Cheap flights from Newark Airport to Seattle from £135
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
31 Oct — 7 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 Monday or Tuesday and return on a Monday
Cheap flight deals from Newark to Seattle
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Newark to Seattle
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 1 October 2026.
Tue 8/1217:02 -
Nonstop6h 30m
Wed 6/122:40 -
Nonstop5h 13m
Deal found 28/9£254
Wed 4/1107:06 -
1 stop10h 06m
Wed 4/1115:41 -
Nonstop5h 18m
Deal found 28/9£258
Sat 31/1007:55 -
Nonstop6h 21m
Tue 3/1108:30 -
1 stop8h 30m
Deal found 29/9£259
Sat 31/1006:30 -
1 stop8h 35m
Tue 3/1106:00 -
Nonstop5h 29m
Deal found 30/9£262
Sat 31/1016:45 -
1 stop8h 20m
Sat 7/1106:00 -
1 stop6h 58m
Deal found 27/9£269
Sat 24/1015:18 -
Nonstop6h 01m
Sun 25/1006:17 -
Nonstop5h 12m
Deal found 30/9£273
Thu 29/1018:17 -
Nonstop6h 22m
Sat 31/1008:30 -
1 stop8h 31m
Deal found 29/9£274
Sat 14/1118:29 -
Nonstop6h 19m
Sun 17/122:40 -
Nonstop5h 13m
Deal found 28/9£274
Sat 31/1011:22 -
1 stop10h 41m
Sun 1/1106:15 -
Nonstop5h 12m
Deal found 30/9£277
Tue 27/1018:17 -
Nonstop6h 22m
Sat 31/1008:30 -
1 stop8h 31m
Deal found 29/9£277
Best flights from Newark to Seattle
Discover carefully curated flight deals from Newark to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.
Sat 31/1006:30 -
1 stop9h 49m
Sat 7/1115:53 -
1 stop11h 37m
Deal found 29/9£269
Wed 11/1116:44 -
1 stop8h 14m
Wed 18/1106:00 -
1 stop8h 09m
Deal found 27/9£269
Fri 6/1118:17 -
Nonstop6h 22m
Tue 10/1108:30 -
1 stop8h 30m
Deal found 30/9£274
Fri 4/1218:29 -
Nonstop6h 30m
Tue 8/1215:44 -
Nonstop5h 15m
Deal found 29/9£269
Sat 31/1016:45 -
1 stop8h 20m
Sat 7/1106:00 -
1 stop6h 58m
Deal found 27/9£269
Fri 20/1107:55 -
Nonstop6h 21m
Mon 23/1123:15 -
Nonstop5h 06m
Deal found 30/9£290
Fri 6/1117:54 -
1 stop18h 00m
Wed 11/1115:41 -
Nonstop5h 18m
Deal found 30/9£277
Fri 16/1018:46 -
1 stop8h 13m
Mon 19/1019:55 -
1 stop7h 05m
Deal found 30/9£307
Thu 12/1107:00 -
Nonstop6h 16m
Tue 19/122:40 -
Nonstop5h 13m
Deal found 28/9£290
Thu 5/1115:29 -
Nonstop6h 16m
Sun 8/1108:45 -
1 stop18h 45m
Deal found 29/9£292
Direct flights from Newark to Seattle
Explore direct flight options from Newark to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.
Tue 8/1217:02 -
Nonstop6h 30m
Wed 6/122:40 -
Nonstop5h 13m
Deal found 28/9£254
Tue 5/118:15 -
Nonstop6h 25m
Tue 19/106:50 -
Nonstop5h 14m
Deal found 29/9£268
Sat 31/1007:55 -
Nonstop6h 21m
Sun 1/1123:15 -
Nonstop5h 06m
Deal found 30/9£269
Sat 24/1015:18 -
Nonstop6h 01m
Sun 25/1006:17 -
Nonstop5h 12m
Deal found 30/9£273
Sat 14/1115:29 -
Nonstop6h 16m
Wed 20/122:40 -
Nonstop5h 13m
Deal found 28/9£274
Fri 23/1007:03 -
Nonstop6h 12m
Sat 31/1022:21 -
Nonstop5h 19m
Deal found 29/9£277
Mon 14/1209:40 -
Nonstop6h 21m
Wed 30/1206:00 -
Nonstop5h 18m
Deal found 29/9£284
Thu 5/1115:29 -
Nonstop6h 16m
Sun 8/1106:00 -
Nonstop5h 29m
Deal found 29/9£284
Thu 29/1007:03 -
Nonstop6h 12m
Mon 2/1121:18 -
Nonstop5h 22m
Deal found 30/9£288
Thu 11/209:00 -
Nonstop6h 13m
Tue 16/222:45 -
Nonstop5h 11m
Deal found 30/9£290
Tue 27/1007:03 -
Nonstop6h 12m
Tue 3/1115:41 -
Nonstop5h 18m
Deal found 30/9£292
Fri 12/308:00 -
Nonstop5h 59m
Sun 21/306:50 -
Nonstop5h 14m
Deal found 30/9£295
Last-minute flights from Newark to Seattle
Discover last-minute flight deals from Newark to Seattle. Data last updated 1 October 2026 and is based on user searches.
