SEA - EWR

$205 Find Cheap Flights from Seattle to Newark Liberty Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$317
Typical prices: $290-$512
United Airlines
Tue 10/2Fri 10/5
SEA - EWR • Non-stop
Cheapest one-way
$205
Typical prices: $170-$338
American Airlines
Fri 10/12
SEA - EWR • 1 stop
Nonstop flights
You can fly direct with Alaska Airlines and United Airlines. Average duration is 5h 22m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 86% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 13 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $308 (round-trip)
Shortest trip • 7h 37m (one-way)
Insights
Insights
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We hope you love your trip to Newark Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Seattle to Newark (SEA-EWR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Newark

Wed, Dec 2 - Sat, Dec 5
Alaska Airlines Logo
3:44 pm - 11:59 pmSEA  Seattle/Tacoma Intl-EWR Newark
5h 15mnonstop
Alaska Airlines Logo
5:30 pm - 9:00 pmEWR  Newark-SEA Seattle/Tacoma Intl
6h 30mnonstop
$312Alaska Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
10:48 pm - 7:00 amSEA  Seattle/Tacoma Intl-EWR Newark
5h 12mnonstop
United Airlines Logo
6:44 pm - 9:55 pmEWR  Newark-SEA Seattle/Tacoma Intl
6h 11mnonstop
$317United Airlines
Mon, Oct 19 - Thu, Oct 22
Alaska Airlines Logo
10:40 pm - 6:59 amSEA  Seattle/Tacoma Intl-EWR Newark
5h 19mnonstop
Alaska Airlines Logo
7:03 am - 10:15 amEWR  Newark-SEA Seattle/Tacoma Intl
6h 12mnonstop
$317Alaska Airlines
Mon, Oct 5 - Tue, Oct 6
United Airlines Logo
10:48 pm - 7:00 amSEA  Seattle/Tacoma Intl-EWR Newark
5h 12mnonstop
United Airlines Logo
6:44 pm - 9:55 pmEWR  Newark-SEA Seattle/Tacoma Intl
6h 11mnonstop
$317United Airlines
Mon, Oct 19 - Sat, Oct 24
Delta Logo
11:50 pm - 10:55 amSEA  Seattle/Tacoma Intl-EWR Newark
8h 05m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 12:30 pmEWR  Newark-SEA Seattle/Tacoma Intl
9h 30m1 stop Minneapolis St Paul
$337Delta
Sat, Oct 17 - Wed, Oct 21
Delta Logo
11:50 pm - 10:55 amSEA  Seattle/Tacoma Intl-EWR Newark
8h 05m1 stop Minneapolis St Paul
Delta Logo
1:21 pm - 7:04 pmEWR  Newark-SEA Seattle/Tacoma Intl
8h 43m1 stop Atlanta Hartsfield-Jackson
$337Delta
Mon, Oct 19 - Mon, Oct 26
American Airlines Logo
9:42 pm - 9:50 amSEA  Seattle/Tacoma Intl-EWR Newark
9h 08m1 stop Charlotte Douglas
American Airlines Logo
5:29 pm - 12:36 amEWR  Newark-SEA Seattle/Tacoma Intl
10h 07m1 stop Chicago O'Hare Intl
$357American Airlines
Tue, Oct 13 - Sat, Oct 17
American Airlines Logo
9:42 pm - 9:50 amSEA  Seattle/Tacoma Intl-EWR Newark
9h 08m1 stop Charlotte Douglas
American Airlines Logo
2:20 pm - 8:14 pmEWR  Newark-SEA Seattle/Tacoma Intl
8h 54m1 stop Chicago O'Hare Intl
$357American Airlines
Mon, Oct 5 - Tue, Oct 13
Frontier Logo
9:45 pm - 12:35 pmSEA  Seattle/Tacoma Intl-EWR Newark
35h 50m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth
Frontier Logo
10:29 pm - 8:58 amEWR  Newark-SEA Seattle/Tacoma Intl
37h 29m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$383Frontier
Mon, Oct 19 - Wed, Oct 21
Frontier Logo
9:16 pm - 9:28 pmSEA  Seattle/Tacoma Intl-EWR Newark
21h 12m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Frontier Logo
1:45 pm - 8:58 amEWR  Newark-SEA Seattle/Tacoma Intl
22h 13m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$384Frontier
Booking Insights

Price, demand and travel trends for Seattle to Newark Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Newark Airport with more confidence.

