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Cheap flights from Newark Airport to Seattle from C$ 141

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 21/2. 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

Enter your travel dates to find the best prices.
United Airlines Logo
8:28 p.m. - 11:51 p.m.
EWR
-
SEA
6h 23mdirect
United Airlines Logo
7:00 a.m. - 7:25 p.m.
SEA
-
EWR
9h 25m1 stop
C$ 299United Airlines
Sat, 14 Feb - Wed, 4 Mar
Alaska Airlines Logo
6:08 p.m. - 9:28 p.m.
EWR
-
SEA
6h 20mdirect
Alaska Airlines Logo
8:15 p.m. - 4:22 p.m.
SEA
-
EWR
17h 07m1 stop
C$ 300Alaska Airlines
Sun, 18 Jan - Wed, 21 Jan
Alaska Airlines Logo
6:08 p.m. - 9:28 p.m.
EWR
-
SEA
6h 20mdirect
Alaska Airlines Logo
10:48 p.m. - 6:59 p.m.
SEA
-
EWR
17h 11m1 stop
C$ 304Alaska Airlines
Wed, 11 Feb - Wed, 18 Feb
Alaska Airlines Logo
5:30 p.m. - 8:55 p.m.
EWR
-
SEA
6h 25mdirect
Alaska Airlines Logo
7:45 a.m. - 6:59 p.m.
SEA
-
EWR
8h 14m1 stop
C$ 306Alaska Airlines
Thu, 19 Feb - Tue, 24 Feb
Alaska Airlines Logo
5:30 p.m. - 7:04 a.m.
EWR
-
SEA
16h 34m1 stop
Alaska Airlines Logo
10:48 p.m. - 6:59 p.m.
SEA
-
EWR
17h 11m1 stop
C$ 310Alaska Airlines
Sat, 14 Feb - Thu, 19 Feb
United Airlines Logo
6:00 a.m. - 11:32 a.m.
EWR
-
SEA
8h 32m1 stop
United Airlines Logo
11:45 p.m. - 7:59 a.m.
SEA
-
EWR
5h 14mdirect
C$ 311United Airlines
Wed, 7 Jan - Mon, 12 Jan
United Airlines Logo
8:30 p.m. - 11:46 p.m.
EWR
-
SEA
6h 16mdirect
United Airlines Logo
7:00 a.m. - 7:55 p.m.
SEA
-
EWR
9h 55m1 stop
C$ 314United Airlines
Wed, 1 Apr - Mon, 20 Apr
Alaska Airlines Logo
4:36 p.m. - 7:55 p.m.
EWR
-
SEA
6h 19mdirect
Alaska Airlines Logo
8:15 p.m. - 4:22 p.m.
SEA
-
EWR
17h 07m1 stop
C$ 318Alaska Airlines
Fri, 6 Feb - Mon, 9 Feb
Alaska Airlines Logo
6:08 p.m. - 9:28 p.m.
EWR
-
SEA
6h 20mdirect
Alaska Airlines Logo
5:59 p.m. - 3:29 p.m.
SEA
-
EWR
18h 30m1 stop
C$ 321Alaska Airlines
Mon, 12 Jan - Sat, 24 Jan
Delta Logo
5:30 p.m. - 11:22 p.m.
EWR
-
SEA
8h 52m1 stop
Delta Logo
11:10 p.m. - 12:09 p.m.
SEA
-
EWR
9h 59m1 stop
C$ 325Delta
Mon, 12 Jan - Tue, 20 Jan

Alaska Airlines flights from Newark Airport to Seattle

Our best Alaska Airlines deals on Newark Airport to Seattle flight tickets
Alaska Airlines
18 Jan
EWR6:08 p.m.Newark
6h 20m
SEA9:28 p.m.Seattle/Tacoma Intl
21 Jan
SEA8:15 p.m.Seattle/Tacoma Intl
17h 07m
1 stop
EWR4:22 p.m.Newark
C$ 300
Find similar
Alaska Airlines
15 Feb
EWR7:29 p.m.Newark
6h 25m
SEA10:54 p.m.Seattle/Tacoma Intl
3 Mar
SEA7:45 a.m.Seattle/Tacoma Intl
8h 14m
1 stop
EWR6:59 p.m.Newark
C$ 306
Find similar
Alaska Airlines
14 Feb
EWR5:30 p.m.Newark
16h 34m
1 stop
SEA7:04 a.m.Seattle/Tacoma Intl
19 Feb
SEA10:48 p.m.Seattle/Tacoma Intl
17h 11m
1 stop
EWR6:59 p.m.Newark
C$ 310
Find similar

