Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Monterrey from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Monterrey departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Monterrey (SEA-MTY)

Cheap round-trip flights

Aeromexico Logo
9:45 pm - 11:02 amSEA-MTY
12h 17m1 stop
Aeromexico Logo
5:47 am - 8:00 pmMTY-SEA
15h 13m1 stop
$338Aeromexico
Find Deal
Fri, Oct 3 - Fri, Oct 10
Volaris Logo
10:15 pm - 9:47 amSEA-MTY
10h 32m1 stop
Volaris Logo
12:38 pm - 8:15 pmMTY-SEA
8h 37m1 stop
$339Volaris
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
10:15 pm - 7:34 amSEA-MTY
8h 19m1 stop
Logo
10:35 am - 10:59 pmMTY-SEA
13h 24m1 stop
$342
Find Deal
Mon, Sep 15 - Tue, Sep 30
Aeromexico Logo
7:15 am - 8:27 pmSEA-MTY
12h 12m2 stops
Aeromexico Logo
11:30 am - 8:00 pmMTY-SEA
9h 30m1 stop
$343Aeromexico
Find Deal
Sat, Oct 4 - Sat, Oct 11
Logo
10:15 pm - 7:34 amSEA-MTY
8h 19m1 stop
Logo
7:00 am - 8:00 pmMTY-SEA
14h 00m1 stop
$354
Find Deal
Sat, Oct 4 - Sat, Oct 11
Delta Logo
9:45 pm - 11:02 amSEA-MTY
12h 17m1 stop
Delta Logo
5:47 am - 8:00 pmMTY-SEA
15h 13m1 stop
$361Delta
Find Deal
Wed, Oct 1 - Fri, Oct 10
Delta Logo
5:30 am - 10:50 pmSEA-MTY
16h 20m2 stops
Delta Logo
5:47 am - 8:00 pmMTY-SEA
15h 13m1 stop
$366Delta
Find Deal
Fri, Oct 3 - Fri, Oct 10
Alaska Airlines Logo
7:59 pm - 3:00 pmSEA-MTY
18h 01m1 stop
Alaska Airlines Logo
3:50 pm - 8:54 amMTY-SEA
18h 04m1 stop
$377Alaska Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 30
American Airlines Logo
3:40 pm - 8:56 amSEA-MTY
16h 16m1 stop
American Airlines Logo
8:00 am - 7:09 pmMTY-SEA
12h 09m1 stop
$385American Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
Alaska Airlines Logo
9:40 pm - 3:00 pmSEA-MTY
16h 20m2 stops
Alaska Airlines Logo
3:50 pm - 8:07 amMTY-SEA
17h 17m2 stops
$420Alaska Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23

Aeromexico flights from Seattle to Monterrey

Our best Aeromexico deals on Seattle to Monterrey flight tickets
Aeromexico
Oct 3
SEA9:45 pmSeattle/Tacoma Intl
12h 17m
1 stop
MTY11:02 amMonterrey Gen Mariano Escobedo
Oct 10
MTY5:47 amMonterrey Gen Mariano Escobedo
15h 13m
1 stop
SEA8:00 pmSeattle/Tacoma Intl
$338
Find similar
Aeromexico
Oct 4
SEA7:15 amSeattle/Tacoma Intl
12h 12m
2 stops
MTY8:27 pmMonterrey Gen Mariano Escobedo
Oct 11
MTY11:30 amMonterrey Gen Mariano Escobedo
9h 30m
1 stop
SEA8:00 pmSeattle/Tacoma Intl
$343
Find similar
Aeromexico
Oct 3
SEA9:45 pmSeattle/Tacoma Intl
12h 17m
1 stop
MTY11:02 amMonterrey Gen Mariano Escobedo
Oct 10
MTY12:35 pmMonterrey Gen Mariano Escobedo
10h 47m
2 stops
SEA10:22 pmSeattle/Tacoma Intl
$353
Find similar

Volaris flights from Seattle to Monterrey

Our best Volaris deals on Seattle to Monterrey flight tickets
Volaris
Sep 16
SEA10:15 pmSeattle/Tacoma Intl
10h 32m
1 stop
MTY9:47 amMonterrey Gen Mariano Escobedo
Sep 23
MTY12:38 pmMonterrey Gen Mariano Escobedo
8h 37m
1 stop
SEA8:15 pmSeattle/Tacoma Intl
$339
Find similar
Volaris
Sep 16
SEA10:15 pmSeattle/Tacoma Intl
8h 19m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Sep 23
MTY8:15 amMonterrey Gen Mariano Escobedo
13h 00m
1 stop
SEA8:15 pmSeattle/Tacoma Intl
$349
Find similar
Volaris
Oct 10
SEA10:15 pmSeattle/Tacoma Intl
12h 42m
1 stop
MTY11:57 amMonterrey Gen Mariano Escobedo
Oct 14
MTY12:38 pmMonterrey Gen Mariano Escobedo
8h 37m
1 stop
SEA8:15 pmSeattle/Tacoma Intl
$370
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Monterrey 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Seattle to Monterrey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Fri 10/3

