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Cheap flights from Seattle to Newark Airport from C$ 137

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Newark are usually found in September or January, booked 40 days in advance, depart on a Friday or Sunday and return on a Wednesday

Cheap 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 16 September 2025.

Round-trip from

C$ 272

One-way from

C$ 137

Popular in

December

Cheapest in

September

Average price

C$ 479

Good round-trip deal

C$ 301 or less

Good one-way deal

C$ 521 or less
Alaska Airlines
  • Alaska Airlines
  • 28/10-8/11
  • Nonstop
  • 11h 35m total
  • Seattle to Newark
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Hawaiian Airlines
  • Hawaiian Airlines
  • 1/10
  • Nonstop
  • 5h 19m total
  • Seattle to Newark
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Newark.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Newark.
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Find flight deals from Seattle to Newark

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 16 September 2025.

Tue 28/109:34 p.m.SEA - EWR
Nonstop5h 25mAlaska Airlines
Sat 8/117:30 a.m.EWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 16/9C$ 272
Wed 29/108:48 a.m.SEA - EWR
Nonstop5h 18mHawaiian Airlines
Wed 29/107:29 p.m.EWR - SEA
Nonstop6h 21mHawaiian Airlines
Deal found 15/9C$ 278
Fri 10/106:00 a.m.SEA - EWR
Nonstop5h 23mUnited Airlines
Sun 19/107:15 a.m.EWR - SEA
Nonstop6h 02mUnited Airlines
Deal found 14/9C$ 279
Wed 1/108:30 a.m.SEA - EWR
1 stop8h 00mUnited Airlines
Sat 4/107:25 a.m.EWR - SEA
Nonstop6h 02mUnited Airlines
Deal found 15/9C$ 280
Wed 29/107:00 a.m.SEA - EWR
Nonstop5h 25mAlaska Airlines
Fri 14/117:30 a.m.EWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 16/9C$ 286
Tue 30/910:54 p.m.SEA - EWR
Nonstop5h 15mUnited Airlines
Tue 7/107:45 a.m.EWR - SEA
Nonstop6h 02mUnited Airlines
Deal found 15/9C$ 293
Tue 14/107:00 a.m.SEA - EWR
Nonstop5h 29mHawaiian Airlines
Sat 18/107:19 a.m.EWR - SEA
Nonstop6h 03mHawaiian Airlines
Deal found 15/9C$ 300
Fri 31/107:00 a.m.SEA - EWR
1 stop8h 29mUnited Airlines
Wed 5/117:23 p.m.EWR - SEA
Nonstop6h 18mUnited Airlines
Deal found 15/9C$ 304
Wed 1/108:19 a.m.SEA - EWR
Nonstop5h 29mAlaska Airlines
Wed 8/107:29 p.m.EWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 15/9C$ 314
Fri 3/101:12 p.m.SEA - EWR
1 stop7h 47mUnited Airlines
Mon 6/107:08 p.m.EWR - SEA
Nonstop6h 09mUnited Airlines
Deal found 15/9C$ 318

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 16 September 2025.
Use the filters below to find and compare flights from Seattle to Newark Airport that are best for you.

Fly from

Seattle

Fly to

Newark

Route

Depart

Return

Price

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 28/10

11:35 p.m.-7:43 a.m.

Nonstop5h 08m

Newark

Sat 1/11

7:55 a.m.-11:11 a.m.

Nonstop6h 16m

C$ 272

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 7/10

6:00 a.m.-2:23 p.m.

Nonstop5h 23m

Newark

Fri 17/10

7:45 a.m.-10:47 a.m.

Nonstop6h 02m

C$ 272

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 14/11

11:59 p.m.-10:25 a.m.

1 stop7h 26m

Newark

Mon 17/11

5:05 p.m.-11:10 p.m.

1 stop9h 05m

C$ 327

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 19/11

8:48 a.m.-5:06 p.m.

Nonstop5h 18m

Newark

Tue 25/11

7:08 a.m.-10:25 a.m.

Nonstop6h 17m

C$ 341

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 30/9

6:00 a.m.-6:00 p.m.

1 stop9h 00m

Newark

Wed 8/10

6:15 a.m.-10:45 a.m.

1 stop7h 30m

C$ 355

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 22/2

11:45 p.m.-7:54 a.m.

Nonstop5h 09m

Newark

Sat 28/2

6:00 a.m.-1:25 p.m.

1 stop10h 25m

C$ 369

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 2/12

8:10 p.m.-2:23 p.m.

1 stop15h 13m

Newark

Wed 10/12

7:14 a.m.-10:40 a.m.

Nonstop6h 26m

C$ 376

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 17/10

7:18 p.m.-5:58 a.m.

1 stop7h 40m

Newark

Sat 25/10

7:15 a.m.-12:47 p.m.

1 stop8h 32m

C$ 384

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 6/10

7:00 a.m.-3:29 p.m.

Nonstop5h 29m

Newark

Fri 30/1

4:10 p.m.-12:11 a.m.

1 stop11h 01m

C$ 384

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 5/2

9:25 a.m.-9:16 p.m.

1 stop8h 51m

Newark

Sun 8/2

7:50 p.m.-11:15 p.m.

Nonstop6h 25m

C$ 396

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 24 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Newark. Price data was last updated on 12 September 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Newark Airport, you should look to book at least 40 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, February is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of C$ 246). Flying from Seattle to Newark Airport in November is currently the most expensive (average of C$ 292). 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 16 September 2025.

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 31% on your trip compared to booking a flight in the morning.

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 16 September 2025.
Get a feel of what it's like to fly with Alaska Airlines,Hawaiian Airlines, andUnited 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
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 19 outbound flights to Newark per day. 3 airlines have flights to Newark from Seattle/Tacoma Intl on a regular basis.

  • How popular is this Seattle to Newark Airport flight route?

    Flights from Seattle/Tacoma Intl to Newark have been viewed 400 times in the past calendar month.

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

    Departing from Seattle to Newark Airport will take you 5h 08m. The distance from Seattle to Newark Airport is about 3851 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying 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$ 301 on this airline. Additional options worth looking into are Hawaiian Airlines and United Airlines, starting at C$ 348 and C$ 476 round-trip. These flights start at 49% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Newark Airport one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as C$ 137. However, be on the lookout for offers from Hawaiian Airlines and United Airlines, as they are both options that can get you from Seattle to Newark Airport for a low price.

  • 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 (77%), Alaska Airlines (73%), Air Tahiti Nui( 73%).

  • What are the cheapest flights from Seattle to Newark Airport?

    On average you can expect to pay C$ 482 for a flight from Seattle to Newark Airport. The cheapest flight overall is C$ 138 while the most popular route, (Seattle/Tacoma Intl - Newark) is currently priced at C$ 337.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of C$ 246). Flying from Seattle to Newark Airport in November is currently the most expensive (average of C$ 292). 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
Secaucus
Queens
Carlstadt
Carteret
Rahway
Saddle Brook
Bronx
South Plainfield
Englewood
Plainview
Fort Lee
New Brunswick
Hoboken
East Rutherford
Elizabeth
Roslyn
Yonkers
Stratford
Harrison
Bordentown

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 LaGuardia flights
Seattle to John F Kennedy Intl flights
Portland to Newark flights
Bellingham to Newark flights

Top 3 airlines flying from Seattle to Newark

Discover the top 3 airlines 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 301AverageC$ 478FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 348AverageC$ 603FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
United AirlinesCheapestC$ 476AverageC$ 589FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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