Cheap flights from Newark Airport to Seattle from £135
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
23 Sep — 30 Sep1
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 October or January, booked 28 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.
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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 24 August 2026.
Wed 21/1007:03 -
Nonstop6h 12m
Tue 27/1009:58 -
Nonstop5h 31m
Deal found 24/8£247
Tue 20/1018:44 -
Nonstop6h 11m
Tue 27/1008:30 -
1 stop8h 30m
Deal found 22/8£251
Sat 3/1009:30 -
Nonstop6h 05m
Sun 18/1012:13 -
1 stop8h 12m
Deal found 21/8£252
Sat 17/1009:30 -
Nonstop6h 05m
Mon 2/1121:18 -
Nonstop5h 22m
Deal found 24/8£254
Sat 17/1006:30 -
1 stop9h 49m
Tue 20/1009:58 -
Nonstop5h 31m
Deal found 23/8£256
Sat 31/1009:59 -
1 stop8h 33m
Tue 3/1108:30 -
1 stop8h 30m
Deal found 23/8£258
Fri 23/1018:44 -
Nonstop6h 11m
Sat 31/1008:30 -
1 stop8h 31m
Deal found 23/8£259
Mon 5/1009:30 -
Nonstop6h 05m
Mon 12/1012:13 -
1 stop8h 12m
Deal found 21/8£259
Wed 18/1107:17 -
Nonstop6h 13m
Wed 2/1207:35 -
Nonstop5h 26m
Deal found 22/8£261
Sat 19/916:29 -
1 stop8h 41m
Tue 22/917:50 -
1 stop9h 10m
Deal found 24/8£262
Sat 19/917:27 -
1 stop9h 44m
Sat 26/906:18 -
1 stop7h 18m
Deal found 21/8£262
Sat 17/1006:30 -
1 stop9h 49m
Sat 31/1022:21 -
Nonstop5h 19m
Deal found 24/8£265
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 24 August 2026.
Wed 7/1007:50 -
Nonstop6h 04m
Mon 12/1022:48 -
Nonstop5h 12m
Deal found 19/8£254
Wed 16/916:59 -
1 stop8h 06m
Wed 23/917:50 -
1 stop9h 10m
Deal found 19/8£262
Thu 1/1007:20 -
Nonstop6h 02m
Tue 6/1022:40 -
Nonstop5h 19m
Deal found 20/8£262
Wed 7/1014:55 -
1 stop8h 42m
Thu 22/1007:00 -
Nonstop5h 22m
Deal found 22/8£262
Fri 18/917:59 -
1 stop9h 00m
Tue 22/909:43 -
1 stop6h 47m
Deal found 21/8£269
Wed 14/1007:03 -
Nonstop6h 12m
Sun 18/1008:40 -
1 stop11h 45m
Deal found 20/8£270
Fri 4/1216:25 -
1 stop20h 40m
Tue 8/1222:40 -
Nonstop5h 08m
Deal found 24/8£277
Sat 12/920:25 -
Nonstop6h 11m
Thu 17/913:00 -
Nonstop5h 31m
Deal found 24/8£295
Thu 15/1017:43 -
Nonstop6h 15m
Sun 18/1007:20 -
1 stop13h 05m
Deal found 22/8£277
Fri 18/916:35 -
1 stop9h 04m
Tue 22/922:01 -
Nonstop5h 29m
Deal found 24/8£302
Wed 7/1007:03 -
Nonstop6h 12m
Sat 17/1018:58 -
1 stop18h 04m
Deal found 20/8£302
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 24 August 2026.
Wed 21/1007:03 -
Nonstop6h 12m
Tue 27/1009:58 -
Nonstop5h 31m
Deal found 24/8£247
Sat 17/1009:30 -
Nonstop6h 05m
Mon 2/1121:18 -
Nonstop5h 22m
Deal found 24/8£254
Fri 6/1115:29 -
Nonstop6h 16m
Wed 11/1106:00 -
Nonstop5h 29m
Deal found 24/8£258
Wed 18/1107:17 -
Nonstop6h 13m
Wed 2/1207:35 -
Nonstop5h 26m
Deal found 22/8£261
Thu 22/1007:03 -
Nonstop6h 12m
Sun 1/1115:41 -
Nonstop5h 18m
Deal found 24/8£262
Sat 6/216:48 -
Nonstop6h 15m
Tue 9/209:05 -
Nonstop5h 14m
Deal found 23/8£262
Sat 17/1009:30 -
Nonstop6h 05m
Tue 20/1008:08 -
Nonstop5h 35m
Deal found 22/8£265
Fri 6/1119:29 -
Nonstop6h 13m
Sun 8/1121:40 -
Nonstop5h 24m
Deal found 22/8£266
Wed 14/1009:30 -
Nonstop6h 05m
Sun 18/1022:40 -
Nonstop5h 19m
Deal found 21/8£267
Wed 18/1107:00 -
Nonstop6h 16m
Mon 23/1122:22 -
Nonstop5h 18m
Deal found 24/8£268
Tue 15/1218:30 -
Nonstop6h 30m
Mon 11/122:40 -
Nonstop5h 13m
Deal found 24/8£270
Last-minute flights from Newark to Seattle
Discover last-minute flight deals from Newark to Seattle. Data last updated 24 August 2026 and is based on user searches.
