The cheapest times to fly from SEA to EWR are
- January 1st to March 11th
- April 16th to May 6th
- September 3rd to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to EWR is late January. Prices can be as high as $946 for Sunday flights during mid June, or as low as $275 for Tuesday flights around late January.
When to Fly to Newark
Flying from Seattle, WA (SEA) to Newark, NJ (EWR) will usually cost between $280 to $514 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $283. Due to high demand the most expensive time to fly is mid June, with an average price of $507. Planning your trip to low-cost times can easily save you $224 on economy flights and even more on first-class flights. Generally, any price below $352 can be considered a good price for a round-trip SEA to EWR flight.
See below for a graph of average weekly prices for the SEA to EWR route. All prices are for round-trip tickets in USD.
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Compared to other flights, the SEA to EWR flight is much cheaper than the average and costs much less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.09, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $116 (27%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $310. Return trip prices are from the EWR to SEA flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from SEA to EWR can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 5 hour 18 minutes may be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SEA to EWR while comparing.
- 21 miles (34 km) away from EWR
- Usually 13.51% less expensive than EWR
- Nonstop flights available
- 17 miles (27 km) away from EWR
- Usually 6.97% less expensive than EWR
- 1-layover flights available
Flight Questions Answered
Still have questions about flying from SEA to EWR? We’ve got answers.
Which airlines fly this route?
You can find 14 major airlines flying this route most often: Alaska, American, Delta, Emirates, Frontier, Hawaiian, JetBlue, Qatar Airways, SAS, Singapore Airlines, Southwest, Spirit, Sun Country Airlines, United, and potentially more during busy seasons.
How far away is it from Newark Liberty International Airport to Seattle/Tacoma International Airport?
The distance between the two airports is roughly 2395 miles or 3854 kilometers.
How long does it take to fly from SEA to EWR?
The real-world flight time for a nonstop SEA to EWR flight is about 5 hour 18 minutes.
How many flights go between Seattle, WA and Newark, NJ?
It depends on the day of the week and the date, but a typical day might have around 98 available flights from SEA to EWR.
Airport Location Info
Departing Airport
Origination code | SEA |
Origination airport name | Seattle/Tacoma International Airport |
City | Seattle, WA |
Country | the United States |
Latitude | 47.5 |
Longitude | -122.3 |
Return Airport
Destination code | EWR |
Destination airport name | Newark Liberty International Airport |
City | Newark, NJ |
Country | the United States |
Latitude | 40.7 |
Longitude | -74.2 |
Late and Early Flight Data
Flights from SEA to EWR tend to depart later than the average flight. According to our recently updated data, 34% of flights departed 5 or more minutes late, and 23% of flights left 5 or more minutes early. On average you can expect to leave EWR heading for SEA about 20 minutes late. This does significantly impact arrival time, as the average landing time in Newark, NJ is about 14 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- United: 20 minutes late
- Alaska: 19 minutes late
- Some airlines not reporting
Other Resources
Flights to EWR
Flights from EWR
Popular Flights
Flights to SEA
Flights from SEA
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.