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Cheap flights from Newark Airport to Seattle from C$ 137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to Seattle departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Newark Airport to Seattle

Cheap round-trip flights

Hawaiian Airlines Logo
5:30 p.m. - 8:46 p.m.EWR-SEA
6h 16mdirect
Hawaiian Airlines Logo
9:34 p.m. - 5:59 a.m.SEA-EWR
5h 25mdirect
C$ 273Hawaiian Airlines
Find Deal
Thu, 6 Nov - Sun, 9 Nov
United Airlines Logo
7:08 p.m. - 10:17 p.m.EWR-SEA
6h 09mdirect
United Airlines Logo
6:00 a.m. - 2:23 p.m.SEA-EWR
5h 23mdirect
C$ 280United Airlines
Find Deal
Tue, 30 Sep - Fri, 3 Oct
United Airlines Logo
7:08 p.m. - 10:17 p.m.EWR-SEA
6h 09mdirect
United Airlines Logo
8:30 a.m. - 8:00 p.m.SEA-EWR
8h 30m1 stop
C$ 281United Airlines
Find Deal
Wed, 1 Oct - Sat, 4 Oct
United Airlines Logo
7:08 p.m. - 10:17 p.m.EWR-SEA
6h 09mdirect
United Airlines Logo
6:00 a.m. - 2:23 p.m.SEA-EWR
5h 23mdirect
C$ 285United Airlines
Find Deal
Mon, 6 Oct - Fri, 10 Oct
Hawaiian Airlines Logo
4:29 p.m. - 7:34 p.m.EWR-SEA
6h 05mdirect
Hawaiian Airlines Logo
9:34 p.m. - 5:59 a.m.SEA-EWR
5h 25mdirect
C$ 287Hawaiian Airlines
Find Deal
Fri, 17 Oct - Sun, 26 Oct
United Airlines Logo
7:08 p.m. - 10:17 p.m.EWR-SEA
6h 09mdirect
United Airlines Logo
6:00 a.m. - 2:23 p.m.SEA-EWR
5h 23mdirect
C$ 293United Airlines
Find Deal
Tue, 30 Sep - Tue, 7 Oct
Alaska Airlines Logo
5:30 p.m. - 8:35 p.m.EWR-SEA
6h 05mdirect
Alaska Airlines Logo
9:30 p.m. - 5:59 a.m.SEA-EWR
5h 29mdirect
C$ 300Alaska Airlines
Find Deal
Fri, 3 Oct - Sat, 25 Oct
Alaska Airlines Logo
7:29 p.m. - 10:39 p.m.EWR-SEA
6h 10mdirect
Alaska Airlines Logo
7:00 a.m. - 3:29 p.m.SEA-EWR
5h 29mdirect
C$ 314Alaska Airlines
Find Deal
Wed, 1 Oct - Sun, 19 Oct
Delta Logo
6:55 p.m. - 11:59 p.m.EWR-SEA
8h 04m1 stop
Delta Logo
1:40 p.m. - 12:59 a.m.SEA-EWR
8h 19m1 stop
C$ 328Delta
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Delta Logo
6:00 a.m. - 10:33 a.m.EWR-SEA
7h 33m1 stop
Delta Logo
7:18 p.m. - 5:58 a.m.SEA-EWR
7h 40m1 stop
C$ 385Delta
Find Deal
Wed, 15 Oct - Fri, 17 Oct

Hawaiian Airlines flights from Newark Airport to Seattle

Our best Hawaiian Airlines deals on Newark Airport to Seattle flight tickets
Hawaiian Airlines
6 Nov
EWR5:30 p.m.Newark
6h 16m
SEA8:46 p.m.Seattle/Tacoma Intl
9 Nov
SEA9:34 p.m.Seattle/Tacoma Intl
5h 25m
EWR5:59 a.m.Newark
C$ 273
Find similar
Hawaiian Airlines
17 Oct
EWR4:29 p.m.Newark
6h 05m
SEA7:34 p.m.Seattle/Tacoma Intl
26 Oct
SEA9:34 p.m.Seattle/Tacoma Intl
5h 25m
EWR5:59 a.m.Newark
C$ 287
Find similar
Hawaiian Airlines
27 Sep
EWR7:19 a.m.Newark
6h 01m
SEA10:20 a.m.Seattle/Tacoma Intl
30 Sep
SEA9:33 p.m.Seattle/Tacoma Intl
5h 26m
EWR5:59 a.m.Newark
C$ 321
Find similar

Delta flights from Newark Airport to Seattle

Our best Delta deals on Newark Airport to Seattle flight tickets
Delta
24 Oct
EWR6:55 p.m.Newark
8h 04m
1 stop
SEA11:59 p.m.Seattle/Tacoma Intl
31 Oct
SEA1:40 p.m.Seattle/Tacoma Intl
8h 19m
1 stop
EWR12:59 a.m.Newark
C$ 328
Find similar
Delta
15 Oct
EWR6:00 a.m.Newark
7h 33m
1 stop
SEA10:33 a.m.Seattle/Tacoma Intl
17 Oct
SEA7:18 p.m.Seattle/Tacoma Intl
7h 40m
1 stop
EWR5:58 a.m.Newark
C$ 385
Find similar
Delta
22 Sep
EWR10:40 a.m.Newark
11h 11m
1 stop
SEA6:51 p.m.Seattle/Tacoma Intl
29 Sep
SEA7:30 p.m.Seattle/Tacoma Intl
7h 35m
1 stop
EWR6:05 a.m.Newark
C$ 480
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport 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, momondo users made 96,600 searches. Data last updated 15 September 2025.
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

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 6/11

5:30 p.m.-8:46 p.m.

