$179+ Cheap flights from Newark (EWR) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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Find cheap flights from Newark to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in January or February, booked 86 days in advance, depart on a Wednesday or Thursday and return on a Friday
Cheap flight deals from Newark to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Newark to SeattleExplore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
Explore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
This Trip.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:03 am -
Nonstop6h 12m
Sat 10/249:58 am -
Nonstop5h 31m
Deal found 10/2![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:25 pm -
Nonstop6h 11m
Wed 11/188:30 am -
1 stop8h 30m
Deal found 9/30![United Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am -
1 stop8h 35m
Tue 11/36:00 am -
Nonstop5h 29m
Deal found 9/30![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:18 pm -
1 stop11h 34m
Sat 10/241:40 pm -
1 stop8h 18m
Deal found 10/2![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:03 am -
Nonstop6h 12m
Thu 11/53:41 pm -
Nonstop5h 18m
Deal found 9/30![Alaska Airlines logo]()
$357
This Trip.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:03 am -
Nonstop6h 05m
Wed 11/43:41 pm -
Nonstop5h 18m
Deal found 9/30![Alaska Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:55 am -
Nonstop6h 21m
Wed 11/46:30 am -
Nonstop5h 12m
Deal found 10/1![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:17 pm -
Nonstop6h 22m
Tue 11/108:30 am -
1 stop8h 30m
Deal found 9/30![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:25 pm -
Nonstop6h 24m
Sat 12/511:25 pm -
Nonstop5h 01m
Deal found 9/30![United Airlines logo]()
$364
Best flights from Newark to SeattleDiscover carefully curated flight deals from Newark to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated flight deals from Newark to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:55 am -
Nonstop6h 21m
Tue 11/38:30 am -
1 stop8h 30m
Deal found 10/1![United Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:30 am -
Nonstop6h 17m
Wed 11/119:18 pm -
Nonstop5h 22m
Deal found 10/1![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:59 pm -
1 stop8h 50m
Tue 12/87:54 pm -
1 stop7h 04m
Deal found 10/2![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
Nonstop6h 16m
Sun 11/89:18 pm -
Nonstop5h 22m
Deal found 10/2![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:18 pm -
1 stop9h 45m
Wed 10/215:30 am -
1 stop8h 19m
Deal found 10/1![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:29 pm -
1 stop8h 50m
Sun 11/156:15 am -
Nonstop5h 12m
Deal found 10/4![United Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
Nonstop6h 16m
Sun 11/86:00 am -
Nonstop5h 29m
Deal found 10/2![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:40 am -
1 stop8h 10m
Mon 11/1611:40 pm -
1 stop7h 58m
Deal found 10/4![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:29 pm -
1 stop8h 34m
Wed 12/211:33 pm -
Nonstop5h 01m
Deal found 10/4![United Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:02 pm -
Nonstop6h 30m
Mon 12/146:00 am -
Nonstop5h 20m
Deal found 10/4![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:03 am -
Nonstop6h 12m
Wed 10/288:08 am -
Nonstop5h 35m
Deal found 10/3![Alaska Airlines logo]()
$417
Last-minute flights from Newark to SeattleDiscover last-minute flight deals from Newark to Seattle. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to Seattle. Data last updated October 5, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:03 am -
Nonstop6h 12m
Sat 10/249:58 am -
Nonstop5h 31m
Deal found 10/2![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:25 pm -
Nonstop6h 11m
Wed 11/188:30 am -
1 stop8h 30m
Deal found 9/30![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:18 pm -
1 stop11h 34m
Sat 10/241:40 pm -
1 stop8h 18m
Deal found 10/2![Delta logo]()
$355
This Trip.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:03 am -
Nonstop6h 05m
Wed 11/43:41 pm -
Nonstop5h 18m
Deal found 9/30![Alaska Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:55 am -
Nonstop6h 21m
Wed 11/46:30 am -
Nonstop5h 12m
Deal found 10/1![United Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am -
1 stop8h 35m
Tue 11/36:00 am -
Nonstop5h 29m
Deal found 9/30![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:03 am -
Nonstop6h 12m
Thu 11/53:41 pm -
Nonstop5h 18m
Deal found 9/30![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:17 pm -
Nonstop6h 22m
Tue 11/108:30 am -
1 stop8h 30m
Deal found 9/30![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:25 pm -
Nonstop6h 24m
Sat 12/511:25 pm -
Nonstop5h 01m
Deal found 9/30![United Airlines logo]()
$364
One-way flights from Newark to SeattleSearch for one-way flight options from Newark to Seattle. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
Search for one-way flight options from Newark to Seattle. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:55 am -
1 stop10h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$179
This Mytrip deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:35 am -
2 stops25h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$185
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:55 am -
Nonstop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:35 am -
2 stops30h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:03 am -
