SEA - MTY

$140 Find Cheap Flights from Seattle to Monterrey

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Monterrey departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Monterrey

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Monterrey, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Monterrey, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Seattle to Monterrey (SEA-MTY)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Monterrey that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Monterrey

Fri, Aug 8 - Sat, Aug 16
Aeromexico Logo
10:00 pm - 8:01 amSEA-MTY
9h 01m1 stop
Aeromexico Logo
10:25 am - 8:00 pmMTY-SEA
10h 35m1 stop
$330Aeromexico
Find Deal
Fri, Sep 12 - Sun, Sep 14
Aeromexico Logo
9:30 am - 7:10 pmSEA-MTY
8h 40m1 stop
Aeromexico Logo
7:20 am - 8:00 pmMTY-SEA
13h 40m1 stop
$345Aeromexico
Find Deal
Thu, Aug 28 - Thu, Sep 4
Alaska Airlines Logo
12:00 pm - 3:00 pmSEA-MTY
26h 00m1 stop
Alaska Airlines Logo
3:50 pm - 8:54 amMTY-SEA
18h 04m1 stop
$358Alaska Airlines
Find Deal
Sun, Sep 21 - Fri, Sep 26
Delta Logo
5:30 am - 5:05 pmSEA-MTY
10h 35m2 stops
Delta Logo
11:05 am - 8:00 pmMTY-SEA
9h 55m1 stop
$360Delta
Find Deal
Fri, Aug 8 - Sat, Aug 16
Alaska Airlines Logo
6:45 pm - 2:55 pmSEA-MTY
19h 10m1 stop
Alaska Airlines Logo
3:45 pm - 2:25 pmMTY-SEA
23h 40m2 stops
$364Alaska Airlines
Find Deal
Sun, Aug 10 - Mon, Aug 18
Delta Logo
10:00 pm - 2:35 pmSEA-MTY
15h 35m1 stop
Delta Logo
12:25 pm - 10:07 pmMTY-SEA
10h 42m1 stop
$366Delta
Find Deal
Thu, Aug 28 - Thu, Sep 4
United Airlines Logo
3:19 pm - 8:37 amSEA-MTY
16h 18m2 stops
United Airlines Logo
10:00 am - 10:15 pmMTY-SEA
13h 15m2 stops
$504United Airlines
Find Deal
Thu, Aug 21 - Fri, Aug 29
American Airlines Logo
12:58 am - 8:52 amSEA-MTY
6h 54m1 stop
American Airlines Logo
7:14 am - 4:48 pmMTY-SEA
10h 34m1 stop
$507American Airlines
Find Deal
Thu, Aug 7 - Sat, Aug 16
United Airlines Logo
12:20 am - 11:41 amSEA-MTY
10h 21m1 stop
United Airlines Logo
3:58 pm - 10:37 pmMTY-SEA
7h 39m1 stop
$521United Airlines
Find Deal
Sun, Sep 21 - Fri, Sep 26
American Airlines Logo
6:11 am - 10:40 pmSEA-MTY
15h 29m1 stop
American Airlines Logo
8:00 am - 9:23 pmMTY-SEA
14h 23m1 stop
$919American Airlines
Find Deal
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KAYAK's insights & trends for Seattle to Monterrey flights

Get data-powered insights and trends into flights from Seattle to Monterrey to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Monterrey?

The average price of all round-trip flights from Seattle to Monterrey clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Monterrey on a Thursday and more expensive on a Sunday. On your return trip to Seattle, you should consider flying back on a Wednesday, and avoid Sundays for better deals.

What is the cheapest month to fly from Seattle to Monterrey?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Monterrey, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Monterrey is August, where tickets cost $354 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $864 and $717 respectively.

Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$140
Best time to beat the crowds but there is an average 26% increase in price.
Most popular time to fly with an average 54% increase in price.
Flight from Seattle to Monterrey

When to book flights from Seattle to Monterrey

Are your dates flexible? Find out the best times to travel from Seattle to Monterrey based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Monterrey

  • What is the cheapest flight from Seattle to Monterrey?

    In the last 3 days, the lowest price for a flight from Seattle to Monterrey was $140 for a one-way ticket and $330 for a round-trip.

  • Do I need a passport to fly between Seattle and Monterrey?

    A passport is required to fly from Seattle to Monterrey.