Nonstop6h 16m

Seattle/Tacoma Intl

Sun 9/11

9:34 p.m.-5:59 a.m.

Nonstop5h 25m

C$ 273

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 30/9

7:08 p.m.-10:17 p.m.

Nonstop6h 09m

Seattle/Tacoma Intl

Fri 3/10

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

Nonstop5h 23m

C$ 280

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 1/10

7:08 p.m.-10:17 p.m.

Nonstop6h 09m

Seattle/Tacoma Intl

Sat 4/10

8:30 a.m.-8:00 p.m.

1 stop8h 30m

C$ 281

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 6/10

7:08 p.m.-10:17 p.m.

Nonstop6h 09m

Seattle/Tacoma Intl

Fri 10/10

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

Nonstop5h 23m

C$ 285

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 17/10

4:29 p.m.-7:34 p.m.

Nonstop6h 05m

Seattle/Tacoma Intl

Sun 26/10

9:34 p.m.-5:59 a.m.

Nonstop5h 25m

C$ 287

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 30/9

7:08 p.m.-10:17 p.m.

Nonstop6h 09m

Seattle/Tacoma Intl

Tue 7/10

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

Nonstop5h 23m

C$ 293

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 3/10

5:30 p.m.-8:35 p.m.

Nonstop6h 05m

Seattle/Tacoma Intl

Sat 25/10

9:30 p.m.-5:59 a.m.

Nonstop5h 29m

C$ 300

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 1/10

7:29 p.m.-10:39 p.m.

Nonstop6h 10m

Seattle/Tacoma Intl

Sun 19/10

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

Nonstop5h 29m

C$ 314

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 24/10

6:55 p.m.-11:59 p.m.

1 stop8h 04m

Seattle/Tacoma Intl

Fri 31/10

1:40 p.m.-12:59 a.m.

1 stop8h 19m

C$ 328

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 15/10

6:00 a.m.-10:33 a.m.

1 stop7h 33m

Seattle/Tacoma Intl

Fri 17/10

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

1 stop7h 40m

C$ 385

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Newark Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 466.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Tuesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 429. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 798. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Newark Airport to Seattle during this time can be as low as C$ 582. Flights in the morning are often more expensive with an average ticket price of C$ 752.

What is the cheapest Newark to Seattle/Tacoma Intl flight route?

Fly from Newark to Seattle/Tacoma Intl for the best Newark - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 589 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Newark Airport for as low as C$ 502 on momondo.

What cabin class options are available on Newark to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Newark to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Newark Airport to Seattle flights?

No. A direct flight is the cheapest option for a flight between Newark Airport to Seattle.

How have Newark Airport to Seattle flight prices changed over time?

As of September 2025, prices for Newark Airport to Seattle flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from Newark Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Newark Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Newark Airport to Seattle (EWR to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newark Airport to Seattle

Best price found

C$ 206

Fastest flight time

5h 58m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Newark Airport in the past 72 hours is C$ 206. The best round-trip flight deal from Newark Airport to Seattle found on momondo in the last 72 hours is C$ 253.
The fastest flight from Newark Airport to Seattle takes 5h 58m
Direct flights go from Newark Airport to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Newark to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 3851.5 km away from Newark. A reasonable flight in good conditions will take 5h 58m.

  • When did momondo last update prices for flights from Newark Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Newark Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Newark Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Newark Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Newark Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Newark Airport to Seattle?

  • What is the most popular airline from Newark Airport to Seattle?

Best airlines flying from Newark Airport to Seattle

Compare and see reviews for airlines that fly from Newark Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom C$ 501Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Newark Airport to Seattle

    Alaska Airlines flies from Newark Airport to Seattle around 8 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Newark Airport to Seattle in the last 72 hours was C$ 362 (round-trip), much lower than the average airfare cost of C$ 577 for Alaska Airlines flights on this route.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
Marysville
Tacoma
SeaTac
Kirkland
Redmond
Olympia
Ocean Shores
Shoreline
Ellensburg
Tukwila
Gig Harbor
Renton
Mukilteo
Cle Elum
Poulsbo
Puyallup
Federal Way
Kent

Why use momondo?

Why should I use momondo to find a flight deal from New York to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New York to Seattle . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New York to Seattle with flexible booking policies on momondo?

All flight searches from New York to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New York to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from New York to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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