£141 Cheap Flights from Cancun (CUN) to Seattle (SEA)

View £141 flight on Fri, 26 Sep 2025Opens in a new window

Popular airlines from Cancun Intl. Airport (CUN) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Cancun (CUN) to Seattle (SEA)

Prices were available within the past 7 days and start at £141 for one-way flights and £380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Sat, 13 Sep - Sat, 20 Sep
CUN
Cancun
SEA
Seattle
£380 Return, found 6 days ago
£380
Return
found 6 days ago
Select Aeromexico flight, departing Sat, 13 Sep from Cancun to Seattle, returning Sat, 20 Sep, priced at £380 found 6 days ago
Volaris
Thu, 4 Sep - Wed, 10 Sep
CUN
Cancun
SEA
Seattle
£383 Return, found 4 days ago
£383
Return
found 4 days ago
Select Volaris flight, departing Thu, 4 Sep from Cancun to Seattle, returning Wed, 10 Sep, priced at £383 found 4 days ago
JetBlue Airways
Thu, 4 Sep - Wed, 10 Sep
CUN
Cancun
SEA
Seattle
£384 Return, found 4 days ago
£384
Return
found 4 days ago
Select JetBlue Airways flight, departing Thu, 4 Sep from Cancun to Seattle, returning Wed, 10 Sep, priced at £384 found 4 days ago
JetBlue Airways
Thu, 4 Sep - Wed, 10 Sep
CUN
Cancun
SEA
Seattle
£402 Return, found 4 days ago
£402
Return
found 4 days ago
Select JetBlue Airways flight, departing Thu, 4 Sep from Cancun to Seattle, returning Wed, 10 Sep, priced at £402 found 4 days ago
Aeromexico
Sat, 13 Sep - Sat, 20 Sep
CUN
Cancun
SEA
Seattle
£407 Return, found 6 days ago
£407
Return
found 6 days ago
Select Aeromexico flight, departing Sat, 13 Sep from Cancun to Seattle, returning Sat, 20 Sep, priced at £407 found 6 days ago
Aeromexico
Mon, 11 Aug - Mon, 18 Aug
CUN
Cancun
SEA
Seattle
£418 Return, found 2 days ago
£418
Return
found 2 days ago
Select Aeromexico flight, departing Mon, 11 Aug from Cancun to Seattle, returning Mon, 18 Aug, priced at £418 found 2 days ago
Aeromexico
Mon, 11 Aug - Mon, 18 Aug
CUN
Cancun
SEA
Seattle
£423 Return, found 2 days ago
£423
Return
found 2 days ago
Select Aeromexico flight, departing Mon, 11 Aug from Cancun to Seattle, returning Mon, 18 Aug, priced at £423 found 2 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
CUN
Cancun
SEA
Seattle
£426 Return, found 4 days ago
£426
Return
found 4 days ago
Select Air Canada flight, departing Thu, 4 Sep from Cancun to Seattle, returning Wed, 10 Sep, priced at £426 found 4 days ago
Aeromexico
Thu, 4 Sep - Wed, 10 Sep
CUN
Cancun
SEA
Seattle
£428 Return, found 4 days ago
£428
Return
found 4 days ago
Select Aeromexico flight, departing Thu, 4 Sep from Cancun to Seattle, returning Wed, 10 Sep, priced at £428 found 4 days ago
WestJet
Wed, 13 Aug - Wed, 20 Aug
CUN
Cancun
SEA
Seattle
£455 Return, found 2 days ago
£455
Return
found 2 days ago
Select WestJet flight, departing Wed, 13 Aug from Cancun to Seattle, returning Wed, 20 Aug, priced at £455 found 2 days ago

Find the cheapest month to fly from Cancun (CUN) to Seattle (SEA)

September is typically the cheapest month to fly

From £225 - £394 per traveller.

Graph displaying average flight prices per month

Flight from Cancun to Seattle route information
Origin airport
Cancun Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
£379
Distance
4294 km
Average flight time
7 hours 24 mins

Compare flights from Cancun to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Cancun to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Cancun Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Cancun Intl. (CUN) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Cancun to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Cancun Intl. to Seattle - Tacoma Intl. start at just £380 and range up to £455.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Cancun and Seattle
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Cancun to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Cancun Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Cancun Intl. Airport (CUN) to Seattle - Tacoma Intl. Airport (SEA)?
The lowest price advertised for a round-trip journey from CUN to Seattle - Tacoma Intl. Airport (SEA) is £380. But you better act soon. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Cancun Intl. Airport (CUN) to Sea-Tac Airport?
We understand that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from CUN to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Cancun Intl. Airport (CUN) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from CUN to Seattle - Tacoma Intl. Airport (SEA)?
With around 4,300 kilometres separating Cancun Airport and SEA, your flight will be a long one. Pack wisely and make your time on board comfortable. Little things like warm clothing and a good travel pillow can make a huge difference.
Which airlines fly direct from Cancun Intl. Airport (CUN) to Seattle - Tacoma Intl. Airport (SEA)?
Alaska Airlines (AS) is one of the preferred choices for travellers jetting between Cancun Airport and SEA. Take your pick of the 30 flights it operates on this route each month. Delta Air Lines (DL) is also worth a look. It operates 21 flights per month. Between these two airlines, you'll be able to find a great deal from Cancun to SeaTac.
Are CUN to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so it's no sure thing. While last-minute flight deals between Cancun Airport and SEA are possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers release their prices up to 12 months ahead of the departure date. Expedia is continuously updating the best bargains around, so keep checking and be ready to secure your seat when the price is right.

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