$349 Cheap Flights from Morelia (MLM) to Seattle (SEA)

View $349 flight on Fri, Sep 12, 2025Opens in a new window

Popular airlines from General Francisco Mujica Intl. Airport (MLM) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Morelia to Seattle (MLM-SEA)

Prices were available within the past 7 days and start at $349 for one-way flights and $522 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Aug 15 - Sat, Sep 13
MLM
Morelia
SEA
Seattle
$522 Roundtrip, found 6 days ago
$522
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Morelia to Seattle, returning Sat, Sep 13, priced at $522 found 6 days ago
Frontier Airlines
Fri, Aug 15 - Sun, Sep 14
MLM
Morelia
SEA
Seattle
$554 Roundtrip, found 6 days ago
$554
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Morelia to Seattle, returning Sun, Sep 14, priced at $554 found 6 days ago
Frontier Airlines
Mon, Sep 29 - Sat, Oct 18
MLM
Morelia
SEA
Seattle
$561 Roundtrip, found 1 day ago
$561
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Sep 29 from Morelia to Seattle, returning Sat, Oct 18, priced at $561 found 1 day ago
Frontier Airlines
Thu, Sep 25 - Sat, Oct 18
MLM
Morelia
SEA
Seattle
$570 Roundtrip, found 1 day ago
$570
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Sep 25 from Morelia to Seattle, returning Sat, Oct 18, priced at $570 found 1 day ago
Frontier Airlines
Sat, Sep 27 - Sat, Oct 11
MLM
Morelia
SEA
Seattle
$579 Roundtrip, found 3 days ago
$579
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Sep 27 from Morelia to Seattle, returning Sat, Oct 11, priced at $579 found 3 days ago
Frontier Airlines
Sun, Aug 10 - Thu, Sep 18
MLM
Morelia
SEA
Seattle
$581 Roundtrip, found 6 days ago
$581
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Aug 10 from Morelia to Seattle, returning Thu, Sep 18, priced at $581 found 6 days ago
United
Tue, Aug 26 - Wed, Sep 10
MLM
Morelia
SEA
Seattle
$601 Roundtrip, found 3 days ago
$601
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 26 from Morelia to Seattle, returning Wed, Sep 10, priced at $601 found 3 days ago
Delta
Wed, Aug 27 - Sun, Aug 31
MLM
Morelia
SEA
Seattle
$601 Roundtrip, found 3 days ago
$601
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Aug 27 from Morelia to Seattle, returning Sun, Aug 31, priced at $601 found 3 days ago
American Airlines
Wed, Oct 29 - Tue, Nov 11
MLM
Morelia
SEA
Seattle
$605 Roundtrip, found 2 days ago
$605
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Morelia to Seattle, returning Tue, Nov 11, priced at $605 found 2 days ago
Aeromexico
Tue, Aug 12 - Tue, Sep 16
MLM
Morelia
SEA
Seattle
$750 Roundtrip, found 3 hours ago
$750
Roundtrip
found 3 hours ago
Select Aeromexico flight, departing Tue, Aug 12 from Morelia to Seattle, returning Tue, Sep 16, priced at $750 found 3 hours ago

Find the cheapest month to fly from Morelia (MLM) to Seattle (SEA)

April is typically the cheapest month to fly

From $489 - $1,043 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $604
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $604
Flights from Morelia (MLM) to Seattle (SEA)
Origin airport
General Francisco Mujica Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aeromexico, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$521
Distance
2249 mi

Morelia to Seattle Flights

The cheapest times to fly from Morelia to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Morelia to Seattle are during the month of August. You can find some of the cheapest flights from Morelia to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Morelia to Seattle

Sunday is one of the best days to book for cheap flights from Morelia to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Morelia to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Morelia to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $349 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Morelia to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Morelia to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from General Francisco Mujica Intl. Airport (MLM) to Seattle - Tacoma Intl. Airport (SEA) cost?
Discover the latest flight deals from MLM to SEA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MLM to SEA?
The cheapest flights from MLM to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MLM to SEA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MLM to SEA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from General Francisco Mujica Intl. Airport (MLM) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from General Francisco Mujica Intl. Airport (MLM) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MLM to SEA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from General Francisco Mujica Intl. Airport (MLM) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid possible delays on the General Francisco Mujica Intl. Airport (MLM) to Seattle - Tacoma Intl. Airport (SEA) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from General Francisco Mujica Intl. Airport (MLM) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your plane ticket from MLM to SEA shortly before your getaway is generally more expensive. But if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a MLM to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a MLM to SEA flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Just pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from General Francisco Mujica Intl. Airport (MLM) to Seattle - Tacoma Intl. Airport (SEA)?
In most cases, you can reschedule or cancel your MLM to SEA flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more details, visit our Customer Service portal.

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Seattle nearby Airports

Seattle Paine Field Intl. Airport

Morelia to Seattle Paine Field Intl. Airport
$528.04
*Available to One Key members.