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Cheap flights from Newark Airport to Seattle from C$ 149

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 17/3. 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.
Alaska Airlines Logo
9:00 a.m. - 12:29 p.m.
EWR
-
SEA
6h 29mdirect
Alaska Airlines Logo
3:11 p.m. - 11:29 p.m.
SEA
-
EWR
5h 18mdirect
C$ 290Alaska Airlines
Wed, 11 Mar - Wed, 11 Mar
Alaska Airlines Logo
4:29 p.m. - 6:55 p.m.
EWR
-
SEA
29h 26m
1 stop
Alaska Airlines Logo
10:45 p.m. - 6:59 a.m.
SEA
-
EWR
5h 14mdirect
C$ 295Alaska Airlines
Tue, 10 Mar - Wed, 11 Mar
United Airlines Logo
8:28 p.m. - 11:51 p.m.
EWR
-
SEA
6h 23mdirect
United Airlines Logo
12:25 p.m. - 8:44 p.m.
SEA
-
EWR
5h 19mdirect
C$ 296United Airlines
Tue, 3 Mar - Wed, 11 Mar
Alaska Airlines Logo
7:29 p.m. - 10:54 p.m.
EWR
-
SEA
6h 25mdirect
Alaska Airlines Logo
10:45 p.m. - 6:59 a.m.
SEA
-
EWR
5h 14mdirect
C$ 298Alaska Airlines
Sat, 14 Mar - Mon, 16 Mar
Alaska Airlines Logo
5:25 p.m. - 8:43 p.m.
EWR
-
SEA
6h 18mdirect
Alaska Airlines Logo
6:00 a.m. - 2:21 p.m.
SEA
-
EWR
5h 21mdirect
C$ 299Alaska Airlines
Tue, 16 Jun - Wed, 1 Jul
United Airlines Logo
8:28 p.m. - 11:51 p.m.
EWR
-
SEA
6h 23mdirect
United Airlines Logo
5:20 p.m. - 7:15 a.m.
SEA
-
EWR
10h 55m
1 stop
C$ 305United Airlines
Tue, 3 Mar - Sat, 7 Mar
United Airlines Logo
7:54 a.m. - 11:12 a.m.
EWR
-
SEA
6h 18mdirect
United Airlines Logo
5:20 p.m. - 7:15 a.m.
SEA
-
EWR
10h 55m
1 stop
C$ 307United Airlines
Sun, 1 Mar - Mon, 9 Mar
United Airlines Logo
12:00 p.m. - 6:26 p.m.
EWR
-
SEA
9h 26m
1 stop
United Airlines Logo
11:35 p.m. - 7:44 a.m.
SEA
-
EWR
5h 09mdirect
C$ 310United Airlines
Tue, 24 Feb - Tue, 24 Feb
United Airlines Logo
4:45 p.m. - 10:43 p.m.
EWR
-
SEA
8h 58m
1 stop
United Airlines Logo
12:43 p.m. - 9:00 p.m.
SEA
-
EWR
5h 17mdirect
C$ 311United Airlines
Tue, 24 Feb - Thu, 26 Feb
United Airlines Logo
3:15 p.m. - 10:39 p.m.
EWR
-
SEA
10h 24m
1 stop
United Airlines Logo
11:05 p.m. - 7:26 a.m.
SEA
-
EWR
5h 21mdirect
C$ 313United Airlines
Fri, 24 Apr - Sun, 26 Apr

Alaska Airlines flights from Newark Airport to Seattle

Our best Alaska Airlines deals on Newark Airport to Seattle flight tickets
Alaska Airlines
11 Mar
EWR9:00 a.m.Newark
6h 29m
SEA12:29 p.m.Seattle/Tacoma Intl
11 Mar
SEA3:11 p.m.Seattle/Tacoma Intl
5h 18m
EWR11:29 p.m.Newark
C$ 290
Alaska Airlines
10 Mar
EWR4:29 p.m.Newark
29h 26m
1 stop
SEA6:55 p.m.Seattle/Tacoma Intl
11 Mar
SEA10:45 p.m.Seattle/Tacoma Intl
5h 14m
EWR6:59 a.m.Newark
C$ 295
Alaska Airlines
14 Mar
EWR7:29 p.m.Newark
6h 25m
SEA10:54 p.m.Seattle/Tacoma Intl
16 Mar
SEA10:45 p.m.Seattle/Tacoma Intl
5h 14m
EWR6:59 a.m.Newark
C$ 298

