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Flights from Seattle to Halifax

Find cheap airlines flights from Seattle to Halifax

You can choose from 1 airlines that fly from Seattle to Halifax, including WestJet, WestJet has lowest fares on this route.
WestJet logo WestJet
Airlines are determined based on actual purchased flight tickets from Seattle to Halifax according to previous 12 months data from Trip.com.

Find flight deals from Seattle to Halifax for the next 3 months. Book one way flights from $160 or round trip flights from $318.

      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Tue, Apr 28 | WestJet
        YHZ 6:15 PM
        19h 25m
        1 stop
        SEA 9:40 AM
        Halifax - Seattle | Thu, Apr 30 | WestJet
        $318 $474
        33% off
        33% off
        $474 $318
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Fri, May 29 | WestJet
        YHZ 7:45 AM
        15h
        1 stop
        SEA 6:45 PM
        Halifax - Seattle | Sun, May 31 | WestJet
        $318 $474
        33% off
        33% off
        $474 $318
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Mon, May 25 | WestJet
        YHZ 6:15 PM
        28h 30m
        1 stop
        SEA 6:45 PM
        Halifax - Seattle | Wed, May 27 | WestJet
        $318 $474
        33% off
        33% off
        $474 $318
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Mon, Apr 27 | WestJet
        YHZ 2:50 PM
        13h 9m
        1 stop
        SEA 11:59 PM
        Halifax - Seattle | Sat, May 2 | United Airlines
        $348
        27% off
        $474 $348
      • SEA 10:30 AM
        17h 40m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Sun, May 10 | WestJet
        YHZ 6:15 PM
        19h 25m
        1 stop
        SEA 9:40 AM
        Halifax - Seattle | Tue, May 12 | WestJet
        $350
        26% off
        $474 $350
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Thu, May 28 | WestJet
        YHZ 4:50 PM
        11h 9m
        1 stop
        SEA 11:59 PM
        Halifax - Seattle | Mon, Jun 1 | United Airlines
        $354
        25% off
        $474 $354
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Wed, May 27 | WestJet
        YHZ 4:50 PM
        11h 9m
        1 stop
        SEA 11:59 PM
        Halifax - Seattle | Mon, Jun 1 | United Airlines
        $354
        25% off
        $474 $354
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Tue, May 26 | WestJet
        YHZ 4:50 PM
        11h 9m
        1 stop
        SEA 11:59 PM
        Halifax - Seattle | Mon, Jun 1 | United Airlines
        $354
        25% off
        $474 $354
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Sat, May 2 | WestJet
        YHZ 2:50 PM
        13h 9m
        1 stop
        SEA 11:59 PM
        Halifax - Seattle | Tue, May 5 | United Airlines
        $354
        25% off
        $474 $354
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Thu, May 7 | WestJet
        YHZ 7:45 AM
        29h 55m
        1 stop
        SEA 9:40 AM
        Halifax - Seattle | Tue, May 12 | WestJet
        $355
        25% off
        $474 $355
      • SEA 1:00 PM
        17h 25m
        1 stop
        YHZ Invalid Date
        Seattle - Halifax | Thu, Apr 16 | Normal Airline
        YHZ 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Halifax - Seattle | Sat, Apr 18 | Normal Airline
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      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Fri, May 29 | WestJet
        $160 $276
        42% off
        42% off
        $276 $160
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Thu, Apr 30 | WestJet
        $162 $276
        41% off
        41% off
        $276 $162
      • SEA 8:00 AM
        13h 54m
        1 stop
        YHZ 1:54 AM
        Seattle - Halifax | Sun, May 17 | Air Canada
        $177 $276
        36% off
        36% off
        $276 $177
      • SEA 7:35 PM
        21h 40m
        1 stop
        YHZ 9:15 PM
        Seattle - Halifax | Wed, Apr 29 | WestJet
        $179
        35% off
        $276 $179
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Wed, Apr 29 | Delta Air Lines
        $192
        30% off
        $276 $192
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Thu, Apr 30 | Delta Air Lines
        $195
        28% off
        $276 $195
      • SEA 8:05 AM
        28h 5m
        1 stop
        YHZ 4:10 PM
        Seattle - Halifax | Tue, Apr 21 | Alaska Airlines
        $198
        28% off
        $276 $198
      • SEA 10:35 PM
        11h 7m
        1 stop
        YHZ 1:42 PM
        Seattle - Halifax | Fri, May 29 | American Airlines
        $204
        26% off
        $276 $204
      • SEA 10:55 PM
        13h 8m
        1 stop
        YHZ 4:03 PM
        Seattle - Halifax | Tue, Apr 21 | United Airlines
        $206
        25% off
        $276 $206
      • SEA 7:35 PM
        8h 35m
        1 stop
        YHZ 8:10 AM
        Seattle - Halifax | Sun, May 17 | Delta Air Lines
        $207
        25% off
        $276 $207
      • SEA 1:00 PM
        17h 25m
        1 stop
        YHZ Invalid Date
        Seattle - Halifax | Thu, Apr 16 | Normal Airline
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Displayed flight fares from Seattle to Halifax are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Seattle to Halifax

The distance between Seattle and Halifax is approximately 4,426.56 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$160
Cheapest round-trip ticket price$318
Off-season for travelSeptember
Peak season for travelJuly
Flight distance4,426.56 km
Popular airlineWestJet
Flight statistics for the Seattle–Halifax route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Halifax (SEA-YHZ)?

    Based on Trip.com data, WestJet offers one-way fares as low as $160 on Cheapest nonstop routes (e.g. SEA to YHZ on Fri, May 29), while WestJet offers Cheapest nonstop round-trips from $318 departing on Tue, Apr 28 and returning on Thu, Apr 30.
  • At the moment, several airlines serve connecting flights from Seattle to Halifax, including: WestJet Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Halifax is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Seattle to Halifax, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, May 29, with one-way flights priced at just $160.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Halifax travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Halifax is September, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Seattle to Halifax on April 18, 2026 with United Airlines, with prices starting at $317.
  • You can land at any one of the following hubs in Halifax, with Seattle-Tacoma International Airport to Halifax Stanfield International Airport (SEA-YHZ) is by far the most common option on this route: Halifax Stanfield International Airport (YHZ).
  • The time difference between Halifax and Seattle is 4h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.