Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Cancún from C$ 214

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUN
22 Jun — 29 Jun1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Cancun are usually found in September or October, booked 29 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Seattle to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Cancún (CUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 June 2025.

Round-trip from

C$ 460

One-way from

C$ 214

Popular in

December

Cheapest in

September

Average price

C$ 836

Good round-trip deal

C$ 388 or less
Delta
  • Delta
  • 5/9-8/9
  • 1 total stop
  • 16h 35m total
  • Seattle to Cancún
Search Deals
Delta
  • Delta
  • 19/10
  • Nonstop
  • 5h 45m total
  • Seattle to Cancún
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Cancun.
Search Deals

Find flight deals from Seattle to Cancún

Cheapest flights from Seattle to Cancún
Explore the most affordable flight options available from Seattle to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 June 2025.

Fri 5/97:23 a.m.SEA - CUN
Nonstop5h 49mDelta
Mon 8/911:14 a.m.CUN - SEA
1 stop10h 46mDelta
Deal found 16/6C$ 460
Tue 30/97:59 p.m.SEA - CUN
1 stop17h 01mHawaiian Airlines
Sun 5/104:10 p.m.CUN - SEA
Nonstop6h 33mHawaiian Airlines
Deal found 17/6C$ 578
Thu 31/75:10 a.m.SEA - CUN
1 stop9h 02mUnited Airlines
Sun 3/83:46 p.m.CUN - SEA
1 stop9h 13mUnited Airlines
Deal found 16/6C$ 603
Sun 24/85:47 p.m.SEA - CUN
2 stops19h 13mAlaska Airlines
Thu 28/84:10 p.m.CUN - SEA
2 stops17h 05mAlaska Airlines
Deal found 16/6C$ 630
Sat 28/66:25 a.m.SEA - CUN
1 stop7h 57mFrontier
Tue 1/73:05 p.m.CUN - SEA
1 stop10h 39mFrontier
Deal found 15/6C$ 668
Sun 23/1111:59 p.m.SEA - CUN
1 stop12h 55mJetBlue
Fri 28/111:55 p.m.CUN - SEA
1 stop11h 54mJetBlue
Deal found 16/6C$ 672
Wed 5/115:40 a.m.SEA - CUN
2 stops11h 45mSouthwest
Tue 11/112:05 p.m.CUN - SEA
2 stops11h 25mSouthwest
Deal found 15/6C$ 676
Sun 13/75:30 p.m.SEA - CUN
2 stops15h 50mMultiple Airlines
Sun 20/73:25 p.m.CUN - SEA
1 stop11h 09mMultiple Airlines
Deal found 15/6C$ 707
Thu 7/812:58 a.m.SEA - CUN
1 stop7h 57mAmerican Airlines
Mon 18/812:30 p.m.CUN - SEA
1 stop11h 30mAmerican Airlines
Deal found 15/6C$ 718
Fri 8/87:20 a.m.SEA - CUN
2 stops14h 13mAeromexico
Mon 18/87:00 a.m.CUN - SEA
2 stops11h 51mAeromexico
Deal found 17/6C$ 873

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Cancún 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, Cheapflights users made 629,999 searches. Data last updated 17 June 2025.
Use the filters below to find and compare flights from Seattle to Cancún that are best for you.

Fly from

Seattle

Fly to

Cancún

Route

Depart

Return

Price

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 5/9

7:23 a.m.-3:12 p.m.

Nonstop5h 49m

Cancun

Mon 8/9

11:14 a.m.-8:00 p.m.

1 stop10h 46m

C$ 460

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 30/9

7:59 p.m.-3:00 p.m.

1 stop17h 01m

Cancun

Sun 5/10

4:10 p.m.-8:43 p.m.

Nonstop6h 33m

C$ 578

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 31/7

5:10 a.m.-4:12 p.m.

1 stop9h 02m

Cancun

Sun 3/8

3:46 p.m.-10:59 p.m.

1 stop9h 13m

C$ 603

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 24/8

5:47 p.m.-3:00 p.m.

2 stops19h 13m

Cancun

Thu 28/8

4:10 p.m.-7:15 a.m.

2 stops17h 05m

C$ 630

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 28/6

6:25 a.m.-4:22 p.m.

1 stop7h 57m

Cancun

Tue 1/7

3:05 p.m.-11:44 p.m.

1 stop10h 39m

C$ 668

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 23/11

11:59 p.m.-3:54 p.m.

1 stop12h 55m

Cancun

Fri 28/11

1:55 p.m.-10:49 p.m.

1 stop11h 54m

C$ 672

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Wed 5/11

5:40 a.m.-8:25 p.m.

2 stops11h 45m

Cancun

Tue 11/11

2:05 p.m.-10:30 p.m.

2 stops11h 25m

C$ 676

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sun 13/7

5:30 p.m.-11:20 a.m.

2 stops15h 50m

Cancun

Sun 20/7

3:25 p.m.-12:34 a.m.