  • Which aircraft models fly most regularly from Seattle to Monterrey?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Monterrey?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Monterrey, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Seattle to Monterrey, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Seattle to Monterrey are Alaska Airlines and Delta. With an average price for the route of $442 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $890 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Seattle to Monterrey?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Monterrey.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Monterrey?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Monterrey from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Monterrey?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Monterrey with an airline and back to Seattle with another airline. Booking your flights between Seattle and MTY can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Monterrey?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Monterrey from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Seattle to Monterrey

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Monterrey. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Monterrey? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
8.1Boarding
8.5Crew
7.1Food
7.1Entertainment
7.8Comfort
Airline reviews

There was a delay, then we were boarded, then deboarded, then waited another hour for a new flight, then boarded again and arrived 2 hours later than expected while traveling with 3 young children.

2.0 MediocreDaniel, Jul 2025SEA - BUR
Read more Alaska Airlines reviews

There was a delay, then we were boarded, then deboarded, then waited another hour for a new flight, then boarded again and arrived 2 hours later than expected while traveling with 3 young children.

I don't like that this survey shows Good for everything. Everything was not Good. I didn't eat any of the food. I didnt' have any entertainment. You need to have a NA choice. My flight was satisfactory until I debarked the plane and fell on the Jetway. The jetway sections had a slight inclined edge, which I tripped on. I was near the plane's exit door, but neither of the flight attendants helped me get up. I was helped by two other passengers. Also, I explained to the counter staff about falling and no one seemed to understand what I was telling them. I said I fell on the ramp, which was not the correct term. The passenger who was sitting next to me on the plane did a better job of explaining to your staff where I fell and that I was in a lot of pain. I also wanted to report the incident and no one helped with that. I was then offered a wheelchair. The passenger who helped me stayed with me until the wheelchair arrived. I asked the wheelchair attendant if there was anyone I could report the incident to and he said there was no one. Really???? My daughter picked me up at the door. I tipped the attendant for his service from the Alaska counter to her car. Before leaving the property, my daughter called the airport to report the incident. We were advised to go to the to a hospital ER. A Cat Scan showed I broke the 6th rib on the right side. My daughter was sent paperwork to complete from the agent with whom she spoke before we left the airport.

Flight attendant was excellent, pleasant and attentive. Announcements were clear and pleasant.

seats good, foot space comfortable not good, waiting on tormack at Las Vegas

6 hour flight from Seattle to Dulles airport without any WiFi and movies, as well as now snacks is crazy. We were told no WiFi and entertainment 5 hours before departure.

Wifi would be nice. Unfortunately the particular airplane was not equipped with wifi.

I'm so glad that Alaska still keeps this little "puddle-jumper" route going between SEA>ALW; my daughter lives on Walla Walla, and it's so much quicker to be able to fly right in to Walla Walla than to have to fly into Tri-Cities and then make her drive 40 minutes each way. This flight is usually only 50%-75% full when I fly it, but that's because it doesn't get in to ALW until MIDNIGHT! But thanks for continuing to service the Walla Walla area, Alaska!

Seats very comfortable and legroom appreciated. All in all, it was a great experience.

Original flight was canceled, and the automatically booked second flight was immediately delayed. I arrived about 4 hours later than planned with only a $12 meal voucher that didn't fully cover a sandwich at airport prices.

I was expecting better service from Alaska Airlines. I registered for assistance since I have a disability. The terminal in Seattle, WA was very unprofessional and at times rude. The BWI location was the exact opposite. I will NOT consider Alaska Airlines for future flights.

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

Food was surprisingly good but the WiFi was not great

this crew didn't care much. bumping carts into seats more times than i care to remember

Very late arrival at PWM. Late jet getting to ATL. Equipment problem with aircraft - could not get enough water onto plane., Another delay getting FAA approval for flight with bottled H2O. Not the crew’s problem.

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

Overpriced tickets and attitudes to pay for such service. So bummed.

Flight was delayed long enough that I was misding my connecting flight. The agents could not get me on a comparable flight, nor could they get me s Main Cabin seat I had paid for, nor could they get me on a comparable connecting flight. The gate agent would not issue meal vouchers, even though I was delayed over six hours! I had to spend over an hour and 15 minutes with customer service on the phone to See if they could get me on a better flight and get a meal voucher. Customer service was not helpful enough in trying to find alternate flights and it Ended up taking me 24 hours for a 12 hour trip!! Delta does not provide upgrades NOR will they even give you a pass for a few hours to their lounge. They claim that they do not issue daily passes to their lounge anymore. I call BS since this would be no extra cost to them to provide excellent customer service and give you a few hours to relax in comfort when you’re sitting in a crowded airport and your flight has been screwed up for that many hours.