Fri 23/1007:50 -
Nonstop6h 04m
Sat 31/1008:30 -
1 stop8h 31m
Deal found 27/9£281
Sat 24/1015:18 -
Nonstop6h 01m
Sun 25/1006:17 -
Nonstop5h 12m
Deal found 30/9£273
Tue 27/1007:55 -
Nonstop6h 21m
Tue 24/1106:30 -
Nonstop5h 12m
Deal found 26/9£274
Tue 27/1018:17 -
Nonstop6h 22m
Sat 31/1008:30 -
1 stop8h 31m
Deal found 29/9£277
Thu 29/1018:17 -
Nonstop6h 22m
Sat 31/1008:30 -
1 stop8h 31m
Deal found 29/9£274
Sat 31/1007:55 -
Nonstop6h 21m
Tue 3/1108:30 -
1 stop8h 30m
Deal found 29/9£259
Sat 31/1006:30 -
1 stop8h 35m
Tue 3/1106:00 -
Nonstop5h 29m
Deal found 30/9£262
Sat 31/1016:45 -
1 stop8h 20m
Sat 7/1106:00 -
1 stop6h 58m
Deal found 27/9£269
Sat 31/1011:22 -
1 stop10h 41m
Sun 1/1106:15 -
Nonstop5h 12m
Deal found 30/9£277
One-way flights from Newark to Seattle
Search for one-way flight options from Newark to Seattle. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.
Sat 31/1012:12 -
1 stop9h 51m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/9£135
Thu 19/1109:30 -
Nonstop6h 17m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£141
Fri 30/1007:55 -
Nonstop6h 21m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/9£143
Sat 24/1015:18 -
Nonstop6h 01m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9£146
Wed 25/1118:17 -
Nonstop6h 22m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/9£148
Fri 20/1113:30 -
1 stop8h 33m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9£155
Mon 19/1012:00 -
1 stop10h 04m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£158
Sat 24/1007:04 -
1 stop10h 46m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9£161
Fri 20/1107:20 -
1 stop10h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/9£163
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 1 October 2026.
Customise 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 1 October 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
Price
Cheapest return flight
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Wed 18/11
11:20-17:57
1 stop9h 37m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£135
Fastest return journey
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 30/10
07:03-10:15
Nonstop6h 12m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£143
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 30/10
07:55-11:16
Nonstop6h 21m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£143
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Thu 5/11
11:50-16:58
1 stop8h 08m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£150
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sat 17/10
08:30-14:19
1 stop8h 49m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£154
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sun 1/11
06:00-10:50
1 stop7h 50m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£165
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Wed 25/11
19:29-22:48
Nonstop6h 19m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£176
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sat 31/10
07:15-20:47
2 stops16h 32m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£180
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Tue 13/10
13:00-18:35
1 stop8h 35m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£180
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sat 24/10
10:48-21:15
2 stops13h 27m
Seattle/Tacoma Intl
Wed 31/12
00:00-03:00
Nonstop0h 00m
£180
Flights are sorted by cheapest return flights first.
Deals found on 30/9
Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
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 return 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?
To ensure you get the cheapest price possible for a flight from Newark Airport to Seattle, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 £232). Flying from Newark Airport to Seattle in August is currently the most expensive (average of £431). 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 1 October 2026.
When flying from Newark Airport to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Newark Airport to Seattle?
Airfare is typical for this route at the moment.
Newark Airport to Seattle flights typically cost between £213 and £330 in December.The cheapest return price found within the last 5 days was £254 on Alaska Airlines (8 Dec–6 Jan).
Weekly flight availability from Newark Airport to Seattle
Explore weekly flight availability from Newark to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 October 2026.
The most flights from EWR to SEA are scheduled on a Tuesday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
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 past year, Alaska Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
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.
What airport do you fly into for flights to Seattle from Newark?
Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Newark. On average, Seattle/Tacoma Intl has 4 inbound flights from Newark per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
How long is the flight from Newark Airport to Seattle?
There are many flights that can get you from Newark Airport to Seattle in 6h 05m. Fly via Alaska Airlines or Delta to get the fastest option. Airlines will cover a distance of 2393 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Newark Airport to Seattle?
The top 3 most reliable airlines when flying from Newark Airport to Seattle are American Airlines (79%), Japan Airlines (79%) and Alaska Airlines (71%).
Can I find deals for flights from Newark to Seattle that include hotel bookings?
Yes. In addition to deals on Newark to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Newark to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Seattle.
Can I find deals for business class flights from Newark to Seattle?
Yes. Cheapflights offers flight deals from Newark to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 £232). Flying from Newark Airport to Seattle in August is currently the most expensive (average of £431). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 1 October 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Newark to Seattle?
Cheapflights helps you search for flights from Newark to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Newark to Seattle?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Newark.
Can Cheapflights find flights from Newark to Seattle with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Newark to Seattle, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Newark to Seattle become cheaper?
Yes! Start tracking prices for Newark to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.