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Cheap flights from Seattle to Cancún from C$ 277

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CUN
25 Feb — 4 Mar1
1 adult

The best prices from Seattle/Tacoma Intl to Cancun are usually found in September or October, booked 19 days in advance, depart on a Tuesday or Wednesday 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 20 February 2025.

Round-trip from

C$ 591

One-way from

C$ 277

Popular in

December

Cheapest in

September

Average price

C$ 918

Good round-trip deal

C$ 582 or less
Alaska Airlines
  • Alaska Airlines
  • 11/3-19/3
  • Nonstop
  • 12h 45m total
  • Seattle to Cancún
Search Deals
Delta
  • Delta
  • 12/3
  • Nonstop
  • 5h 50m total
  • Seattle to Cancún
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 20 February 2025.

Tue 11/37:00 a.m.SEA - CUN
Nonstop6h 00mAlaska Airlines
Mon 17/34:10 p.m.CUN - SEA
Nonstop6h 50mAlaska Airlines
Deal found 19/2C$ 591
Tue 18/310:00 p.m.SEA - CUN
1 stop9h 25mAmerican Airlines
Wed 26/312:15 p.m.CUN - SEA
1 stop10h 41mAmerican Airlines
Deal found 19/2C$ 609
Thu 27/27:32 p.m.SEA - CUN
1 stop18h 48mUnited Airlines
Tue 4/31:10 p.m.CUN - SEA
1 stop11h 05mUnited Airlines
Deal found 19/2C$ 611
Tue 4/37:00 a.m.SEA - CUN
Nonstop6h 00mHawaiian Airlines
Tue 18/37:10 p.m.CUN - SEA
1 stop17h 50mHawaiian Airlines
Deal found 19/2C$ 632
Thu 27/27:15 a.m.SEA - CUN
Nonstop5h 54mAeromexico
Tue 4/35:19 p.m.CUN - SEA
Nonstop6h 55mAeromexico
Deal found 19/2C$ 634
Mon 24/37:10 a.m.SEA - CUN
Nonstop5h 50mDelta
Wed 26/34:10 p.m.CUN - SEA
Nonstop6h 45mDelta
Deal found 19/2C$ 639
Thu 6/32:02 p.m.SEA - CUN
1 stop21h 40mMultiple Airlines
Sun 9/310:30 p.m.CUN - SEA
2 stops18h 23mMultiple Airlines
Deal found 19/2C$ 658
Fri 8/85:08 p.m.SEA - CUN
1 stop19h 13mFrontier
Mon 18/83:15 p.m.CUN - SEA
1 stop11h 28mFrontier
Deal found 20/2C$ 715
Thu 17/46:33 p.m.SEA - CUN
1 stop13h 31mSun Country Air
Wed 23/412:05 p.m.CUN - SEA
1 stop31h 14mSun Country Air
Deal found 19/2C$ 756
Sat 5/411:30 a.m.SEA - CUN
2 stops16h 36mWestJet
Fri 11/44:15 p.m.CUN - SEA
2 stops24h 19mWestJet
Deal found 18/2C$ 818
Fri 21/25:30 a.m.SEA - CUN
2 stops11h 30mSouthwest
Fri 28/23:00 p.m.CUN - SEA
2 stops12h 25mSouthwest
Deal found 19/2C$ 865

Find flights from Seattle to Cancún within your budget

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 20 February 2025.

Fly from

Seattle

Fly to

Cancún

Route

Depart

Return

Price

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 11/3

7:10 a.m.-3:00 p.m.

Nonstop5h 50m

Cancun

Sun 16/3

4:10 p.m.-8:55 p.m.

Nonstop6h 45m

C$ 591

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 18/3

10:00 p.m.-9:25 a.m.

1 stop9h 25m

Cancun

Wed 26/3

12:15 p.m.-8:56 p.m.

1 stop10h 41m

C$ 609

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 7/3

7:34 p.m.-7:13 a.m.

1 stop8h 39m

Cancun

Mon 10/3

12:00 p.m.-9:15 p.m.

1 stop11h 15m

C$ 611

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 21/4

3:58 p.m.-6:35 a.m.

1 stop12h 37m

Cancun

Tue 29/4

4:11 p.m.-8:58 p.m.

Nonstop6h 47m

C$ 618

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 4/3

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

Nonstop6h 00m

Cancun

Tue 11/3

7:10 p.m.-10:00 a.m.

1 stop16h 50m

C$ 632

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 6/3

2:02 p.m.-2:42 p.m.

1 stop21h 40m

Cancun

Sun 9/3

10:30 p.m.-2:53 p.m.

2 stops18h 23m

C$ 658

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 8/8

5:08 p.m.-2:21 p.m.

1 stop19h 13m

Cancun

Mon 18/8

3:15 p.m.-12:43 a.m.

1 stop11h 28m

C$ 715

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Sat 22/3

7:10 a.m.-11:38 p.m.

2 stops14h 28m

Cancun

Wed 26/3

4:10 p.m.-8:55 p.m.

Nonstop6h 45m

C$ 716

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 17/4

6:33 p.m.-10:04 a.m.

1 stop13h 31m

Cancun

Wed 23/4

12:05 p.m.-5:19 p.m.

1 stop31h 14m

C$ 756

SeattleCancún

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Thu 6/3

7:57 p.m.-12:40 p.m.

2 stops13h 43m

Cancun

Sun 9/3

9:08 a.m.-11:46 a.m.

2 stops28h 38m

C$ 767

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 23 results
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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.

Travel insights for flights from Seattle to Cancún

Get recent, data-driven insights about flights from Seattle to Cancún including ideal travel times, pricing trends, and more.

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 14 February 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 19 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 20 February 2025.

It’s typically best to fly out from Seattle to Cancún at noon. Doing so could potentially save you 56% on the flight price compared to flying in the morning, 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 20 February 2025.

The most flights from SEA to CUN are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 20 February 2025.
To help decide which airline to fly from Seattle to Cancún, see what other customers have to say about Southwest, Delta and Alaska Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,412 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,227 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,691 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,771 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 5 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 49m 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 93 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?

    Alaska Airlines, at C$ 591, was found to be the cheapest airline from Seattle to Cancún.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Seattle to Cancún for 27% 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$ 277. Users have also found prices from C$ 284 and C$ 298 on United Airlines 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 (97%), Alaska Airlines (91%) or Hawaiian Airlines (89%) 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$ 688 for a flight from Seattle to Cancún. The cheapest flight overall is C$ 366 while the most popular route, (Seattle/Tacoma Intl - Cancun) is currently priced at C$ 682.

  • 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.

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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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapestC$ 387AverageC$ 800FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
DeltaCheapestC$ 449AverageC$ 687FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 541AverageC$ 752FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 657AverageC$ 1,078FlexibilityNo cancel feeOn-time69%
Search United 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!

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