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Cheap flights from Seattle (SEA) to Mexico City (NLU)

SEA — NLU
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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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 (NLU). 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 julio 30, 2025.

Popular in

December

Cheapest in

June

Average price

$652
Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 round-trip 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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Mexico City (average of $231). Flying from Seattle to Mexico City in December is currently the most expensive (average of $508). 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.

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.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Seattle to Mexico City (average of $231). Flying from Seattle to Mexico City in December is currently the most expensive (average of $508). 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.

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