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Cheap flights from Halifax to Seattle from C$ 250

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
YHZ — SEA
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 442

One-way from

C$ 252

Popular in

November

Cheapest in

October

Average price

C$ 572
United Airlines
  • United Airlines
  • 3/9-3/9
  • 4 total stops
  • 27h 21m total
  • Halifax to Seattle
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WestJet
  • WestJet
  • 9/9
  • 2 total stops
  • 15h 59m total
  • Halifax to Seattle
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Highest demand for flights based on searches. 8% potential increase in price (C$ 78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 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 12 June 2025.

Wed 3/97:00 a.m.YHZ - SEA
2 stops12h 52mUnited Airlines
Wed 3/97:34 p.m.SEA - YHZ
2 stops14h 29mUnited Airlines
Deal found 11/6C$ 442
Mon 11/85:05 a.m.YHZ - SEA
1 stop9h 55mAir Canada
Wed 3/97:15 a.m.SEA - YHZ
1 stop8h 03mAir Canada
Deal found 11/6C$ 472
Sun 3/88:00 a.m.YHZ - SEA
1 stop8h 58mWestJet
Sat 9/87:05 a.m.SEA - YHZ
1 stop10h 40mWestJet
Deal found 12/6C$ 488
Mon 11/84:28 p.m.YHZ - SEA
2 stops20h 51mAmerican Airlines
Wed 3/911:05 p.m.SEA - YHZ
1 stop10h 47mAmerican Airlines
Deal found 11/6C$ 489
Thu 17/711:45 a.m.YHZ - SEA
3 stops34h 53mMultiple Airlines
Thu 24/71:50 p.m.SEA - YHZ
2 stops12h 11mMultiple Airlines
Deal found 11/6C$ 647

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 12 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

Wed 3/9

7:00 a.m.-3:52 p.m.

2 stops12h 52m

Seattle/Tacoma Intl

Wed 3/9

7:34 p.m.-2:03 p.m.

2 stops14h 29m

C$ 442

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 11/8

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

1 stop9h 55m

Seattle/Tacoma Intl

Wed 3/9

7:15 a.m.-7:18 p.m.

1 stop8h 03m

C$ 472

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Mon 11/8

4:28 p.m.-9:19 a.m.

2 stops20h 51m

Seattle/Tacoma Intl

Wed 3/9

11:05 p.m.-1:52 p.m.

1 stop10h 47m

C$ 489

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Sun 3/8

8:00 a.m.-12:58 p.m.

1 stop8h 58m

Seattle/Tacoma Intl

Sat 9/8

7:05 a.m.-9:45 p.m.

1 stop10h 40m

C$ 494

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Thu 17/7

11:45 a.m.-6:38 p.m.

3 stops34h 53m

Seattle/Tacoma Intl

Thu 24/7

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

2 stops12h 11m

C$ 647

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 29/8

8:00 a.m.-12:58 p.m.

1 stop8h 58m

C$ 250

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 9/9

5:25 a.m.-10:59 a.m.

1 stop9h 34m

C$ 257

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Tue 9/9

5:25 a.m.-6:49 p.m.

3 stops17h 24m

C$ 309

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 29/8

11:00 p.m.-6:49 p.m.

3 stops23h 49m

C$ 358

HalifaxSeattle

YHZ - SEA

YHZSEA

Halifax Intl

Fri 29/8

8:30 a.m.-8:24 p.m.

2 stops15h 54m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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$ 261). 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 12 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 37% on your trip compared to booking a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 12 June 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Halifax to Seattle to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
2,868 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
9,537 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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 United Airlines is currently your cheapest option to Seattle, with prices starting at C$ 442. Additional round-trip tickets that might be worth considering are offered by Air Canada and WestJet, with the lowest prices starting at C$ 472 and C$ 488, respectively. United Airlines is 29% 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$ 252), Air Canada (C$ 257), and United Airlines (C$ 309).

  • 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$ 261). 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 436AverageC$ 564FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 437AverageC$ 619FlexibilityNo cancel feeOn-time60%
Search WestJet 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?

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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.

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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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