$335 Cheap Flights from Seattle (SEA) to Chetumal (CTM)

View $335 flight on Sat, Jan 10, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Chetumal, Quintana Roo (CTM-Chetumal Intl.)

Cheap Flights from Seattle to Chetumal (SEA-CTM)

Prices were available within the past 7 days and start at $335 for one-way flights and $670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Mon, Feb 9 - Wed, Feb 18
SEA
Seattle
CTM
Chetumal
$670 Roundtrip, found 16 hours ago
$670
Roundtrip
found 16 hours ago
Select Aeromexico flight, departing Mon, Feb 9 from Seattle to Chetumal, returning Wed, Feb 18, priced at $670 found 16 hours ago
Delta
Mon, Feb 9 - Wed, Feb 18
SEA
Seattle
CTM
Chetumal
$670 Roundtrip, found 16 hours ago
$670
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Feb 9 from Seattle to Chetumal, returning Wed, Feb 18, priced at $670 found 16 hours ago
Delta
Sat, Jan 17 - Sat, Jan 31
SEA
Seattle
CTM
Chetumal
$680 Roundtrip, found 4 days ago
$680
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 17 from Seattle to Chetumal, returning Sat, Jan 31, priced at $680 found 4 days ago
Delta
Mon, Feb 9 - Wed, Feb 18
SEA
Seattle
CTM
Chetumal
$710 Roundtrip, found 16 hours ago
$710
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Feb 9 from Seattle to Chetumal, returning Wed, Feb 18, priced at $710 found 16 hours ago
Delta
Sun, Feb 22 - Wed, Mar 4
SEA
Seattle
CTM
Chetumal
$719 Roundtrip, found 6 days ago
$719
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Feb 22 from Seattle to Chetumal, returning Wed, Mar 4, priced at $719 found 6 days ago
Delta
Mon, Feb 9 - Wed, Feb 18
SEA
Seattle
CTM
Chetumal
$720 Roundtrip, found 16 hours ago
$720
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Feb 9 from Seattle to Chetumal, returning Wed, Feb 18, priced at $720 found 16 hours ago
Delta
Sun, Feb 22 - Wed, Mar 11
SEA
Seattle
CTM
Chetumal
$729 Roundtrip, found 6 days ago
$729
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Feb 22 from Seattle to Chetumal, returning Wed, Mar 11, priced at $729 found 6 days ago
Aeromexico
Mon, Feb 9 - Wed, Feb 18
SEA
Seattle
CTM
Chetumal
$740 Roundtrip, found 16 hours ago
$740
Roundtrip
found 16 hours ago
Select Aeromexico flight, departing Mon, Feb 9 from Seattle to Chetumal, returning Wed, Feb 18, priced at $740 found 16 hours ago
Delta
Sat, Feb 7 - Sat, Feb 28
SEA
Seattle
CTM
Chetumal
$749 Roundtrip, found 4 days ago
$749
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Feb 7 from Seattle to Chetumal, returning Sat, Feb 28, priced at $749 found 4 days ago
Air Canada
Wed, Jan 14 - Tue, Feb 3
SEA
Seattle
CTM
Chetumal
$815 Roundtrip, found 4 days ago
$815
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Jan 14 from Seattle to Chetumal, returning Tue, Feb 3, priced at $815 found 4 days ago

Alternative airports near Chetumal

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

Select flight to Chetumal Intl. CTM. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $1,393
CTM
Chetumal Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $1,393

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM) cost?
Grab a cheap one-way flight from $335 or cheap return flight from $670 from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM)?
Flying in February may help you find better deals, as it's the cheapest month for flights between SEA and CTM. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to CTM. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM)?
There aren't any daily nonstop flights available from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from SEA to CTM?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM) last-minute?
Last-minute bookings from SEA to CTM are usually more expensive. To lock in the best rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a SEA to CTM flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to CTM flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Chetumal Intl. Airport (CTM)?
Typically, you can cancel or reschedule your SEA to CTM flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Chetumal Intl.
Airlines serving
Aeromexico, Delta
Roundtrip price
$669
Distance
2766 mi

Book with confidence

Seattle to Chetumal Flights

The cheapest times to fly from Seattle to Chetumal

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 Seattle to Chetumal are during the month of February. You can find some of the cheapest flights from Seattle to Chetumal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Chetumal

Sunday is one of the best days to book for cheap flights from Seattle to Chetumal: 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 Seattle to Chetumal

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 Seattle to Chetumal in 2025. You can also book with separate airlines for your outbound and return journeys, from $335 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 Seattle to Chetumal 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 Seattle to Chetumal 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.

 

Seattle to Chetumal Flights

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*Available to One Key members.