Find flights
Deals
When to book
FAQs

Cheap flights from Seattle to Newark Airport from £115

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Newark

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Newark
Explore the most affordable flight options available from Seattle to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Wed 4/1123:05
SEA
-
EWR
1 stop6h 57m
Delta
Sat 7/1109:40
EWR
-
SEA
1 stop7h 43m
Delta
Deal found 7/6£231
Thu 24/922:01
SEA
-
EWR
Nonstop5h 29m
Alaska Airlines
Fri 25/909:00
EWR
-
SEA
Nonstop6h 07m
Alaska Airlines
Deal found 8/6£235
Thu 27/823:00
SEA
-
EWR
1 stop7h 08m
United Airlines
Fri 15/108:00
EWR
-
SEA
Nonstop5h 59m
United Airlines
Deal found 10/6£235
Fri 25/922:58
SEA
-
EWR
Nonstop5h 12m
United Airlines
Sun 27/907:50
EWR
-
SEA
Nonstop6h 04m
United Airlines
Deal found 11/6£236
Tue 1/923:10
SEA
-
EWR
1 stop6h 33m
Delta
Tue 8/906:00
EWR
-
SEA
1 stop9h 53m
Delta
Deal found 8/6£237
Wed 16/912:30
SEA
-
EWR
1 stop7h 59m
Alaska Airlines
Fri 25/907:20
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 8/6£238
Fri 16/1022:37
SEA
-
EWR
Nonstop5h 22m
Alaska Airlines
Thu 22/1007:00
EWR
-
SEA
Nonstop6h 12m
Alaska Airlines
Deal found 8/6£238
Tue 4/823:00
SEA
-
EWR
Nonstop5h 18m
United Airlines
Mon 10/817:12
EWR
-
SEA
1 stop8h 58m
United Airlines
Deal found 9/6£239
Thu 8/1012:13
SEA
-
EWR
1 stop8h 12m
Alaska Airlines
Mon 12/1007:00
EWR
-
SEA
Nonstop6h 12m
Alaska Airlines
Deal found 9/6£240
Sun 22/1121:40
SEA
-
EWR
Nonstop5h 24m
Alaska Airlines
Wed 2/1219:29
EWR
-
SEA
Nonstop6h 13m
Alaska Airlines
Deal found 10/6£241
Tue 11/815:55
SEA
-
EWR
1 stop11h 04m
Alaska Airlines
Tue 18/818:29
EWR
-
SEA
1 stop17h 51m
Alaska Airlines
Deal found 8/6£241
Tue 13/1023:13
SEA
-
EWR
1 stop7h 00m
United Airlines
Mon 19/1018:44
EWR
-
SEA
Nonstop6h 11m
United Airlines
Deal found 9/6£242

Find flight deals from Seattle to Newark

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Newark (EWR). 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 11 June 2026.

Round-trip from

£231

One-way from

£115

Popular in

June

Cheapest in

October

Average price

£388
Delta
  • Delta
  • 4/11-7/11
  • 2 total stops
  • 14h 40m total
  • Seattle to Newark
Search Deals
United Airlines
  • United Airlines
  • 23/9
  • Nonstop
  • 5h 12m total
  • Seattle to Newark
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to Newark 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 858,174 searches. Data last updated 11 June 2026.
Use the filters below to find and compare flights from Seattle to Newark Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 5/10

12:13-23:25

1 stop8h 12m

Newark

Thu 8/10

09:30-12:35

Nonstop6h 05m

£243

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 3/10

22:37-06:59

Nonstop5h 22m

Newark

Sat 10/10

06:30-13:19

1 stop9h 49m

£243

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 22/7

15:55-05:59

1 stop11h 04m

Newark

Tue 28/7

17:36-20:58

Nonstop6h 22m

£282

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 12/9

22:01-06:30

Nonstop5h 29m

Newark

Mon 21/9

17:50-20:57

Nonstop6h 07m

£285

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 25/6

07:30-15:51

Nonstop5h 21m

Newark

Wed 8/7

16:25-19:36

Nonstop6h 11m

£289

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 9/7

23:20-09:55

1 stop7h 35m

Newark

Mon 13/7

20:30-23:44

Nonstop6h 14m

£306

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 7/8

17:53-16:36

1 stop19h 43m

Newark

Sat 15/8

18:29-09:19

1 stop17h 50m

£312

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 23/8

23:59-10:49

1 stop7h 50m

Newark

Sat 29/8

16:53-22:05

1 stop8h 12m

£318
Fastest return journey

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 4/8

23:00-07:18

Nonstop5h 18m

Newark

Wed 19/8

20:33-23:44

Nonstop6h 11m

£324

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 8/8

17:59-05:59

1 stop9h 00m

Newark

Mon 24/8

07:25-10:27

Nonstop6h 02m

£325

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Seattle to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from Seattle with our price prediction graph.
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 Seattle to Newark Airport

How far ahead should I book a flight from Seattle to Newark Airport?

Booking 86 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.

What is the cheapest month to book a flight from Seattle to Newark Airport?

Currently, October is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of £218). Flying from Seattle to Newark Airport in June is currently the most expensive (average of £388). 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 SEA to EWR?

Find hourly flight availability from Seattle to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 June 2026.

When flying from Seattle to Newark Airport, 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 Seattle to Newark Airport?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Newark. 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 from for flights from Seattle to Newark?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Newark. You should not have trouble finding flights to Newark from Seattle/Tacoma Intl; the airport handles an average of 10 outbound flights to Newark per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to Newark. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How long is the flight from Seattle to Newark Airport?

    There are many flights that can get you from Seattle to Newark Airport in 5h 22m. Fly via Alaska Airlines, United Airlines, or Delta to get the fastest option. The distance between Seattle and Newark Airport is about 2393 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Seattle to Newark Airport?

    Before booking your flight to Newark Airport from Seattle, check out the most reliable airlines to get you to your destination on time: Hawaiian Airlines (94%), American Airlines (90%), Korean Air( 90%).

  • Can I find deals for flights from Seattle to Newark that include hotel bookings?

    Yes. In addition to deals on Seattle to Newark flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Newark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Newark.

  • Can I find deals for business class flights from Seattle to Newark?

    Yes. Cheapflights offers flight deals from Seattle to Newark 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 Seattle to Newark Airport?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of £218). Flying from Seattle to Newark Airport in June is currently the most expensive (average of £388). 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.

See more FAQs

Travelling to a place near Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Ronkonkoma
Weehawken
Yonkers
Elizabeth
Mahwah
North Bergen
Bronx
North Wales
Rutherford
Staten Island
Carlstadt
Norwalk
Fort Lee
Rahway
Carteret
Secaucus
West New York
Englewood
Edgewater

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Newark

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Newark flights

Fly with Cheapflights

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 Seattle to Newark?

When you search for this flight from Seattle to Newark, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Newark?

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 Newark from Seattle.

Can Cheapflights find flights from Seattle to Newark with no change fees?

Yes, we can. To see specific flights from Seattle to Newark with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Newark become cheaper?

Yes! Start tracking prices for Seattle to Newark 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.