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Cheap flights from Newark Airport to Seattle from C$ 211

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in February or October, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Newark to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Seattle (SEA). 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 12 June 2025.

Round-trip from

C$ 369

One-way from

C$ 211

Popular in

December

Cheapest in

February

Average price

C$ 722
United Airlines
  • United Airlines
  • 4/7-12/7
  • Nonstop
  • 11h 32m total
  • Newark to Seattle
Alaska Airlines
  • Alaska Airlines
  • 26/7
  • 1 total stop
  • 16h 21m total
  • Newark to Seattle
Highest demand for flights based on searches. 3% potential increase in price (C$ 30 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Newark to Seattle

Cheapest flights from Newark to Seattle
Explore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Fri 4/76:10 p.m.EWR - SEA
Nonstop6h 18mUnited Airlines
Sat 12/710:46 p.m.SEA - EWR
Nonstop5h 14mUnited Airlines
Deal found 12/6C$ 369
Mon 25/87:59 p.m.EWR - SEA
1 stop15h 54mAlaska Airlines
Sat 30/87:59 p.m.SEA - EWR
1 stop16h 36mAlaska Airlines
Deal found 10/6C$ 371
Wed 13/81:00 p.m.EWR - SEA
1 stop10h 10mDelta
Fri 22/87:30 p.m.SEA - EWR
1 stop7h 50mDelta
Deal found 11/6C$ 394
Tue 26/85:30 p.m.EWR - SEA
Nonstop6h 05mHawaiian Airlines
Tue 2/97:56 a.m.SEA - EWR
1 stop8h 03mHawaiian Airlines
Deal found 11/6C$ 402
Thu 9/1011:48 a.m.EWR - SEA
1 stop8h 01mSun Country Air
Mon 13/106:34 p.m.SEA - EWR
1 stop13h 09mSun Country Air
Deal found 10/6C$ 444
Fri 4/75:30 p.m.EWR - SEA
Nonstop6h 14mMultiple Airlines
Mon 7/711:10 p.m.SEA - EWR
2 stops21h 00mMultiple Airlines
Deal found 10/6C$ 555

Cheapflights Fare Finder

Customize your flight search to find flights from Newark 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, Cheapflights users made 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Newark Airport to Seattle that are best for you.

Fly from

Newark

Fly to

Seattle

Route

Depart

Return

Price

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 4/7

6:10 p.m.-9:28 p.m.

Nonstop6h 18m

Seattle/Tacoma Intl

Sat 12/7

10:46 p.m.-7:00 a.m.

Nonstop5h 14m

C$ 369

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 25/8

7:59 p.m.-8:53 a.m.

1 stop15h 54m

Seattle/Tacoma Intl

Sat 30/8

7:59 p.m.-3:35 p.m.

1 stop16h 36m

C$ 371

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 13/8

1:00 p.m.-8:10 p.m.

1 stop10h 10m

Seattle/Tacoma Intl

Fri 22/8

7:30 p.m.-6:20 a.m.

1 stop7h 50m

C$ 394

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 26/8

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

Nonstop6h 05m

Seattle/Tacoma Intl

Tue 2/9

7:56 a.m.-6:59 p.m.

1 stop8h 03m

C$ 402

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 9/10

11:48 a.m.-4:49 p.m.

1 stop8h 01m

Seattle/Tacoma Intl

Mon 13/10

6:34 p.m.-10:43 a.m.

1 stop13h 09m

C$ 444

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 4/7

5:30 p.m.-8:44 p.m.

Nonstop6h 14m

Seattle/Tacoma Intl

Mon 7/7

11:10 p.m.-11:10 p.m.

2 stops21h 00m

C$ 555

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 26/7

7:29 p.m.-8:50 a.m.

1 stop16h 21m

C$ 211

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 25/7

4:34 p.m.-11:44 p.m.

1 stop10h 10m

C$ 212

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 30/8

6:45 p.m.-9:56 p.m.

Nonstop6h 11m

C$ 217

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 9/10

11:48 a.m.-4:49 p.m.

1 stop8h 01m

C$ 230

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 12 results
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Best time to book a flight from Newark to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Newark 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 Newark Airport to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Newark to Seattle. Price data was last updated on 9 June 2025.

The price you pay for your flight from Newark Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Newark Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of C$ 261). Flying from Newark Airport to Seattle in December is currently the most expensive (average of C$ 353). 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 EWR to SEA?

Find hourly flight availability from Newark to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

It’s optimal to fly from Newark Airport to Seattle in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Newark Airport to Seattle

Explore weekly flight availability from Newark to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2025.

The most flights from EWR to SEA are scheduled on a Thursday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 12 June 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from New York to Seattle have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Newark to Seattle. 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 into for flights to Seattle from Newark?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly into when you book flights from Newark to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from Newark on a regular basis. Booking flights from Newark to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 11 inbound flights from Newark per day.

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

  • What are the cheapest airlines flying from Newark Airport to Seattle round-trip?

    Flying on United Airlines is currently your cheapest option to Seattle, with prices starting at C$ 369. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Hawaiian Airlines, with the lowest prices starting at C$ 371 and C$ 377, respectively. These flights start at 38% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at C$ 211. Hawaiian Airlines flights start at C$ 212 while deals on United Airlines start at C$ 217 one-way.

  • What are the most reliable airlines from Newark Airport to Seattle?

    Before booking your flight to Seattle from Newark Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (83%), American Airlines (71%), Japan Airlines( 71%).

  • Can I find deals for flights from Newark to Seattle that include hotel bookings?

    Yes. In addition to deals on Newark to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Seattle.

  • Can I find deals for business class flights from Newark to Seattle?

    Yes. Cheapflights offers flight deals from Newark to Seattle 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 Newark Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of C$ 261). Flying from Newark Airport to Seattle in December is currently the most expensive (average of C$ 353). 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
Leavenworth
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Renton
Olympia
Lynnwood

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Alternative routes for Newark to Seattle

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How does Cheapflights help users find flights from Newark to Seattle?

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

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

Certainly. Search results for flights to Seattle from Newark 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 Newark to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Newark today and book when prices fit your budget.

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