Tue 15/907:59 -
Nonstop6h 04m
Tue 22/913:57 -
1 stop8h 00m
Deal found 21/8£254
Wed 16/920:25 -
Nonstop6h 11m
Mon 28/922:48 -
Nonstop5h 12m
Deal found 21/8£278
Fri 18/917:59 -
1 stop9h 00m
Tue 22/923:59 -
1 stop7h 58m
Deal found 20/8£269
Fri 18/917:59 -
1 stop9h 00m
Mon 21/919:59 -
1 stop7h 01m
Deal found 19/8£276
Sat 19/916:29 -
1 stop8h 41m
Tue 22/917:50 -
1 stop9h 10m
Deal found 24/8£262
Sat 19/917:27 -
1 stop9h 44m
Sat 26/906:18 -
1 stop7h 18m
Deal found 21/8£262
Sat 19/907:20 -
Nonstop6h 02m
Wed 23/910:04 -
1 stop10h 25m
Deal found 20/8£265
Sat 19/909:00 -
Nonstop6h 02m
Wed 30/912:30 -
1 stop7h 59m
Deal found 23/8£273
Tue 22/907:20 -
Nonstop6h 02m
Thu 24/912:30 -
1 stop7h 59m
Deal found 20/8£270
Wed 23/907:59 -
Nonstop6h 04m
Wed 14/1022:48 -
Nonstop5h 12m
Deal found 22/8£247
Thu 24/906:55 -
1 stop8h 55m
Mon 5/1022:40 -
Nonstop5h 19m
Deal found 24/8£277
Wed 30/917:02 -
1 stop8h 37m
Tue 6/1008:08 -
Nonstop5h 35m
Deal found 21/8£279
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 24 August 2026.
Fri 13/1109:30 -
Nonstop6h 17m
Deal found 24/8£135
Fri 18/916:35 -
1 stop9h 04m
Deal found 24/8£138
Thu 21/109:00 -
Nonstop6h 17m
Deal found 19/8£139
Wed 23/907:20 -
Nonstop6h 02m
Deal found 23/8£141
Sat 10/1007:03 -
Nonstop6h 12m
Deal found 24/8£141
Tue 15/906:55 -
1 stop8h 55m
Deal found 21/8£142
Sat 5/916:53 -
1 stop8h 12m
Deal found 21/8£146
Sun 13/906:50 -
1 stop9h 00m
Deal found 22/8£147
Mon 14/1219:29 -
Nonstop6h 13m
Deal found 21/8£147
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 24 August 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 24 August 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
Fastest return journey
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Wed 7/10
07:50-10:54
Nonstop6h 04m
Seattle/Tacoma Intl
Mon 12/10
22:48-07:00
Nonstop5h 12m
£254
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Wed 16/9
16:59-22:05
1 stop8h 06m
Seattle/Tacoma Intl
Wed 23/9
17:50-06:00
1 stop9h 10m
£262
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Thu 1/10
07:20-10:22
Nonstop6h 02m
Seattle/Tacoma Intl
Tue 6/10
22:40-06:59
Nonstop5h 19m
£262
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Wed 7/10
14:55-20:37
1 stop8h 42m
Seattle/Tacoma Intl
Thu 22/10
07:00-15:22
Nonstop5h 22m
£262
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 18/9
17:59-23:59
1 stop9h 00m
Seattle/Tacoma Intl
Tue 22/9
09:43-19:30
1 stop6h 47m
£269
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Wed 14/10
07:03-10:15
Nonstop6h 12m
Seattle/Tacoma Intl
Sun 18/10
08:40-23:25
1 stop11h 45m
£270
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 4/12
16:25-10:05
1 stop20h 40m
Seattle/Tacoma Intl
Tue 8/12
22:40-06:48
Nonstop5h 08m
£277
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Thu 15/10
17:43-20:58
Nonstop6h 15m
Seattle/Tacoma Intl
Sun 18/10
07:20-23:25
1 stop13h 05m
£277
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Sat 12/9
20:25-23:36
Nonstop6h 11m
Seattle/Tacoma Intl
Thu 17/9
13:00-21:31
Nonstop5h 31m
£295
NewarkSeattle
EWR Newark - SEA Seattle/Tacoma Intl
EWRSEA
Newark
Fri 18/9
16:35-22:39
1 stop9h 04m
Seattle/Tacoma Intl
Tue 22/9
22:01-06:30
Nonstop5h 29m
£302
Flights are sorted by cheapest return flights first.
Deals found on 24/8
Showing 1-10 of 21 resultsSorted by cheapest first
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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 27 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, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of £219). Flying from Newark Airport to Seattle in August is currently the most expensive (average of £417). 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 24 August 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 below average for this route at the moment.
Newark Airport to Seattle flights typically cost between £276 and £421 in October.The cheapest return price found within the last 5 days was £247 on Alaska Airlines (21 Oct–27 Oct).
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 24 August 2026.
The most flights from EWR to SEA are scheduled on a Friday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 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 178 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?
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.
Which airline has the best punctuality record on Newark to Seattle flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 17% 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 9 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 16m. Fly via United Airlines, Delta, or Alaska Airlines 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 (82%), Japan Airlines (82%) and Alaska Airlines (75%).
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, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of £219). Flying from Newark Airport to Seattle in August is currently the most expensive (average of £417). 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 24 August 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.
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