How much is a round-trip flight from Seattle to Newark Airport?

Round-trip flights from Seattle to Newark Airport start at $317. Prices are typical for this route right now, with typical round-trip fares ranging from $290 to $512. The lowest price found in the past 5 days was $317 on United Airlines.

What's the cheapest day of the week to fly from Seattle to Newark Airport?

Wednesday is the cheapest day of the week to fly from Seattle to Newark Airport, it is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Seattle to Newark Airport?

  • January is the cheapest month to fly from Seattle to Newark Airport at $302 round-trip.
  • July ($514) and June ($497) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to Newark Airport the cheapest?

Flights from Seattle to Newark Airport are cheapest 13 weeks before departure. Booking in this window typically costs about 34% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Seattle to Newark

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and EWR

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Seattle to Newark Airport flights

Low season

August

Cheapest flight

$205
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Seattle to Newark Airport

When to book flights from Seattle to Newark

Are your dates flexible? Find out the best times to travel from Seattle to Newark based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Newark Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Does Newark Liberty International Airport (EWR) have an airport hotel?

    If you’re looking for a place to get some sleep after your flight, you can book a stay at the Newark Liberty International Airport Marriott at EWR. The hotel is within airport grounds, just a short walk from all terminal buildings. You can also take the free shuttle the establishment offers, you’ll find courtesy phones at baggage claim to request this service.

  • Does Newark Liberty International Airport offer accessibility services?

    EWR is a fully accessible airport. The airport has tactile guide paths, Aira services, and braille signage for low-vision passengers traveling through EWR. For the hard of hearing, the airport has provided TDD telephones to request assistance and visual paging services. Passengers with reduced mobility will find access ramps and elevators for easy movement through the terminals. There are also accessible restrooms, moving walkways, reserved parking spots, fast lanes, and dedicated seating for an easy time at EWR.

  • Does Seattle-Tacoma International Airport offer family services?

    SEA has provided private nursing spaces dubbed Mother’s Rooms, where passengers with infants can comfortably feed their babies in private. The private spaces are carpeted and have comfortable seating, adjustable lighting, and power outlets. You’ll find these nursing lounges around gates A9, C10, D23, and N2. The airport has strollers available at Smarte Carte Storage in the baggage claim area. There is also a children’s play area with climbing structures and slides between the central terminal and A gates.

  • What are the transport options from Newark Liberty International Airport?

    The easiest way of getting downtown is with the AirTrain. The AirTrain connects all terminals and passengers can also connect to the NJ Transit and Amtrak trains. Go Airlink provides shuttle services from EWR 24/7. You can get your transport voucher from the ground transportation desk at EWR. The NJ Transit buses also serve the airport. Lines 28, 37, 62, 67, and 107 offer services from EWR to downtown and other hubs in New Jersey. Another Newark Airport Express bus offers services between EWR and downtown New York. Taxis are available in front of all terminal buildings and all are metered. If you wish to self-drive, you can find car rentals from the rental car center at EWR, accessible via the AirTrain.

  • Which airlines offer extra legroom and free seat selection on Seattle to Newark Airport flights?

    Among airlines operating Seattle to Newark Airport flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Seattle to Newark Airport?

    2 airlines operate flights between Seattle and Newark Airport. The airlines offering nonstop flights on this route include:

    • Alaska Airlines
    • United Airlines

  • Which airports can I use when flying from Seattle to Newark Airport?

    Flights from Seattle to Newark Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Newark (EWR).

  • Which airlines include bags at no extra cost on Seattle to Newark Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Seattle to Newark Airport?

    Four cabin classes are available on flights from Seattle to Newark Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Seattle to Newark Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $308 round-trip via Washington, D.C. Dulles Intl (IAD), compared to $396 for nonstop.

  • What is the standard checked-bag allowance on flights from Seattle to Newark Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Seattle to Newark Airport?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • Which airports do connecting flights from Seattle to Newark Airport pass through?

    One-stop flights from Seattle to Newark Airport most commonly connect through:

    • Portland (PDX) - 25% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 24% of one-stop connections
    • Charlotte Douglas (CLT) - 15% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 10% of one-stop connections

    Portland (PDX) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Newark Airport?

