Cheap flights from Halifax to Seattle from C$ 220
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Halifax to Seattle departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Halifax to Seattle
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
WestJet flights from Halifax to Seattle
Our best WestJet deals on Halifax to Seattle flight tickets
United Airlines flights from Halifax to Seattle
Our best United Airlines deals on Halifax to Seattle flight tickets
See travel insights to Seattle from
How to get the cheapest flight ticket from Halifax to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
If you aren’t able to travel to Seattle during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 552.
What is the cheapest day to depart on your flight to Seattle?
Our data shows that Sunday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 432. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 668. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.
What is the cheapest time of day to depart on your flight to Seattle?
Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Halifax to Seattle during this time can be as low as C$ 484. Flights at noon are often more expensive with an average ticket price of C$ 768.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Halifax when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 637 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Halifax for as low as C$ 485 on momondo.
What is the cheapest airline that flies from Halifax Intl to Seattle/Tacoma Intl?
WestJet, Air Canada, and United Airlines are the most popular carriers operating from Halifax Intl to Seattle/Tacoma Intl
Which airlines fly to Seattle?
WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to Seattle from Halifax according to our data. WestJet is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Halifax to Seattle
Cheap Halifax to Seattle (YHZ to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Halifax to Seattle
How far is Halifax Intl to Seattle/Tacoma Intl by plane?
The straight-line distance from Halifax Intl to Seattle/Tacoma Intl is 4428.0 km. 8h 59m is a normal flight duration for this route.
When did momondo last update prices for flights from Halifax Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Halifax Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Halifax Intl Airport to Seattle/Tacoma Intl Airport?
As of April 2025, there are 3 operators available to choose from for flights from Halifax Intl Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Halifax Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Halifax Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Halifax to Seattle?
momondo data reveals that the most frequently booked airline on the route from Halifax to Seattle is WestJet, representing 42% of all bookings. The subsequent popular airlines are Air Canada at 38% and United Airlines at 20%.
Best airlines flying from Halifax to Seattle
Compare and see reviews for airlines that fly from Halifax to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 397 | Free Cancellation | Rating 7.2 2,805 reviews | |||
| PriceFrom C$ 451 | Free Cancellation | Rating 7.0 9,127 reviews | |||
| PriceFrom C$ 498 | Free Cancellation | Rating 7.4 8,658 reviews |
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Halifax to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Halifax to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Halifax to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Halifax on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Halifax to Seattle?
Once all potential Halifax to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Halifax to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Halifax and alert you when they change.