
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (oojo) |
One-way from | $129 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $493 |
Good round-trip deal | $376 or less |
Good one-way deal | $108 or less |
Fly from
Fly to
Route
Depart
Return
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Fri 9/11
9:50 am-6:45 pm
2 stops12h 55m
Seattle/Tacoma Intl
Thu 9/17
7:35 pm-8:10 am
1 stop8h 35m
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 9/5
9:50 am-6:45 pm
2 stops12h 55m
Seattle/Tacoma Intl
Mon 9/14
7:35 pm-8:10 am
1 stop8h 35m
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Thu 7/9
3:35 pm-9:00 pm
1 stop9h 25m
Seattle/Tacoma Intl
Mon 7/13
7:35 pm-8:10 am
1 stop8h 35m
VancouverSeattle
YVR - SEA
YVRSEA
Vancouver Intl
Sat 7/18
1:15 pm-9:00 pm
2 stops7h 45m
Seattle/Tacoma Intl
Tue 7/21
7:00 am-1:35 pm
2 stops6h 35m
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Sat 7/18
9:50 am-9:00 pm
2 stops15h 10m
Seattle/Tacoma Intl
Wed 7/22
7:00 am-9:20 pm
1 stop10h 20m
VancouverSeattle
YVR - SEA
YVRSEA
Vancouver Intl
Thu 8/13
6:00 am-7:07 am
Nonstop1h 07m
Seattle/Tacoma Intl
Sat 8/15
7:56 pm-8:53 pm
Nonstop0h 57m
VancouverSeattle
YVR - SEA
YVRSEA
Vancouver Intl
Sat 9/12
7:00 am-2:24 pm
1 stop7h 24m
Seattle/Tacoma Intl
Sat 9/12
7:20 pm-8:27 pm
Nonstop1h 07m
HalifaxSeattle
YHZ - SEA
YHZSEA
Halifax Intl
Thu 8/6
8:00 pm-6:45 pm
1 stop26h 45m
Seattle/Tacoma Intl
Fri 8/14
7:00 am-9:20 pm
1 stop10h 20m
VancouverSeattle
YVR - SEA
YVRSEA
Vancouver Intl
Sat 10/10
11:50 am-12:56 pm
Nonstop1h 06m
Seattle/Tacoma Intl
Sat 10/17
9:53 am-10:52 am
Nonstop0h 59m
VancouverSeattle
YVR - SEA
YVRSEA
Vancouver Intl
Tue 7/14
5:00 am-9:40 am
1 stop4h 40m
Seattle/Tacoma Intl
Tue 7/14
7:35 pm-6:40 am
1 stop11h 05m
Currently, January is the cheapest month in which you can book a flight from Canada to Seattle (average of $63). Flying from Canada to Seattle in April is currently the most expensive (average of $633). 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.
Unlike at noon, when flights are generally more expensive, you can save up to 56% on flights from Canada to Seattle by exploring options for tickets in the evening.
The most flights from CA0 to SEA are scheduled on a Tuesday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
About 19% of weekly flights between Canada and Seattle have experienced delays in the past year, with the average delay time being 127 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Canada to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Travelers seeking maximum savings on their Canada to Seattle flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Overall
Crew
Food
Comfort
Boarding
Reviews
Anonymous,Jun 2026
LHR - SEA
Entertainment
Overall
Crew
Food
Comfort
Boarding
Reviews
Anonymous,Jun 2026
LHR - SEA
Entertainment
Overall
Crew
Food
Comfort
Boarding
Reviews
Anonymous,Jun 2026
LHR - SEA
Entertainment
Overall
Crew
Food
Comfort
Boarding
Reviews
Anonymous,Jun 2026
LHR - SEA
Entertainment
Overall
Crew
Food
Comfort
Boarding
Reviews
Anonymous,Jun 2026
LHR - SEA
Entertainment
Overall
Crew
Food
Comfort
Boarding
Reviews
Anonymous,Jun 2026
LHR - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$363 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$143 | Average$319 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$146 | Average$344 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$219 | Average$567 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$277 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$406 | FlexibilityNo cancel fee | On-timeN/A |