£131 Cheap Flights from Halifax (YHZ) to Seattle (SEA)

View £131 flight on Mon, 14 Dec 2026Opens in a new window

Popular airlines from Stanfield Intl. Airport (YHZ) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Halifax (YHZ) to Seattle (SEA)

Prices were available within the past 7 days and start at £131 for one-way flights and £343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 31 May - Sat, 6 Jun
YHZ
Halifax
SEA
Seattle
£343 Return, found 4 days ago
£343
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 May from Halifax to Seattle, returning Sat, 6 Jun, priced at £343 found 4 days ago
Air Canada
Sun, 31 May - Sat, 6 Jun
YHZ
Halifax
SEA
Seattle
£356 Return, found 4 days ago
£356
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 May from Halifax to Seattle, returning Sat, 6 Jun, priced at £356 found 4 days ago
Air Canada
Sun, 31 May - Sat, 6 Jun
YHZ
Halifax
SEA
Seattle
£359 Return, found 4 days ago
£359
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 May from Halifax to Seattle, returning Sat, 6 Jun, priced at £359 found 4 days ago
Air Canada
Sun, 31 May - Sat, 6 Jun
YHZ
Halifax
SEA
Seattle
£359 Return, found 4 days ago
£359
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 May from Halifax to Seattle, returning Sat, 6 Jun, priced at £359 found 4 days ago
Air Canada
Sun, 31 May - Sat, 6 Jun
YHZ
Halifax
SEA
Seattle
£377 Return, found 4 days ago
£377
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 May from Halifax to Seattle, returning Sat, 6 Jun, priced at £377 found 4 days ago
Air Canada
Sun, 31 May - Sat, 6 Jun
YHZ
Halifax
SEA
Seattle
£384 Return, found 4 days ago
£384
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 May from Halifax to Seattle, returning Sat, 6 Jun, priced at £384 found 4 days ago
Air Canada
Sun, 31 May - Sat, 6 Jun
YHZ
Halifax
SEA
Seattle
£393 Return, found 4 days ago
£393
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 May from Halifax to Seattle, returning Sat, 6 Jun, priced at £393 found 4 days ago

Frequently asked questions

How much is a flight from Stanfield Intl. Airport (YHZ) to Sea-Tac Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Halifax Airport and Sea-Tac Airport start from £343. Book now to secure the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Stanfield Intl. Airport (YHZ) to Seattle - Tacoma Intl. Airport (SEA)?
This differs between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Halifax Stanfield to Seattle - Tacoma Intl. Airport (SEA) 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 YHZ to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Halifax Airport to SEA?
Halifax County to SeaTac is around 4,400 kilometres, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Throw in a few snacks to nibble on throughout your flight too.
Which airlines fly direct from YHZ to Seattle - Tacoma Intl. Airport (SEA)?
Flying nonstop between YHZ and Seattle - Tacoma Intl. Airport (SEA) isn't possible at this time. However, you'll still be able to find a flight to SeaTac with at least one stop.
Are Stanfield Intl. Airport (YHZ) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up an amazing last-minute deal from Halifax Stanfield to Seattle - Tacoma Intl. Airport (SEA), but it's also possible to miss out entirely! As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares carrier prices and updates flight deals often, so you can rest easy knowing you're always seeing the latest offers.

Frequently asked questions

How much does a flight from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between £284 and £1,219 and return flights often range between £696 and £2,553. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 31 connecting flights per day from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Pearson Intl. (YYZ), Macdonald-Cartier Intl. (YOW), and LaGuardia (LGA).
What is the earliest flight from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 5:00 AM local time. This service is operated by Air Canada and United Airlines. This is a seasonal service active in October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Saturday, with around 29 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Air Canada, Porter Airlines, and WestJet.
What are the most popular departure times for flights from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Halifax Stanfield International Airport (YHZ) to Seattle - Tacoma International Airport (SEA) are in the early morning, from 6am to 9am. Approximately 36% of passengers prefer this time window. Many major carriers, including WestJet, Air Canada and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time left.
How long does it take to fly from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flights from YHZ to SEA with one stop typically take around 10 hours 20 minutes, covering approximately 2,751 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for YHZ to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Stanfield Intl. (YHZ)?
If you're planning to travel to Seattle from Stanfield Intl. (YHZ), you can fly directly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Pearson Intl. (YYZ), LaGuardia (LGA), Liberty Intl. (EWR) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Halifax, NS (YHZ-Stanfield Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Stanfield Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
£343
Distance
4400 km

Book with confidence

Compare flights from Halifax to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Halifax 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 Stanfield 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 Stanfield Intl. (YHZ) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Halifax 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 Stanfield Intl. to Seattle - Tacoma Intl. start at just £343 and range up to £393.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Stanfield 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.  

Compare flights from Halifax to Seattle easily and book with confidence

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