Find flights
Deals
When to book
FAQs

Cheap flights from Seattle to Mexico City from £207

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEX
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Seattle to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Mexico City (MEX). 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 14 October 2025.

Round-trip from

£331

One-way from

£207

Popular in

December

Cheapest in

September

Average price

£443
26/11-3/12
  • 26/11-3/12
  • 2 total stops
  • 46h 34m total
  • Seattle to Mexico City
Search Deals
Delta
  • Delta
  • 16/1
  • Nonstop
  • 5h 30m total
  • Seattle to Mexico City
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Seattle to Mexico City

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Mexico City
Explore the most affordable flight options available from Seattle to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.

Wed 26/1120:17SEA - MEX
1 stop18h 48mMultiple Airlines
Wed 3/1211:55MEX - SEA
1 stop27h 46mMultiple Airlines
Deal found 12/10£331
Fri 28/1111:55SEA - MEX
2 stops11h 05mWestJet
Sun 7/1201:55MEX - SEA
1 stop14h 25mWestJet
Deal found 14/10£445
Sun 23/1111:55SEA - MEX
2 stops11h 05mWestJet
Fri 28/1101:55MEX - SEA
2 stops34h 27mWestJet
Deal found 14/10£463
Sun 7/1210:25SEA - MEX
1 stop11h 04mDelta
Tue 13/115:50MEX - SEA
Nonstop6h 10mDelta
Deal found 14/10£498
Sat 22/1111:55SEA - MEX
2 stops35h 05mWestJet
Mon 1/1201:55MEX - SEA
2 stops20h 55mWestJet
Deal found 12/10£528
Wed 26/1122:55SEA - MEX
2 stops48h 05mWestJet
Sun 30/1101:55MEX - SEA
1 stop14h 25mWestJet
Deal found 14/10£540

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to Mexico City 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 14 October 2025.
Use the filters below to find and compare flights from Seattle to Mexico City that are best for you.

Fly from

Seattle

Fly to

Mexico City

Route

Depart

Return

Price

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Thu 1/1

09:30-17:00

Nonstop5h 30m

Mexico City Benito Juarez

Thu 15/1

15:50-20:00

Nonstop6h 10m

£480

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Tue 20/1

09:30-17:00

Nonstop5h 30m

Mexico City Benito Juarez

Sun 1/2

15:50-20:00

Nonstop6h 10m

£495

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Sun 11/1

09:30-17:00

Nonstop5h 30m

Mexico City Benito Juarez

Sat 7/2

15:50-20:00

Nonstop6h 10m

£495

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Sun 22/2

09:30-17:00

Nonstop5h 30m

Mexico City Benito Juarez

Sun 1/3

15:50-20:00

Nonstop6h 10m

£495

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Mon 9/2

09:30-17:00

Nonstop5h 30m

Mexico City Benito Juarez

Wed 18/2

15:50-20:00

Nonstop6h 10m

£516

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Thu 2/4

09:21-15:55

Nonstop5h 34m

Mexico City Benito Juarez

Wed 15/4

15:00-19:51

Nonstop5h 51m

£516

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Thu 29/1

09:30-17:00

Nonstop5h 30m

Mexico City Benito Juarez

Tue 3/2

15:50-20:00

Nonstop6h 10m

£517

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Tue 17/2

17:40-01:00

2 stops29h 20m

Mexico City Benito Juarez

Mon 2/3

01:55-14:19

1 stop14h 24m

£518

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Tue 7/4

13:30-11:36

1 stop21h 06m

Mexico City Benito Juarez

Tue 14/4

15:00-19:51

Nonstop5h 51m

£519

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Fri 16/1

09:30-17:00

Nonstop5h 30m

£207

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 18 results
1
2

Best time to book a flight from Seattle to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from Seattle 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 Seattle to Mexico City

How far ahead should I book a flight from Seattle to Mexico City?

Use this chart to determine the optimal time to book a return flight from Seattle to Mexico City. Price data was last updated on 10 October 2025.

The best time to book flights from Seattle to Mexico City is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Mexico City?

Currently, August is the cheapest month in which you can book a flight from Seattle to Mexico City (average of £132). Flying from Seattle to Mexico City in January is currently the most expensive (average of £426). 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 SEA to MEX?

Find hourly flight availability from Seattle to Mexico City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 October 2025.

When flying from Seattle to Mexico City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • How popular is this Seattle to Mexico City flight route?

    The Seattle/Tacoma Intl to Mexico City Benito Juarez flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Mexico City?

    There are many flights that can get you from Seattle to Mexico City in 5h 30m. Fly via Delta to get the fastest option. There are 2333 mi between Seattle and Mexico City. Generally, flights for this route are direct.

  • What are the most reliable airlines from Seattle to Mexico City?

    Before booking your flight to Mexico City from Seattle, check out the most reliable airlines to get you to your destination on time: Virgin Atlantic (100%), Delta (87%), Aeromexico( 87%).

  • Can I find deals for flights from Seattle to Mexico City that include hotel bookings?

    Yes. In addition to deals on Seattle to Mexico City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Mexico City?

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

  • Can I find deals for business class flights from Seattle to Mexico City?

    Yes. Cheapflights offers flight deals from Seattle to Mexico City 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 Seattle to Mexico City?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Mexico City (average of £132). Flying from Seattle to Mexico City in January is currently the most expensive (average of £426). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Seattle to Mexico City?

When you search for this flight from Seattle to Mexico City, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Mexico City?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Mexico City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Mexico City with no change fees?

Certainly. Search results for flights to Mexico City from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Mexico City become cheaper?

Yes! Start tracking prices for Seattle to Mexico City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.