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Cheap flights from Seattle to Mexico City from £202

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MEX
3 Apr — 10 Apr1
1 adult

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 29 March 2025.

Round-trip from

£387

One-way from

£202

Popular in

December

Cheapest in

March

Average price

£511
Aeromexico
  • Aeromexico
  • 17/4-18/4
  • 3 total stops
  • 22h 12m total
  • Seattle to Mexico City
WestJet
  • WestJet
  • 6/7
  • 2 total stops
  • 32h 19m total
  • Seattle to Mexico City
Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from Seattle to Mexico City

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 29 March 2025.

Thu 17/419:50SEA - MEX
1 stop8h 00mAeromexico
Fri 18/410:50MEX - SEA
2 stops14h 12mAeromexico
Deal found 27/3£387
Thu 10/713:15SEA - MEX
2 stops34h 43mWestJet
Wed 16/701:55MEX - SEA
2 stops35h 36mWestJet
Deal found 28/3£406
Sun 13/409:31SEA - MEX
Nonstop5h 24mDelta
Wed 16/410:30MEX - SEA
1 stop12h 29mDelta
Deal found 28/3£477
Sun 11/501:10SEA - MEX
1 stop14h 05mAmerican Airlines
Mon 19/513:10MEX - SEA
1 stop8h 53mAmerican Airlines
Deal found 28/3£563
Wed 21/509:00SEA - MEX
2 stops13h 10mUnited Airlines
Sat 31/506:30MEX - SEA
3 stops15h 41mUnited Airlines
Deal found 28/3£589
Mon 12/509:34SEA - MEX
Nonstop5h 21mMultiple Airlines
Sun 18/501:55MEX - SEA
1 stop12h 03mMultiple Airlines
Deal found 28/3£598

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 29 March 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 17/4

19:50-04:50

1 stop8h 00m

Mexico City Benito Juarez

Fri 18/4

10:50-00:02

2 stops14h 12m

£387

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Thu 10/7

13:15-00:58

2 stops34h 43m

Mexico City Benito Juarez

Wed 16/7

01:55-12:31

2 stops35h 36m

£406

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Sun 13/4

09:31-15:55

Nonstop5h 24m

Mexico City Benito Juarez

Wed 16/4

10:30-21:59

1 stop12h 29m

£477

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Sun 11/5

01:10-16:15

1 stop14h 05m

Mexico City Benito Juarez

Mon 19/5

13:10-21:03

1 stop8h 53m

£563

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Wed 21/5

09:00-23:10

2 stops13h 10m

Mexico City Benito Juarez

Sat 31/5

06:30-21:11

3 stops15h 41m

£589

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Mon 12/5

09:34-15:55

Nonstop5h 21m

Mexico City Benito Juarez

Sun 18/5

01:55-12:58

1 stop12h 03m

£598

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Sun 6/7

15:39-00:58

2 stops32h 19m

£202

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Mon 21/4

09:31-15:55

Nonstop5h 24m

£209

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Sat 12/4

09:31-15:55

Nonstop5h 24m

£257

SeattleMexico City

SEA - MEX

SEAMEX

Seattle/Tacoma Intl

Wed 30/7

00:20-12:45

1 stop11h 25m

£332

Flights are sorted by cheapest return flights first.

Deals found on 27/3

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 21 March 2025.

The best time to book flights from Seattle to Mexico City is 39 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, April is the cheapest month in which you can book a flight from Seattle to Mexico City (average of £791). Flying from Seattle to Mexico City in July is currently the most expensive (average of £1,261). 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 29 March 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.

Rainfall in Mexico City by month

Plan your trip to Mexico City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mexico City ranges from 0.0 - 120.0 inches per month. July is typically the wettest month, when rainfall can reach 120.0 mm. January is typically the driest time to visit Mexico City when rainfall is around 0.0 mm.

Temperature in Mexico City by month

Plan your trip to Mexico City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mexico City, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 13.0 C).

Reviews of airlines servicing Mexico City

Get insights into the airlines that provide service to Mexico City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico City. Reviews last updated 29 March 2025.
To help decide which airline to fly from Seattle to Mexico City, see what other customers have to say about Delta, Aeromexico and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

  • What are the cheapest airlines flying from Seattle to Mexico City round-trip?

    Our cheapest airline available from Seattle to Mexico City is Aeromexico. Our recent data shows that you can find tickets from as low as £387 on this airline. Additional options worth looking into are WestJet and Delta, starting at £406 and £477 round-trip. You may be able to fly from Seattle to Mexico City for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Mexico City one-way?

    One-way options have recently been found by users for as low as £202 on WestJet. Other airlines that offer cheap prices include Delta from £209 and Aeromexico from £222 one-way.

  • 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: Delta (90%), Aeromexico (90%), Virgin Atlantic( 90%).

  • 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, April is the cheapest month in which you can book a flight from Seattle to Mexico City (average of £791). Flying from Seattle to Mexico City in July is currently the most expensive (average of £1,261). 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

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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.

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