9:45 pm-11:02 am

1 stop12h 17m

Monterrey Gen Mariano Escobedo

Fri 10/10

5:47 am-8:00 pm

1 stop15h 13m

$338

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Tue 9/16

10:15 pm-9:47 am

1 stop10h 32m

Monterrey Gen Mariano Escobedo

Tue 9/23

12:38 pm-8:15 pm

1 stop8h 37m

$339

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Mon 9/15

10:15 pm-7:34 am

1 stop8h 19m

Monterrey Gen Mariano Escobedo

Tue 9/30

10:35 am-10:59 pm

1 stop13h 24m

$342

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Sat 10/4

7:15 am-8:27 pm

2 stops12h 12m

Monterrey Gen Mariano Escobedo

Sat 10/11

11:30 am-8:00 pm

1 stop9h 30m

$343

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Sat 10/4

10:15 pm-7:34 am

1 stop8h 19m

Monterrey Gen Mariano Escobedo

Sat 10/11

7:00 am-8:00 pm

1 stop14h 00m

$354

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Wed 10/1

9:45 pm-11:02 am

1 stop12h 17m

Monterrey Gen Mariano Escobedo

Fri 10/10

5:47 am-8:00 pm

1 stop15h 13m

$361

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Fri 10/3

5:30 am-10:50 pm

2 stops16h 20m

Monterrey Gen Mariano Escobedo

Fri 10/10

5:47 am-8:00 pm

1 stop15h 13m

$366

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Tue 9/16

7:59 pm-3:00 pm

1 stop18h 01m

Monterrey Gen Mariano Escobedo

Tue 9/30

3:50 pm-8:54 am

1 stop18h 04m

$377

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Sat 9/6

3:40 pm-8:56 am

1 stop16h 16m

Monterrey Gen Mariano Escobedo

Wed 9/10

8:00 am-7:09 pm

1 stop12h 09m

$385

SeattleMonterrey

SEA - MTY

SEAMTY

Seattle/Tacoma Intl

Tue 9/16

9:40 pm-3:00 pm

2 stops16h 20m

Monterrey Gen Mariano Escobedo

Tue 9/23

3:50 pm-8:07 am

2 stops17h 17m

$420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Monterrey from

How to get the cheapest flight ticket from Seattle to Monterrey

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Monterrey?

What is the cheapest month to fly to Monterrey?

The month of August is, on average, the cheapest month to fly to Monterrey from Seattle, with most prices found around $354. If you are unable to visit Monterrey during the month of August, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $384.

What is the cheapest day to depart on your flight to Monterrey?

The cheapest day to depart from Seattle to Monterrey is on a Thursday. Travelers who choose to depart for Monterrey on a Thursday will often find tickets for as low as $655. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $953.

What is the cheapest time of day to depart on your flight to Monterrey?

Our most recent data shows that the best time of day to fly to Monterrey is in the afternoon. Flights from Seattle to Monterrey during this time can be as low as $428. In the evening is when there is more demand to fly to Monterrey, so prices are often more expensive at around $695 per ticket.

How have Seattle to Monterrey flight prices changed over time?

As of August 2025, prices for Seattle to Monterrey flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Monterrey

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Monterrey according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Monterrey (SEA to MTY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Monterrey

Direct flights

None
There are no direct flights from Seattle to Monterrey. There are no popular flight routes from Seattle to Monterrey.
Search flight deals

  • How far is Seattle/Tacoma Intl to Monterrey Gen Mariano Escobedo by plane?

    The distance between Seattle/Tacoma Intl and Monterrey Gen Mariano Escobedo is about 1930.6 mi. Typically, this will take 8h 19m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Monterrey Gen Mariano Escobedo Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Monterrey Gen Mariano Escobedo Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Monterrey Gen Mariano Escobedo Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Monterrey Gen Mariano Escobedo Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Monterrey Gen Mariano Escobedo Airport.

  • What documentation or ID do you need to fly to Monterrey Gen Mariano Escobedo Airport?

    The necessary travel and health documents for your Monterrey Gen Mariano Escobedo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Monterrey?

Best airlines flying from Seattle to Monterrey

Compare and see reviews for airlines that fly from Seattle to Monterrey with momondo
Airline
Rating
Free Cancellation
Price
AeromexicoPriceFrom $329Free CancellationRating
7.4
1,716 reviews
Search Aeromexico flights
Alaska AirlinesPriceFrom $349Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $370Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
American AirlinesPriceFrom $384Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Monterrey?

Book flights to Monterrey if you plan to visit one of these locations
San Pedro Garza Garcia
Guadalupe

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Monterrey?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Monterrey from Seattle.

Can I find flights from Seattle to Monterrey with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Monterrey from Seattle with this policy.

How can momondo help me find flights from Seattle to Monterrey?

Once you have performed a search for Seattle to Monterrey flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Monterrey right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Monterrey flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Monterrey trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Mexico

Fly your favorite airline to Monterrey

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
American Airlines
Delta
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
Spirit Airlines
Ryanair
Emirates
Alaska Airlines