Nonstop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Alaska Airlines logo]()
$193
This Alaska Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:43 pm -
Nonstop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Alaska Airlines logo]()
$194
This Alaska Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:29 pm -
Nonstop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Alaska Airlines logo]()
$196
This Mytrip deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:00 pm -
2 stops22h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Frontier logo]()
$197
This Mytrip deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:00 pm -
2 stops22h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$198
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$199
Find flight deals from Newark to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $342 (Trip.com) |
One-way from | $179 (United Airlines) |
Popular in | August |
Cheapest in | January |
Average price | $366 |
Good round-trip deal | $384 or less |
Good one-way deal | $206 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Newark to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 5, 2026.
Use the filters below to find and compare flights from Newark Airport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sat 10/31
12:12 pm-7:03 pm
1 stop9h 51m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Wed 12/9
10:35 am-4:47 pm
1 stop9h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sat 11/7
4:35 pm-10:05 pm
1 stop8h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
Quickest round-trip
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sun 11/8
7:00 am-10:16 am
Nonstop6h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 11/13
3:29 pm-6:45 pm
Nonstop6h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Thu 10/29
7:55 am-11:16 am
Nonstop6h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 11/13
5:45 pm-11:59 pm
1 stop9h 14m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$199
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Mon 10/19
2:55 pm-8:37 pm
1 stop8h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Thu 10/22
1:21 pm-7:04 pm
1 stop8h 43m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 10/23
7:04 am-2:50 pm
1 stop10h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Newark to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Seattle in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Newark Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Newark Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Newark to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Newark with our price prediction graph.
EWR-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Newark Airport to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Newark Airport to Seattle?
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 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Newark Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of $309). Flying from Newark Airport to Seattle in August is currently the most expensive (average of $571). 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.
What is the cheapest time of day to fly from EWR to SEA?
Find hourly flight availability from Newark to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 5, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 18% on flights from Newark Airport to Seattle by exploring options for tickets in the evening.
What is the cheapest day to fly from Newark Airport to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Newark to Seattle. Price data was last updated on September 26, 2026.
Travelers seeking maximum savings on their Newark Airport to Seattle flight should consider departing on Friday 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.
How often are flights from Newark to Seattle delayed?
About 18% of weekly flights between Newark and Seattle have experienced delays in the past year, with the average delay time being 168 minutes.
What is the most punctual flight time for Newark to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday 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.
Which airline has the best punctuality record on Newark to Seattle flights?
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
The best insider tips for Newark Airport to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 5, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Newark Airport to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Newark to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Marysville
Lakewood
Fife
Poulsbo
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Newark and Seattle flights
Browse other Newark and Seattle flight options. Last updated on October 5, 2026.
Other flights from Newark
Browse through other flights departing from Newark. Flights are based on user searches made on Cheapflights and were last updated on October 5, 2026.
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Top 5 airlines flying from Newark to Seattle
Discover the top 5 airlines that operate flights from Newark to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$201 | Average$447 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$219 | Average$438 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$256 | Average$410 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$296 | Average$487 | FlexibilityNo cancel fee | On-time71% |