
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $204 (SmartFares) |
One-way from | $109 (Alaska Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $308 |
Good round-trip deal | $266 or less |
Good one-way deal | $158 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Tue 3/10
7:29 pm-10:54 pm
Nonstop6h 25m
Seattle/Tacoma Intl
Wed 3/11
10:09 am-6:28 pm
Nonstop5h 19m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Mon 3/9
4:29 pm-6:55 pm
1 stop29h 26m
Seattle/Tacoma Intl
Tue 3/10
10:45 pm-6:59 am
Nonstop5h 14m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Wed 3/25
6:14 pm-9:28 pm
Nonstop6h 14m
Seattle/Tacoma Intl
Fri 4/3
2:50 pm-11:11 pm
Nonstop5h 21m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Tue 3/10
9:30 am-6:04 pm
1 stop11h 34m
Seattle/Tacoma Intl
Tue 3/17
12:25 pm-8:44 pm
Nonstop5h 19m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Tue 3/10
7:29 pm-10:54 pm
Nonstop6h 25m
Seattle/Tacoma Intl
Tue 3/17
6:21 pm-3:55 pm
1 stop18h 34m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Wed 3/4
4:45 pm-10:43 pm
1 stop8h 58m
Seattle/Tacoma Intl
Mon 3/9
11:59 pm-8:08 am
Nonstop5h 09m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Tue 3/24
3:00 pm-8:56 pm
1 stop8h 56m
Seattle/Tacoma Intl
Sun 3/29
11:05 pm-7:26 am
Nonstop5h 21m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Mon 3/9
7:29 pm-10:53 pm
Nonstop6h 24m
Seattle/Tacoma Intl
Mon 3/16
11:59 pm-8:08 am
Nonstop5h 09m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Fri 2/27
7:29 pm-10:54 pm
Nonstop6h 25m
Seattle/Tacoma Intl
Tue 3/3
10:09 am-6:28 pm
Nonstop5h 19m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Sat 3/7
2:20 pm-10:41 pm
1 stop11h 21m
Seattle/Tacoma Intl
Sat 3/14
12:25 pm-8:44 pm
Nonstop5h 19m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Newark Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, January is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of $177). Flying from Newark Airport to Seattle in July is currently the most expensive (average of $276). 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 27% on flights from Newark Airport to Seattle by exploring options for tickets in the evening.
About 20% of weekly flights between Newark and Seattle have experienced delays in the past year, with the average delay time being 195 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, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
Crew
Comfort
Overall
Boarding
Entertainment
Food
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Overall
Boarding
Entertainment
Food
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Overall
Boarding
Entertainment
Food
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Overall
Boarding
Entertainment
Food
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Overall
Boarding
Entertainment
Food
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Comfort
Overall
Boarding
Entertainment
Food
Reviews
Anonymous,Dec 2025
SJC - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$321 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$120 | Average$249 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$138 | Average$377 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$189 | Average$377 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$197 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$412 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$436 | FlexibilityNo cancel fee | On-time71% |