The flight time from Newark Liberty International Airport to Seattle-Tacoma International Airport is:

5 hours, 28 minutes

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In-air flight time: 5 hours, 28 minutes
From gate to gate: 5 hours, 59 minutes
Constant 500 mph: 4 hours, 48 minutes

mph     knots     km/h

take-off and landing: minutes

Flight map from EWR to SEA

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Flying time from EWR to SEA

The total flight duration from EWR to SEA is 5 hours, 28 minutes.

This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year. It covers the entire time on a typical commercial flight including take-off and landing.

If you're planning a trip, you should also factor in extra time for the plane to pull back from the gate and taxi to the runway, as well as reaching the destination gate after landing. If you include this extra time on the tarmac, the average total elapsed time from gate to gate flying from EWR to SEA is 5 hours, 59 minutes.

Finally, pilots might want to estimate the flight time using an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. If you don't add any extra time to increase or decrease speed for take-off and landing, then at constant speed your flight time would be 4 hours, 48 minutes.

Note that if you fly the other direction, the flight time from SEA to EWR would be 4 hours, 39 minutes due to the effect of winds and the jet stream.

If you're booking a flight, make sure you check the scheduled departure and arrival times. You should also factor in airport wait times and possible equipment or weather delays. If you're trying to figure out what time you'll arrive at the destination, you may want to see if there's a time difference between EWR and SEA.

The calculation of flight time is based on the straight line distance from EWR to SEA ("as the crow flies"), which is about 2,401 miles or 3 865 kilometers.

Your trip begins at Newark Liberty International Airport in Newark, New Jersey.
It ends at Seattle-Tacoma International Airport in Seattle, Washington.

Your flight direction from EWR to SEA is Northwest (-62 degrees from North).

The flight time calculator measures the average flight duration between points. It uses the great circle formula to compute the travel mileage.

Newark Liberty International Airport

IATA: EWR
ICAO: KEWR
FAA: EWR
City: Newark
State: New Jersey
Zip code: 07114
Country: United States
Category: airports

Seattle-Tacoma International Airport

IATA: SEA
ICAO: KSEA
FAA: SEA
City: Seattle
State: Washington
Zip code: 98168
Country: United States
Category: airports