Cheap flights from Seattle to Halifax from $152
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Halifax departing on 9/4. 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 and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted 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 Seattle to Halifax
Cheap round-trip flights
Cheap one-way flights
Air Canada flights from Seattle to Halifax
Our best Air Canada deals on Seattle to Halifax flight tickets
United Airlines flights from Seattle to Halifax
Our best United Airlines deals on Seattle to Halifax flight tickets
See travel insights to Halifax from
How to get the cheapest flight ticket from Seattle to Halifax
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 Halifax?
In general, April is the cheapest month to fly from Seattle to Halifax. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $260. If you’re not able to fly to Halifax in April, then October is your next best option. Flight prices from Seattle to Halifax during October average around $502.
What is the cheapest day to depart on your flight to Halifax?
According to our data, Monday is the cheapest day to fly to Halifax from Seattle. The lowest ticket price found for a Monday departure recently was $431. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Halifax is Sunday, with ticket prices averaging around $565.
What is the cheapest time of day to depart on your flight to Halifax?
The cheapest time of day to fly to Halifax is in the afternoon when flights can be purchased for as low as $438. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $612 on average. Flights to Halifax from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Halifax?
You are more likely to see cheaper flights to Halifax from Seattle when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Halifax for around $572 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Halifax from Seattle for as low as $290 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Halifax Intl?
WestJet, Air Canada, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Halifax Intl
What airlines fly to Halifax?
Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Halifax from Seattle according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Halifax. Keep in mind that there are 4 different airlines that fly to Halifax on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Halifax
Cheap Seattle to Halifax (SEA to YHZ) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Halifax
How far is Seattle/Tacoma Intl to Halifax Intl by plane?
Halifax Intl is 2751.5 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 7h 59m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Halifax Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Halifax Intl Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Halifax Intl Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Halifax Intl Airport is 4 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Halifax Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Halifax Intl Airport.
What documentation or ID do you need to fly to Halifax Intl Airport?
The required travel and health documents for your Halifax 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 Halifax 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 Seattle to Halifax?
momondo data reveals that the most frequently booked airline on the route from Seattle to Halifax is Air Canada, representing 59% of all bookings. The subsequent popular airlines are WestJet at 24%, United Airlines at 12%, and Delta at 5%.
Best airlines flying from Seattle to Halifax
Compare and see reviews for airlines that fly from Seattle to Halifax with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $203 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $344 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $526 | Free Cancellation | Rating 8.0 7,950 reviews |
Traveling to a place near Halifax?
Book flights to Halifax if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Halifax?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Halifax. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to Halifax with flexible booking policies on momondo?
All flight searches from Seattle to Halifax on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to Halifax?
momondo helps you find the best flight between Seattle and Halifax by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Halifax right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Halifax flights. All you need is a valid email address and we will do the rest; it is that quick and easy.