Alaska's Premium Class offers extra legroom and free cocktails, ideal for a comfortable journey.
Alaska's Wi-Fi is a flat fee, great for business travelers needing to work during flights.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $197 (United Airlines) |
One-way from | $99 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $339 |
Good round-trip deal | $258 or less |
Good one-way deal | $144 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Fri 1/16
7:00 am-3:19 pm
Nonstop5h 19m
Newark
Mon 1/19
7:45 am-11:07 am
Nonstop6h 22m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Mon 2/2
10:09 am-6:29 pm
Nonstop5h 20m
Newark
Tue 2/10
6:08 pm-9:28 pm
Nonstop6h 20m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Fri 1/30
11:45 pm-7:59 am
Nonstop5h 14m
Newark
Sun 2/1
7:45 am-11:07 am
Nonstop6h 22m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Sun 11/16
7:00 am-3:25 pm
Nonstop5h 25m
Newark
Mon 11/17
5:30 pm-8:46 pm
Nonstop6h 16m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Sun 1/11
7:00 am-3:19 pm
Nonstop5h 19m
Newark
Tue 1/13
7:50 pm-11:15 pm
Nonstop6h 25m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Thu 1/8
7:00 am-3:19 pm
Nonstop5h 19m
Newark
Sun 1/11
7:45 am-11:07 am
Nonstop6h 22m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Fri 1/9
7:00 am-3:19 pm
Nonstop5h 19m
Newark
Wed 1/14
7:45 am-11:07 am
Nonstop6h 22m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Thu 11/6
6:13 am-2:29 pm
Nonstop5h 16m
Newark
Fri 11/14
5:05 pm-11:10 pm
1 stop9h 05m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Fri 1/9
11:45 pm-7:59 am
Nonstop5h 14m
Newark
Tue 1/20
2:07 pm-9:15 pm
1 stop10h 08m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Mon 11/17
11:52 pm-8:00 am
Nonstop5h 08m
Newark
Fri 11/21
6:00 am-11:28 am
1 stop8h 28m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Newark Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, October is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of $177). Flying from Seattle to Newark Airport in July is currently the most expensive (average of $297). 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.
A simple way to save on the total cost of your ticket is to fly from Seattle to Newark Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Seattle to Newark Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 18% of weekly flights between Seattle and Newark have experienced delays in the past year, with the average delay time being 177 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday 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, Atlas Air have had the lowest number of delays on this route, with no flights being classified as delayed.
Entertainment
Boarding
Food
Comfort
Overall
Crew
Reviews
Anonymous,Sep 2025
SEA - MKE
Entertainment
Boarding
Food
Comfort
Overall
Crew
Reviews
Anonymous,Sep 2025
SEA - MKE
Entertainment
Boarding
Food
Comfort
Overall
Crew
Reviews
Anonymous,Sep 2025
SEA - MKE
Entertainment
Boarding
Food
Comfort
Overall
Crew
Reviews
Anonymous,Sep 2025
SEA - MKE
Entertainment
Boarding
Food
Comfort
Overall
Crew
Reviews
Anonymous,Sep 2025
SEA - MKE
Entertainment
Boarding
Food
Comfort
Overall
Crew
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$256 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$148 | Average$446 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$168 | Average$472 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$400 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$193 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$197 | Average$424 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$457 | FlexibilityNo cancel fee | On-time75% |