portland
CUN
Cancun
$329 Roundtrip, just found
$329
Roundtrip
just found
Select American Airlines flight, departing Mon, Nov 3 from Portland to Cancun, returning Fri, Nov 14, priced at $329 just found
United
Sat, Sep 27 - Wed, Oct 1
PDX
Portland
CUN
Cancun
$330 Roundtrip, found 1 hour ago
$330
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Sep 27 from Portland to Cancun, returning Wed, Oct 1, priced at $330 found 1 hour ago
United
Sat, Dec 6 - Wed, Dec 17
PDX
Portland
CUN
Cancun
$331 Roundtrip, just found
$331
Roundtrip
just found
Select United flight, departing Sat, Dec 6 from Portland to Cancun, returning Wed, Dec 17, priced at $331 just found
United
Sat, Dec 6 - Wed, Dec 17
PDX
Portland
CUN
Cancun
$332 Roundtrip, just found
$332
Roundtrip
just found
Select United flight, departing Sat, Dec 6 from Portland to Cancun, returning Wed, Dec 17, priced at $332 just found
Aeromexico
Sat, Dec 6 - Wed, Dec 17
PDX
Portland
CUN
Cancun
$354 Roundtrip, just found
$354
Roundtrip
just found
Select Aeromexico flight, departing Sat, Dec 6 from Portland to Cancun, returning Wed, Dec 17, priced at $354 just found
Alaska Airlines
Sat, Dec 6 - Wed, Dec 17
PDX
Portland
CUN
Cancun
$354 Roundtrip, just found
$354
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Dec 6 from Portland to Cancun, returning Wed, Dec 17, priced at $354 just found

Find the cheapest month to fly from Portland (PDX) to Cancun (CUN)

September is typically the cheapest month to fly

From $274 - $359 per traveler.

Graph displaying average flight prices per month

Flights from Portland (PDX) to Cancun (CUN)
Origin airport
Portland Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United, Volaris
Roundtrip price
$280
Distance
2633 mi

Portland to Cancun Flights

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

 

The best time to book a flight from Portland to Cancun

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $149 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 Portland 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 Portland 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 Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN) cost?
Discover the latest flight deals from PDX to CUN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PDX to CUN?
Secure a low fare by booking your direct flight from PDX to CUN in December. You can find a one-way Alaska Airlines flight for $285 leaving on December 23 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 9 2025 and remains unchanged.
Which airlines fly direct from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN)?
When heading out of Portland Intl. Airport (PDX), you can take a nonstop flight to Cancun Intl. Airport (CUN) with Alaska Airlines.
What is the cheapest airline that flies from PDX to CUN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PDX to CUN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN)?
On average, you can pick from 1 direct weekly flights from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN). For more options, consider taking a flight with a layover. Just enter your details on Expedia and then set the filters to include one or more stops.
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN)?
Flights between PDX and CUN tend to be busiest at 10 AM. If you want a quieter trip and potentially cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from PDX to CUN?
If you depart on a Saturday, you'll get the largest range of choices for flights from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN).
What is the earliest flight from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN)?
Hop on the earliest flight at around 10:45AM UTC-8, departing from Portland Intl. Airport (PDX). You'll be flying for roughly 5h 53m, touching down at Cancun Intl. Airport (CUN) at approximately 7:38PM UTC-5.
How long does it take to fly from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN)?
The average flight duration from PDX to CUN is 5 hours and 53 minutes, covering a total distance of 2,600 mi.
What is the best time to fly from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN)?
Choose a flight from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Portland Intl. Airport (PDX)?
If you're traveling on a direct flight from Portland Intl. Airport (PDX) to Cancun, Cancun Intl. Airport (CUN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN) last-minute?
Last-minute bookings from PDX to CUN are usually more expensive. For the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a PDX to CUN flight and hotel package?
Securing a PDX to CUN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Cancun Intl. Airport (CUN)?
In most instances, you can cancel or modify your PDX to CUN flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.