£161 Cheap Flights from Seattle (SEA) to St. John's (YYT)

View £161 flight on Wed, 16 Jul 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to St. John's Intl. Airport (YYT)

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Cheap Flights from Seattle (SEA) to St. John's (YYT)

Prices were available within the past 7 days and start at £161 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seattle (SEA) to St. John's (YYT)

May is typically the cheapest month to fly

From £249 - £571 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to St. John's route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
St. John's Intl.
Distance
5008 km

Compare flights from Seattle to St. John's easily and book with confidence

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

The easiest way to view the best deals on flights from Seattle to St. John's 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 Seattle - Tacoma Intl. to St. John's Intl. start at just and range up to .  

To find an even better deal, try  

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

Why you should book your Seattle to St. John's flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to St. John's 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 Seattle - Tacoma Intl. Airport (SEA) to St. John's Intl. Airport?
Pack your bags, because round-trip journeys from SEA to YYT start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to YYT?
This differs from airline to airline, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport to St. John's Intl. Airport (YYT) 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 SEA to St. John's Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to St. John's Intl. Airport?
SeaTac to St. John's is around 5,000 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your earplugs to your eye mask. Toss in some snacks to nibble on throughout your trip too.
Which airlines fly direct from SEA to St. John's Intl. Airport (YYT)?
At the moment, no airlines offer flights directly from Seattle - Tacoma Intl. Airport (SEA) to YYT. You'll need to book a flight with at least one stop. To score the best connections and price, lock in your airfare well ahead of time.
Are SEA to St. John's Intl. Airport (YYT) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Sea-Tac Airport to St. John's Intl. Airport can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out altogether! If you'd prefer to start your trip planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines advertise their prices that far in advance. Our top tip? Check back often as updates are made frequently.

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