$156 Cheap Flights from Seattle (SEA) to Mexico City (MEX)

View $156 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Benito Juarez International Airport (MEX)

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Cheap Flights from Seattle to Mexico City (SEA-MEX)

Prices were available within the past 7 days and start at $156 for one-way flights and $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Volaris
Mon, Feb 23 - Sun, Mar 15
SEA
Seattle
MEX
Mexico City
$352 Roundtrip, found 14 hours ago
$352
Roundtrip
found 14 hours ago
Select Volaris flight, departing Mon, Feb 23 from Seattle to Mexico City, returning Sun, Mar 15, priced at $352 found 14 hours ago
Volaris
Wed, Mar 11 - Sun, Mar 15
SEA
Seattle
MEX
Mexico City
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select Volaris flight, departing Wed, Mar 11 from Seattle to Mexico City, returning Sun, Mar 15, priced at $356 found 2 days ago
Volaris
Thu, May 14 - Tue, May 19
SEA
Seattle
MEX
Mexico City
$360 Roundtrip, found 2 days ago
$360
Roundtrip
found 2 days ago
Select Volaris flight, departing Thu, May 14 from Seattle to Mexico City, returning Tue, May 19, priced at $360 found 2 days ago
Volaris
Wed, Feb 4 - Thu, Feb 5
SEA
Seattle
MEX
Mexico City
$365 Roundtrip, found 5 days ago
$365
Roundtrip
found 5 days ago
Select Volaris flight, departing Wed, Feb 4 from Seattle to Mexico City, returning Thu, Feb 5, priced at $365 found 5 days ago
Aeromexico
Mon, Nov 17 - Tue, Nov 18
SEA
Seattle
MEX
Mexico City
$366 Roundtrip, found 5 hours ago
$366
Roundtrip
found 5 hours ago
Select Aeromexico flight, departing Mon, Nov 17 from Seattle to Mexico City, returning Tue, Nov 18, priced at $366 found 5 hours ago
Volaris
Wed, Apr 15 - Sun, Apr 19
SEA
Seattle
MEX
Mexico City
$369 Roundtrip, found 5 days ago
$369
Roundtrip
found 5 days ago
Select Volaris flight, departing Wed, Apr 15 from Seattle to Mexico City, returning Sun, Apr 19, priced at $369 found 5 days ago
Volaris
Sat, Jan 24 - Tue, Feb 3
SEA
Seattle
MEX
Mexico City
$374 Roundtrip, found 2 days ago
$374
Roundtrip
found 2 days ago
Select Volaris flight, departing Sat, Jan 24 from Seattle to Mexico City, returning Tue, Feb 3, priced at $374 found 2 days ago
United
Tue, Oct 14 - Fri, Oct 24
SEA
Seattle
MEX
Mexico City
$426 Roundtrip, found 5 hours ago
$426
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Oct 14 from Seattle to Mexico City, returning Fri, Oct 24, priced at $426 found 5 hours ago
Frontier Airlines
Mon, Oct 6 - Tue, Oct 28
SEA
Seattle
MEX
Mexico City
$489 Roundtrip, found 1 day ago
$489
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Oct 6 from Seattle to Mexico City, returning Tue, Oct 28, priced at $489 found 1 day ago
Delta
Fri, Oct 17 - Fri, Oct 24
SEA
Seattle
MEX
Mexico City
$542 Roundtrip, found 2 hours ago
$542
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Oct 17 from Seattle to Mexico City, returning Fri, Oct 24, priced at $542 found 2 hours ago

Find the cheapest month to fly from Seattle (SEA) to Mexico City (MEX)

February is typically the cheapest month to fly

From $318 - $531 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Mexico City (MEX)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Mexico City Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, Frontier Airlines, United, Volaris
Roundtrip price
$352
Distance
2333 mi
Average flight time
4 hours 35 mins

Seattle to Mexico City Flights

The cheapest times to fly from Seattle to Mexico City

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

 

The best time to book a flight from Seattle to Mexico City

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

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 Mexico City in 2025. You can also book with separate airlines for your outbound and return journeys, from $156 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 Mexico City 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 Mexico City 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 Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX) cost?
Lock in a cheap one-way flight from $156 or cheap return flight from $352 from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX) 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 Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
February is the least expensive month to fly from SEA to MEX. Timing your trip outside of the busy season is often the key to landing a great deal.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
If you're departing from Seattle - Tacoma Intl. Airport (SEA), you can get on a direct flight to Mexico City Intl. Airport (MEX) with Aeromexico.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
To find the cheapest airline flying from SEA to MEX, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
On average, Seattle - Tacoma Intl. Airport (SEA) only has 1 direct flight to Mexico City Intl. Airport (MEX) each day. For additional options, try our easy-to-use filters. Enter your preferred travel dates, then select "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
More travelers fly between SEA and MEX at 9 AM than at any other time. Looking for a quieter experience? Consider flying outside peak hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from SEA to MEX?
If you travel on a Friday, you'll get the biggest range of options for flights from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
Seattle - Tacoma Intl. Airport (SEA)'s earliest flight to Mexico City Intl. Airport (MEX) departs at approximately 9:24AM UTC-8. With a total flight time of 5h 36m, you'll arrive at around 5:00PM UTC-6.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
The average flight duration from SEA to MEX is 5 hours and 35 minutes, covering a distance of 2,300 mi.
What airline has the least delays from SEA to MEX?
Delta Air Lines has the strongest track record for on-time direct flights from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX), with an on-time score of 100%. Use the Expedia App to check your flight schedule before you go and receive notifications about any changes.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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 Mexico City from Seattle - Tacoma Intl. Airport (SEA)?
Mexico City Intl. Airport (MEX) is the only airport in Mexico City with direct flights from Seattle - Tacoma Intl. Airport (SEA). Browse your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX) last-minute?
Waiting until just before your departure to book a ticket from SEA to MEX generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a SEA to MEX flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to MEX flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and select from our extensive range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Mexico City Intl. Airport (MEX)?
If you booked your SEA to MEX flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.