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Cheap flights from Halifax to Seattle from C$ 283

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
5 Jul — 12 Jul1
1 adult

Cheap flight deals from Halifax to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Halifax (YHZ) to Seattle (SEA). 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 30 June 2025.

Round-trip from

C$ 562

One-way from

C$ 283

Popular in

November

Cheapest in

October

Average price

C$ 572
WestJet
  • WestJet
  • 14/8-21/8
  • 2 total stops
  • 23h 26m total
  • Halifax to Seattle
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WestJet
  • WestJet
  • 13/9
  • 1 total stop
  • 9h 09m total
  • Halifax to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 75 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Halifax to Seattle

Cheapest flights from Halifax to Seattle
Explore the most affordable flight options available from Halifax to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Thu 14/88:00 a.m.YHZ - SEA
1 stop15h 21mWestJet
Thu 21/87:05 a.m.SEA - YHZ
1 stop8h 05mWestJet
Deal found 29/6C$ 562
Thu 14/85:05 a.m.YHZ - SEA
2 stops17h 53mUnited Airlines
Thu 21/811:58 p.m.SEA - YHZ
2 stops19h 57mUnited Airlines
Deal found 29/6C$ 568
Sat 2/85:05 a.m.YHZ - SEA
1 stop9h 55mAir Canada
Wed 6/812:05 p.m.SEA - YHZ
1 stop9h 44mAir Canada
Deal found 30/6C$ 569
Thu 14/83:24 p.m.YHZ - SEA
2 stops13h 32mAmerican Airlines
Wed 20/812:46 a.m.SEA - YHZ
2 stops9h 58mAmerican Airlines
Deal found 29/6C$ 631
Thu 14/811:00 p.m.YHZ - SEA
3 stops25h 28mMultiple Airlines
Thu 21/81:50 p.m.SEA - YHZ
2 stops12h 11mMultiple Airlines
Deal found 29/6C$ 725

Cheapflights Fare Finder

Customize your flight search to find flights from Halifax to Seattle 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 30 June 2025.
Use the filters below to find and compare flights from Halifax to Seattle that are best for you.

Fly from

Halifax

Fly to

Seattle

Route

Depart

Return

Price

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 14/8

8:00 a.m.-7:21 p.m.

1 stop15h 21m

Seattle/Tacoma Intl

Thu 21/8

7:05 a.m.-7:10 p.m.

1 stop8h 05m

C$ 562

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 14/8

5:05 a.m.-6:58 p.m.

2 stops17h 53m

Seattle/Tacoma Intl

Thu 21/8

11:58 p.m.-11:55 p.m.

2 stops19h 57m

C$ 568

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 2/8

5:05 a.m.-11:00 a.m.

1 stop9h 55m

Seattle/Tacoma Intl

Wed 6/8

12:05 p.m.-1:49 a.m.

1 stop9h 44m

C$ 569

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 14/8

3:24 p.m.-12:56 a.m.

2 stops13h 32m

Seattle/Tacoma Intl

Wed 20/8

12:46 a.m.-2:44 p.m.

2 stops9h 58m

C$ 631

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 14/8

11:00 p.m.-8:28 p.m.

3 stops25h 28m

Seattle/Tacoma Intl

Thu 21/8

1:50 p.m.-6:01 a.m.

2 stops12h 11m

C$ 725

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 13/9

3:20 p.m.-8:29 p.m.

1 stop9h 09m

C$ 283

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 5/8

5:05 a.m.-11:00 a.m.

1 stop9h 55m

C$ 316

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 14/8

5:05 a.m.-10:42 p.m.

2 stops21h 37m

C$ 327

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 14/8

11:00 p.m.-8:28 p.m.

3 stops25h 28m

C$ 358

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sat 9/8

8:30 a.m.-8:33 p.m.

2 stops16h 03m

C$ 573

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

Best time to book a flight from Halifax to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Halifax 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 Halifax to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 262). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 353). 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 YHZ to SEA?

Find hourly flight availability from Halifax to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 June 2025.

A simple way to save on the total cost of your ticket is to fly from Halifax to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 30 June 2025.
Check out reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Halifax to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,908 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,654 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

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

    Flying on WestJet is currently your cheapest option to Seattle, with prices starting at C$ 562. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at C$ 568 and C$ 569, respectively. WestJet is 10% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Halifax to Seattle are WestJet (C$ 283), Air Canada (C$ 316), and United Airlines (C$ 327).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Halifax to Seattle 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 Halifax to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Halifax to Seattle (average of C$ 262). Flying from Halifax to Seattle in December is currently the most expensive (average of C$ 353). 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 Halifax?

Book flights to Halifax if you plan to visit one of these locations
Leavenworth
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Renton
Olympia
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Halifax to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
St John to Portland flights

Top 3 airlines flying from Halifax to Seattle

Discover the top 3 airlines that operate flights from Halifax to Seattle. 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 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 437AverageC$ 614FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 445AverageC$ 568FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 491AverageC$ 660FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Halifax to Seattle 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 Halifax to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Halifax to Seattle.

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

Yes! Cheapflights helps users easily find flights from Halifax to Seattle with no change fees.

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Of course! You can now track prices for flights from Halifax to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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