1 stop11h 09m

C$ 707

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 7/8

12:58 a.m.-10:55 a.m.

1 stop7h 57m

Cancun

Mon 18/8

12:30 p.m.-10:00 p.m.

1 stop11h 30m

C$ 718

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 8/8

7:20 a.m.-11:33 p.m.

2 stops14h 13m

Cancun

Mon 18/8

7:00 a.m.-4:51 p.m.

2 stops11h 51m

C$ 873

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

Showing 1-10 of 17 results
1
2

Best time to book a flight from Seattle to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Cancún

How far ahead should I book a flight from Seattle to Cancún?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Cancún. Price data was last updated on 13 June 2025.

The price you pay for your flight from Seattle to Cancún may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Cancún?

Currently, April is the cheapest month in which you can book a flight from Seattle to Cancún (average of C$ 298). Flying from Seattle to Cancún in July is currently the most expensive (average of C$ 464). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to CUN?

Find hourly flight availability from Seattle to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 June 2025.

It’s typically best to fly out from Seattle to Cancún at noon. Doing so could potentially save you 60% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Seattle to Cancún

Explore weekly flight availability from Seattle to Cancún. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 June 2025.

The most flights from SEA to CUN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Cancún by month

Plan your trip to Cancún by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cancún ranges from 29.0 - 282.0 mm per month. October is typically the wettest month, when rainfall can reach 282.0 mm. April is typically the driest time to visit Cancún when rainfall is around 29.0 mm.

Temperature in Cancún by month

Plan your trip to Cancún by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.0 C).

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated 17 June 2025.
To help decide which airline to fly from Seattle to Cancún, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Hawaiian Airlines
7.8
Good
2,504 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Aeromexico
7.5
Good
1,712 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Cancún?

    If you wish to fly to Cancún from Seattle, then you need to book flights from Seattle/Tacoma Intl to Cancun. There are 3 flights from Seattle/Tacoma Intl (SEA) to Cancun (CUN) per day to choose from. Flights to Cancún from Seattle/Tacoma Intl are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 5h 50m is how long a nonstop flight from Seattle to Cancun typically takes.

  • How popular is this Seattle to Cancún flight route?

    The Seattle/Tacoma Intl to Cancun flight path was viewed by 91 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Seattle to Cancún round-trip?

    Delta, at C$ 460, was found to be the cheapest airline from Seattle to Cancún.Alternate airlines to your destination round-trip include United Airlines and Aeromexico. You may be able to fly from Seattle to Cancún for 41% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Cancún one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 214. Users have also found prices from C$ 229 and C$ 247 on Southwest and Alaska Airlines, respectively.

  • What are the most reliable airlines from Seattle to Cancún?

    No one likes to see their flight delayed. When booking a flight from Seattle to Cancún consider choosing Qatar Airways (100%), Alaska Airlines (97%) or Delta (95%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Cancún?

    On average you can expect to pay C$ 594 for a flight from Seattle to Cancún. The cheapest flight overall is C$ 388 while the most popular route, (Seattle/Tacoma Intl - Cancun) is currently priced at C$ 520.

  • Can I find deals for flights from Seattle to Cancún that include hotel bookings?

    Yes. In addition to deals on Seattle to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Cancún.

  • Can I find deals for business class flights from Seattle to Cancún?

    Yes. Cheapflights offers flight deals from Seattle to Cancún by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Cancún?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Cancún (average of C$ 298). Flying from Seattle to Cancún in July is currently the most expensive (average of C$ 464). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Cancún

Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 June 2025.
Pearson Intl to Cancún flights
Vancouver Intl to Cancún flights
Calgary to Cancún flights
Edmonton to Cancún flights
Halifax to Cancún flights
Pearson Intl to Tulum flights
Cancún to Mexico City flights
Cancún to Guadalajara flights
Cancún to Mexico City flights
Cancún to Monterrey flights
Cancún to Mexico City flights
Cancún to Puerto Vallarta flights
Cancún to Guatemala City flights
Cancún to Oaxaca flights
Cancún to Mexico City flights
Cancún to San José, San José Province flights
Cancún to Toronto Region of Waterloo Intl Airport flights
Cancún to Miami flights
Cancún to Toronto Pearson Intl Airport flights
Cancún to Calgary flights
Cancún to Denver flights
Cancún to Vancouver Intl Airport flights
Cancún to Vancouver Intl Airport flights
Cancún to Toronto Pearson Intl Airport flights

Top 4 airlines flying from Seattle to Cancún

Discover the top 4 airlines that operate flights from Seattle to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 307AverageC$ 956FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 388AverageC$ 725FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
AeromexicoCheapestC$ 446AverageC$ 773FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
Alaska AirlinesCheapestC$ 537AverageC$ 739FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Cancún?

Cheapflights helps you search for flights from Seattle to Cancún via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Cancún?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Cancún by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Cancún with no change fees?

Yes, we can. To see specific flights from Seattle to Cancún with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Cancún become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.