United Airlines flights from Newark Airport to Seattle

Our best United Airlines deals on Newark Airport to Seattle flight tickets
United Airlines
3 Mar
EWR8:28 p.m.Newark
6h 23m
SEA11:51 p.m.Seattle/Tacoma Intl
7 Mar
SEA8:50 p.m.Seattle/Tacoma Intl
5h 09m
EWR4:59 a.m.Newark
C$ 296
United Airlines
3 Mar
EWR7:54 a.m.Newark
6h 20m
SEA11:14 a.m.Seattle/Tacoma Intl
10 Mar
SEA5:20 p.m.Seattle/Tacoma Intl
10h 55m
1 stop
EWR7:15 a.m.Newark
C$ 305
United Airlines
1 Mar
EWR7:54 a.m.Newark
6h 18m
SEA11:12 a.m.Seattle/Tacoma Intl
9 Mar
SEA5:20 p.m.Seattle/Tacoma Intl
10h 55m
1 stop
EWR7:15 a.m.Newark
C$ 307

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 4 February 2026.
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

Wed 11/3

9:00 a.m.-12:29 p.m.

Nonstop6h 29m

Seattle/Tacoma Intl

Wed 11/3

3:11 p.m.-11:29 p.m.

Nonstop5h 18m

C$ 290

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 10/3

4:29 p.m.-6:55 p.m.

1 stop29h 26m

Seattle/Tacoma Intl

Wed 11/3

10:45 p.m.-6:59 a.m.

Nonstop5h 14m

C$ 295

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 3/3

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

Nonstop6h 23m

Seattle/Tacoma Intl

Wed 11/3

12:25 p.m.-8:44 p.m.

Nonstop5h 19m

C$ 296

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 14/3

7:29 p.m.-10:54 p.m.

Nonstop6h 25m

Seattle/Tacoma Intl

Mon 16/3

10:45 p.m.-6:59 a.m.

Nonstop5h 14m

C$ 298

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 16/6

5:25 p.m.-8:43 p.m.

Nonstop6h 18m

Seattle/Tacoma Intl

Wed 1/7

6:00 a.m.-2:21 p.m.

Nonstop5h 21m

C$ 299

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 3/3

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

Nonstop6h 23m

Seattle/Tacoma Intl

Sat 7/3

5:20 p.m.-7:15 a.m.

1 stop10h 55m

C$ 305

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 1/3

7:54 a.m.-11:12 a.m.

Nonstop6h 18m

Seattle/Tacoma Intl

Mon 9/3

5:20 p.m.-7:15 a.m.

1 stop10h 55m

C$ 307

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 24/2

12:00 p.m.-6:26 p.m.

1 stop9h 26m

Seattle/Tacoma Intl

Tue 24/2

11:35 p.m.-7:44 a.m.

Nonstop5h 09m

C$ 310

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 24/2

4:45 p.m.-10:43 p.m.

1 stop8h 58m

Seattle/Tacoma Intl

Thu 26/2

12:43 p.m.-9:00 p.m.

Nonstop5h 17m

C$ 311

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 24/4

3:15 p.m.-10:39 p.m.

1 stop10h 24m

Seattle/Tacoma Intl

Sun 26/4

11:05 p.m.-7:26 a.m.

Nonstop5h 21m

C$ 313

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 February is also cheap. Prices for this month can be found on momondo for an average of C$ 423.

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$ 493. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 849. 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$ 569. Flights in the morning are often more expensive with an average ticket price of C$ 742.

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$ 543 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$ 447 on momondo.

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

There are 4 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 February 2026, prices for Newark Airport to Seattle flights are approximately 11% 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$ 863

Fastest flight time

6h 21m

Direct flights

Every day

Airports in Seattle

1 airport
The best flight deal from Newark Airport to Seattle found on momondo in the last 72 hours is C$ 863
The fastest flight from Newark Airport to Seattle takes 6h 21m
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 21m.

  • 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$ 299Free CancellationRating
8.0
11,839 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Newark Airport to Seattle

    Alaska Airlines flies from Newark Airport to Seattle around 2 times per week, with 11,839 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$ 299 (round-trip), much lower than the average airfare cost of C$ 788 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
Lynnwood
Leavenworth
Marysville
SeaTac
Tacoma
Redmond
Kirkland
Tukwila
Olympia
Ocean Shores
Bainbridge Island
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
Puyallup
Kent
Edmonds

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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