Cheap flights from Seattle to Mexico from $103

If you’re not able to fly to Mexico in October, then September is your next best option. Flight prices from Seattle to Mexico during September average around $471.

The cheapest day to depart on your flight to Mexico is on a Monday when prices can be found for as low as $554. 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 Saturday because tickets tend to average around $625. 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 morning. Our users have found flights to Mexico in the morning for as low as $578. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $781 on average. Flights to Mexico from Seattle in the evening 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 $553 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 $492 on momondo.

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

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

Delta, Aeromexico and Alaska Airlines 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 41% of people opting to fly with this airline when traveling to Mexico. Keep in mind that there are 10 different airlines that fly to Mexico on a routine basis, so you have a few additional options to choose from.

Historically, on average around 9% 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 136 minutes.

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

Thursday 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 March 2026, 17 flights take off from Seattle and land in Mexico each day. The most common flight departure time for this route is 9:00AM, with 90% of daily flights taking off at noon.

125 flights are operational weekly from Seattle to Mexico as of March 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.