
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Delta) |
One-way from | $149 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $408 |
Good round-trip deal | $387 or less |
Good one-way deal | $239 or less |
Fly from
Fly to
Route
Depart
Return
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Fri 9/25
6:55 pm-12:01 am
1 stop8h 06m
Seattle/Tacoma Intl
Mon 9/28
11:53 pm-12:53 pm
1 stop10h 00m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Sat 7/11
8:30 pm-11:48 pm
Nonstop6h 18m
Seattle/Tacoma Intl
Sun 7/19
10:44 pm-7:02 am
Nonstop5h 18m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Tue 8/18
6:30 am-1:03 pm
1 stop9h 33m
Seattle/Tacoma Intl
Fri 8/28
10:04 am-11:29 pm
1 stop10h 25m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Sat 8/29
8:33 pm-11:44 pm
Nonstop6h 11m
Seattle/Tacoma Intl
Thu 9/3
3:34 pm-11:59 pm
Nonstop5h 25m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Tue 9/8
9:00 am-12:07 pm
Nonstop6h 07m
Seattle/Tacoma Intl
Fri 9/11
9:58 pm-6:30 am
Nonstop5h 32m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Tue 9/8
5:50 pm-8:57 pm
Nonstop6h 07m
Seattle/Tacoma Intl
Mon 9/14
9:58 pm-6:30 am
Nonstop5h 32m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Fri 5/29
8:30 pm-11:44 pm
Nonstop6h 14m
Seattle/Tacoma Intl
Fri 6/5
11:00 pm-7:18 am
Nonstop5h 18m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Fri 7/17
6:45 pm-11:58 pm
1 stop8h 13m
Seattle/Tacoma Intl
Wed 7/22
5:20 am-3:54 pm
1 stop7h 34m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Mon 7/13
5:59 pm-11:59 pm
1 stop9h 00m
Seattle/Tacoma Intl
Wed 7/15
11:59 pm-10:49 am
1 stop7h 50m
NewarkSeattle
EWR - SEA
EWRSEA
Newark
Mon 7/27
6:00 am-12:13 pm
1 stop9h 13m
Seattle/Tacoma Intl
Mon 8/10
7:50 pm-6:00 am
1 stop7h 10m
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | 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 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of $278). Flying from Newark Airport to Seattle in December is currently the most expensive (average of $488). 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.
Travelers seeking maximum savings on their Newark Airport to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 21% of weekly flights between Newark and Seattle have experienced delays in the past year, with the average delay time being 189 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday 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 17% of flights being delayed.
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Overall
Entertainment
Food
Comfort
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$321 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$360 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$146 | Average$258 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$172 | Average$371 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$197 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$213 | Average$394 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$216 | Average$436 | FlexibilityNo cancel fee | On-time71% |