Cheap flights from Seattle to Mexico from $140

If you’re not able to fly to Mexico in January, then September is your next best option. Flight prices from Seattle to Mexico during September average around $508.

The cheapest day to depart on your flight to Mexico is on a Tuesday when prices can be found for as low as $636. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $795. These prices are subject to change though, so be sure to set up a Price Alert for flights to Mexico.

Our data shows that the cheapest Seattle to Mexico flights are usually those with departure times in the evening. Our users have found flights to Mexico in the evening for as low as $465. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $719 on average. Flights to Mexico from Seattle in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Seattle/Tacoma Intl to Guadalajara Miguel Hidal for the best Seattle/Tacoma Intl - Mexico flight prices

You are more likely to see cheaper flights to Mexico from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico for around $606 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico from Seattle for as low as $564 on momondo.

There are 4 cabin classes available to choose from on Seattle to Mexico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Volaris, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Mexico

Delta, Volaris and Aeromexico are the top three most popular airlines that fly to Mexico from Seattle according to our data. Delta is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Mexico. Keep in mind that there are 11 different airlines that fly to Mexico on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Seattle and Mexico have experienced a delay on any given week. The average delay length over the past 12 months has been 142 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Aeromexico have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

As of July 2026, 9 flights take off from Seattle and land in Mexico each day. The most common flight departure time for this route is 9:00AM, with 40% of daily flights taking off at noon.

63 flights are operational weekly from Seattle to Mexico as of July 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.