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Cheap flights from Seattle to Newark Airport from C$ 239

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Newark are usually found in October or March, booked 87 days in advance, depart on a Sunday or Friday and return on a Tuesday

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 23 June 2026.

Sun 22/119:40 p.m.
SEA
-
EWR
Nonstop5h 24m
Alaska Airlines
Fri 4/124:00 p.m.
EWR
-
SEA
Nonstop6h 17m
Alaska Airlines
Deal found 22/6C$ 472
Mon 23/1110:30 a.m.
SEA
-
EWR
Nonstop5h 26m
Alaska Airlines
Sat 5/127:00 a.m.
EWR
-
SEA
1 stop10h 51m
Alaska Airlines
Deal found 23/6C$ 473
Sat 19/910:01 p.m.
SEA
-
EWR
Nonstop5h 29m
Alaska Airlines
Sat 26/95:02 p.m.
EWR
-
SEA
1 stop19h 18m
Alaska Airlines
Deal found 23/6C$ 478
Wed 16/912:30 p.m.
SEA
-
EWR
1 stop7h 59m
Alaska Airlines
Wed 23/97:20 a.m.
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 21/6C$ 479
Fri 25/910:01 p.m.
SEA
-
EWR
Nonstop5h 29m
Alaska Airlines
Mon 28/97:20 a.m.
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 22/6C$ 480
Tue 4/83:38 p.m.
SEA
-
EWR
Nonstop5h 21m
Alaska Airlines
Fri 11/97:20 a.m.
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 22/6C$ 485
Thu 10/912:30 p.m.
SEA
-
EWR
1 stop7h 59m
Alaska Airlines
Thu 17/97:20 a.m.
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 23/6C$ 486
Fri 10/711:00 p.m.
SEA
-
EWR
Nonstop5h 18m
United Airlines
Wed 15/78:30 p.m.
EWR
-
SEA
Nonstop6h 14m
United Airlines
Deal found 19/6C$ 487
Fri 30/1011:05 p.m.
SEA
-
EWR
1 stop10h 00m
Delta
Sun 1/116:55 p.m.
EWR
-
SEA
1 stop8h 16m
Delta
Deal found 23/6C$ 489
Wed 12/83:38 p.m.
SEA
-
EWR
Nonstop5h 21m
Alaska Airlines
Fri 21/84:35 p.m.
EWR
-
SEA
1 stop10h 05m
Alaska Airlines
Deal found 22/6C$ 492
Tue 24/117:35 p.m.
SEA
-
EWR
1 stop7h 29m
Delta
Wed 2/123:00 p.m.
EWR
-
SEA
1 stop8h 27m
Delta
Deal found 23/6C$ 493
Mon 23/119:40 p.m.
SEA
-
EWR
Nonstop5h 24m
Alaska Airlines
Tue 24/117:29 p.m.
EWR
-
SEA
Nonstop6h 13m
Alaska Airlines
Deal found 23/6C$ 494

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 23 June 2026.

Round-trip from

C$ 472

One-way from

C$ 239

Popular in

June

Cheapest in

October

Average price

C$ 697
Alaska Airlines
  • Alaska Airlines
  • 22/11-7/12
  • Nonstop
  • 11h 42m total
  • Seattle to Newark
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 13/10
  • Nonstop
  • 5h 34m total
  • Seattle to Newark
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 23 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 round-trip

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 22/9

10:01 p.m.-6:30 a.m.

Nonstop5h 29m

Newark

Wed 23/9

5:02 p.m.-10:39 p.m.

1 stop8h 37m

C$ 502

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 24/9

10:01 p.m.-6:30 a.m.

Nonstop5h 29m

Newark

Sun 27/9

6:50 a.m.-12:50 p.m.

1 stop9h 00m

C$ 519

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 3/7

7:05 a.m.-3:31 p.m.

Nonstop5h 26m

Newark

Sun 12/7

7:25 a.m.-10:35 a.m.

Nonstop6h 10m

C$ 546

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 22/9

1:00 p.m.-9:31 p.m.

Nonstop5h 31m

Newark

Wed 23/9

8:25 p.m.-11:36 p.m.

Nonstop6h 11m

C$ 578

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 25/8

11:59 p.m.-11:53 a.m.

1 stop8h 54m

Newark

Wed 26/8

8:33 p.m.-11:44 p.m.

Nonstop6h 11m

C$ 594
Quickest round-trip

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 3/7

3:38 p.m.-11:59 p.m.

Nonstop5h 21m

Newark

Tue 14/7

7:25 a.m.-10:35 a.m.

Nonstop6h 10m

C$ 608

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 3/7

7:05 a.m.-3:31 p.m.

Nonstop5h 26m

Newark

Sat 11/7

7:25 a.m.-10:35 a.m.

Nonstop6h 10m

C$ 608

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 17/8

11:59 p.m.-11:53 a.m.

1 stop8h 54m

Newark

Mon 24/8

1:22 p.m.-9:15 p.m.

1 stop10h 53m

C$ 635

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 17/8

3:38 p.m.-11:59 p.m.

Nonstop5h 21m

Newark

Tue 18/8

5:36 p.m.-8:58 p.m.

Nonstop6h 22m

C$ 667
Cheapest one-way

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 13/10

9:55 a.m.-6:29 p.m.

Nonstop5h 34m

C$ 239

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/6

Showing 1-10 of 21 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 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 Seattle to Newark Airport

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

To ensure you get the cheapest price possible for a flight from Seattle to Newark Airport, you should look to book at least 86 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 Seattle to Newark Airport?

Currently, October is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of C$ 417). Flying from Seattle to Newark Airport in June is currently the most expensive (average of C$ 697). 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 23 June 2026.

A simple way to save on the total cost of your ticket is to fly from Seattle to Newark Airport at noon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Seattle to Newark Airport?

Reviews of airlines servicing Newark

Get insights into the airlines that provide service to Newark. 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 Newark. Reviews last updated 23 June 2026.
Get a feel of what it's like to fly with Alaska Airlines from Seattle to Newark Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,564 reviews
Check prices

Overall

7.9

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,564 reviews
Alaska Airlines
7.9
Good
12,564 reviews
Check prices

Overall

7.9

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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?

    For a flight from Seattle to Newark, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 6 outbound flights to Newark per day. 1 airline has flights to Newark from Seattle/Tacoma Intl on a regular basis.

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

    Departing from Seattle to Newark Airport will take you 7h 59m. The distance from Seattle to Newark Airport is about 3851 km.

  • What is the cheapest airline to fly from Seattle to Newark Airport round-trip?

    Our cheapest airline available from Seattle to Newark Airport is Alaska Airlines. Our recent data shows that you can find tickets from as low as C$ 308 on this airline. This flight start at 42% lower than the current average price 3 months from now.

  • 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 (96%), Korean Air (87%), TAP AIR PORTUGAL( 87%).

  • 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 vacation 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 C$ 417). Flying from Seattle to Newark Airport in June is currently the most expensive (average of C$ 697). 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
Staten Island
Carlstadt
Rahway
East Rutherford
Carteret
Westbury
Fort Lee
Yonkers
Paramus
Hoboken
New Brunswick
Teaneck
Secaucus
Stratford
Bordentown
Woodbridge
Hackensack
Harrison
Bronx

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Newark

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to John F Kennedy Intl flights
Seattle to LaGuardia flights
Portland to Newark flights
Bellingham to Newark flights

Top airline flying from Seattle to Newark

Discover the top airline that operate flights from Seattle to Newark. 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 629,999 searches. Data last updated 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 308AverageC$ 497FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Deals for Seattle to Newark flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Newark for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Newark from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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.

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