The ground staff were not as friendly and nice to the passengers as the air crew. Flight attendants, cockpit crew were great and very nice to everyone on board.

My flight was delayed, then I got transferred to a new flight that was also delayed- which wasn’t Aeromexico’s fault, it was because of weather conditions. Most of the crew was very nice and patient, except for one or two flight attendants who were rude. The entertainment wasn’t on, so all the screens were off.

My wife's entertainment system did not work. Payed for flight upgrade but did not receive advertised "free WiFi".

Annoying that we had to go to departures and get boarding passes. Should allow us to be booked all the way through, this is the only airline i have this problem with in MEX. Late boarding and take off

Lousy No wheelchair. As normal at Atlanta Cheap airline Cheap aero plane. - Neither entertainment nor food on a 5 hour saga

The airplane was an old airplane, seats were very uncomfortable and very little space, they changed my seat and that was no option to get back into my seat even when I was traveling a senior who required assistance.

This is not a low cost airline. Stop acting like o e.

Aeromexico crew made me check my hand luggage in the door of the plane. As soon as I reach Mexico City, I notice that my luggage was opened and 8 games of Nintendo Switch were stolen (700 dllrs value aprox) (the console was there) but the games were stolen. I am very dissapointed of Aeromexico and all the crew. Instead of being a good trip, It was a sad trip

Ok. But we arrived to a remote terminal which meant that a bus had to take us to the terminal building

Old aircraft the audio of the entertainment dosent work Dirty seats

United could have one single once of customer service. No human United employee would help me with the invalid mileage plus number, they said I had to speak with the computer.

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

It was delayed instead of departing at 9:20pm, we departed at 11pm… putting us in Columbus after 2am! It was awful. Had I known about the delay, I could have spent some time in the United Lounge… I was starving because I started my journey in Budapest… so I was exhausted and hungry. Plus I had to make new arrangements to be picked up at the airport in Columbus, instead of midnight it was 2:30 am after getting luggage and out of airport. Not feasible. I would have just stayed in Chicago for the night and gotten a morning flight.

Not a great experience. We paid for the upgrade for premium economy seats and seated ourselves in very comfortable seats. Someone came along with the same seat on their boarding pass. The aircraft had been changed and as a result we were booted out and sent further back to small uncomfortable seats. After complaining we were moved to emergency row seats, which gave us more leg room but the seats don’t recline. For people in our 70’s we found having to sit upright from California to NJ very uncomfortable. Not sure why they chose to move senior citizens instead of the two people that were allowed to take the more comfortable seats. Not happy.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

The food should improve! And The flight should leave on time and not make the traveler wait.

It was great, I’m very grateful for the pilots and crew flight attendants for everything.

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

A little bit more leg room in premium economy. I am 6’4”.

Overall it was good. I missed my connection but I was put on another flight.

Overall fine, but the delay was annoying and the reasons for the delay were not communicated. The crew on board were phenomenal!

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

Overall very good, only complaint I have is the crew from CLT to SAT could have collected trash sooner.

The AA app really sucks ... Every flight & connecting flights were delayed over 30 mins. One connecting flight on American Eagle said it was delayed in its arrival ... when it was actually parked across from the gate for over 1 hr before they pulled it to the gate. Seats in the economy/ main cabin are packed together like sardines ... no leg room.

Initial flight was cancelled at the time of arrival to the airport, flight alternative requires switching from direct to flight with a layover, and the plane felt like it would split apart, it was so rattle-y.

Amazing food, great staff, with one noticable detail missing ...but no seat entertainment in any of aircraft ...I am not a fan

Flight was delayed again and again ultimately almost three hours getting us to our location at close to midnight by the time we got in and out of airport to destination. I had taken time off work to enjoy an evening at destination and that was now wasted

AA re-routed flight from HNL to LAX due to delay. My group of 3 with reserved seats in row 9 was broken up, with one assigned to a middle seat, another in the last row of the plane. Not happy. No explanation to the delay. No apologies. No compensation. Would have been nice to be offered an Admiral Club admission or a voucher for the extra 3 hours of layover in LAX. Could not hear the boarding gate announcements in LAX. Adjacent gate was boarding at the same time. Loud speakers were competing against each other. Barely made my boarding group.

Boarding gate in Honolulu was staffed with a great clerk with a soothing voice despite the flight delay of over an hour. Flight attendants in the plane were all grumpy, not pleasant looking bunch. Their sour attitude showed throughout the flight. Inly able to get a select few movies started. Most of the movie links in the “free entertainment” did not work.

Everything you need to know for your flight from Seattle to Monterrey

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