    Yes. Being flexible with your travel dates can save you up to 19% on the Seattle to Newark Airport route. Wednesday is the cheapest departure day at $362 round-trip on average, while Sunday is the most expensive at $446, a difference of $84. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Seattle to Newark Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Seattle to Newark Airport route, 14% of flights were delayed in the past 3 months, with delays averaging 2 hours 56 minutes.

  • How are flight departures from Seattle to Newark Airport spread across the day?

    Morning is the busiest departure period on Seattle to Newark Airport flights, with 51% of flights leaving in that window. Night departures account for 33%, afternoon flights for 16%, and evening flights for 0%.

  • What popular places can I visit in Newark Airport?

    Some of the most popular sights in Newark Airport are Prudential Center, New Jersey Performing Arts Center and Newark City Hall. These are among the most viewed places in Newark Airport on KAYAK.

  • What are the earliest and latest flights from Seattle to Newark Airport?

    These are the earliest and latest flight times available from Seattle to Newark Airport:

    • Earliest: departs at 6:00 am and lands at 11:22 am
    • Latest: departs at 11:43 pm and lands at 5:05 am.

    The flight takes about 5h 22m.

  • How expensive are last-minute Seattle to Newark Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 26% above the route average of $393. Book 13 weeks before departure for the lowest fares.

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

    A nonstop flight from Seattle to Newark Airport takes 5h 22m, covering 2,393 miles.

  • Do I need a passport to fly from Seattle to Newark Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Seattle to Newark Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $312 to $2,156. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Seattle to Newark Airport looking right now?

    One-way fares from Seattle to Newark Airport are currently lower than usual. Average one-way flight prices are about $208, which is 19% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Seattle to Newark Airport?

    Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Seattle to Newark Airport?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 7h 37m, compared with 8h 08m via Denver Intl (DEN) and 8h 21m via Chicago O'Hare Intl (ORD).

  • What is the time difference between Seattle and Newark Airport?

    Newark Airport is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Newark Airport (EWR)?

    Newark Airport (EWR) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
    · Ace
    · Budget
    · Alamo
    · Dollar
    · Hertz

  • How much should I expect to pay for a Seattle to Newark Airport flight?

    Round-trip flights from Seattle to Newark Airport range from $290 to $512, with an average of $393 over the past 12 months. Anything below $290 counts as a good deal.

  • Which airlines offer Wi-Fi on Seattle to Newark Airport flights?

    Alaska Airlines is the only airline on the Seattle to Newark Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Seattle to Newark Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $362 - about $84 less than Sunday (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 weeks before you fly. On this route, that window historically saves about 34% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Newark Airport trip for January. Fares historically average $302 round-trip in that month - typically $212 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 86% of United Airlines flights from Seattle to Newark Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 86%. When flights on this route do arrive late, the average delay is 2 hours 56 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Washington, D.C. Dulles Intl Airport (IAD) can be cheaper than flying direct. The cheapest layover option averages $308 round-trip on this route - about $88 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Newark Airport.
    - Hampton Inn by Hilton Newark Airport
    - Holiday Inn Newark International Airport By IHG
    - DoubleTree by Hilton Newark Airport
  • Seattle-Tacoma International Airport (SEA) is spread over four terminals and the airport has provided a train for easy inter-terminal transportation.
  • Pets are welcome at SEA. The airport has several pet relief areas, also known as pet potties. The outdoor pet potties are outside doors 2, 16, 26, and 33. The indoor regions are around concourse D, the central terminal, and the north and south satellite terminals.
  • Around 1,246 kg of carbon is emitted on flights from Seattle to Newark. You can fly more sustainably with Alaska airlines which offers a flight that emits 54% less carbon per passenger.
  • Unwind with a massage from SEA Terminal Gateway Spa in the central terminal after security on level 5 around gate A5.
  • US Bank runs a full-service branch at SEA before security in the main terminal between checkpoints 3 and 4. You can access banking and currency exchange services here.

Prefer to fly direct from Seattle to Newark Liberty Airport?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Newark Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Newark

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more direct flights

Direct returns

Newark to Seattle/Tacoma Intl

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more direct flights

More options for your flight from Seattle to Newark

Complete your trip to Newark with a hotel stay or car rental