United Airlines flights from Newark Airport to Seattle

Our best United Airlines deals on Newark Airport to Seattle flight tickets
United Airlines
14 Feb
EWR8:28 p.m.Newark
6h 23m
SEA11:51 p.m.Seattle/Tacoma Intl
4 Mar
SEA7:00 a.m.Seattle/Tacoma Intl
9h 25m
1 stop
EWR7:25 p.m.Newark
C$ 299
Find similar
United Airlines
12 Jan
EWR4:29 p.m.Newark
9h 14m
1 stop
SEA10:43 p.m.Seattle/Tacoma Intl
14 Jan
SEA7:00 a.m.Seattle/Tacoma Intl
5h 19m
EWR3:19 p.m.Newark
C$ 304
Find similar
United Airlines
8 Jan
EWR11:34 a.m.Newark
9h 52m
1 stop
SEA6:26 p.m.Seattle/Tacoma Intl
12 Jan
SEA7:00 a.m.Seattle/Tacoma Intl
5h 19m
EWR3:19 p.m.Newark
C$ 311
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 24 December 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

Sat 14/2

8:28 p.m.-11:51 p.m.

Nonstop6h 23m

Seattle/Tacoma Intl

Wed 4/3

7:00 a.m.-7:25 p.m.

1 stop9h 25m

C$ 299

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 18/1

6:08 p.m.-9:28 p.m.

Nonstop6h 20m

Seattle/Tacoma Intl

Wed 21/1

8:15 p.m.-4:22 p.m.

1 stop17h 07m

C$ 300

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 11/2

6:08 p.m.-9:28 p.m.

Nonstop6h 20m

Seattle/Tacoma Intl

Wed 18/2

10:48 p.m.-6:59 p.m.

1 stop17h 11m

C$ 304

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 19/2

5:30 p.m.-8:55 p.m.

Nonstop6h 25m

Seattle/Tacoma Intl

Tue 24/2

7:45 a.m.-6:59 p.m.

1 stop8h 14m

C$ 306

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 14/2

5:30 p.m.-7:04 a.m.

1 stop16h 34m

Seattle/Tacoma Intl

Thu 19/2

10:48 p.m.-6:59 p.m.

1 stop17h 11m

C$ 310

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 7/1

6:00 a.m.-11:32 a.m.

1 stop8h 32m

Seattle/Tacoma Intl

Mon 12/1

11:45 p.m.-7:59 a.m.

Nonstop5h 14m

C$ 311

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 1/4

8:30 p.m.-11:46 p.m.

Nonstop6h 16m

Seattle/Tacoma Intl

Mon 20/4

7:00 a.m.-7:55 p.m.

1 stop9h 55m

C$ 314

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 6/2

4:36 p.m.-7:55 p.m.

Nonstop6h 19m

Seattle/Tacoma Intl

Mon 9/2

8:15 p.m.-4:22 p.m.

1 stop17h 07m

C$ 318

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 12/1

6:08 p.m.-9:28 p.m.

Nonstop6h 20m

Seattle/Tacoma Intl

Sat 24/1

5:59 p.m.-3:29 p.m.

1 stop18h 30m

C$ 321

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 12/1

5:30 p.m.-11:22 p.m.

1 stop8h 52m

Seattle/Tacoma Intl

Tue 20/1

11:10 p.m.-12:09 p.m.

1 stop9h 59m

C$ 325

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 October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 443.

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$ 495. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 867. 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$ 577. Flights in the morning are often more expensive with an average ticket price of C$ 745.

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$ 562 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$ 492 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 December 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$ 234

Fastest flight time

6h 20m

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$ 234. The best round-trip flight deal from Newark Airport to Seattle found on momondo in the last 72 hours is C$ 712.
The fastest flight from Newark Airport to Seattle takes 6h 20m
Direct flights go from Newark Airport to Seattle every day.
There is 1 airport in Seattle. From Newark Airport there are direct flights to 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 6h 20m.

  • 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 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?

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
Tacoma
Marysville
Redmond
SeaTac
Kirkland
Tukwila
Olympia
Ocean Shores
Bainbridge Island
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
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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