Domestic route
Cheap flights from Seattle to Newark
Seattle-Tacoma International Airport (SEA) to Newark Liberty International Airport (EWR). 2,395 miles, 5h nonstop.
SEA to EWR at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 2,395 milesgreat-circle
- Typical flight time
- 5hnonstop, gate to gate
- Nonstop airlines
- DLUAAS3 airlinesDelta, United, Alaska
- Nonstop flights per day
- 17all airlines combined
- Cheapest month
- February 2027over the next six months
- Best day to fly
- Tuesday18% less than Friday
- Time difference
- 3h aheadNewark vs Seattle
Seattle to Newark
Round trips from $208
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Feb 9.
Cheapest month: February 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppSeattle to Newark fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Seattle to Newark
3 airlines fly nonstop with 17 departures a day combined, plus 7 more with one stop.
- DLDelta Air LinesSkyTeamNonstop · 7 flights a day · first checked bag from $35
- ASAlaska AirlinesoneworldNonstop · 5 flights a day · first checked bag from $35
- UAUnited AirlinesStar AllianceNonstop · 5 flights a day · first checked bag from $40
- AAAmerican AirlinesoneworldConnecting via DFW, CLT, ORD, MIA, PHX, LAX, DCA · first checked bag from $40
- MXBreeze AirwaysLow-costConnecting via PVD, CHS, TPA, RDU, BDL, ORF · first checked bag from $45
- F9Frontier AirlinesLow-costConnecting via DEN, LAS, MCO, ATL, PHX, CLE · first checked bag from $55
- B6JetBlueConnecting via BOS, FLL, MCO, LAX · first checked bag from $40
- WNSouthwest AirlinesLow-costConnecting via DAL, HOU, MDW, BWI, DEN, LAS, PHX, OAK, MCO, ATL, BNA, LAX, SAN, STL, AUS · first checked bag from $35
- NKSpirit AirlinesLow-costConnecting via FLL, LAS, DTW, MCO, DFW, ATL, IAH · first checked bag from $55
- SYSun Country AirlinesLow-costConnecting via MSP · first checked bag from $45
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Orlando (MCO)WNB6NKF94 airlines
- Phoenix (PHX)AAWNF93 airlines
- Los Angeles (LAX)AAWNB63 airlines
- Las Vegas (LAS)WNNKF93 airlines
- Atlanta (ATL)WNNKF93 airlines
Which airport should I use?
SeattleNewark has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Tips for this route
- Delta, United and Alaska all fly SEA to EWR nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- February 2027 is the cheapest month to fly over the next six months, with round trips from $208; September 2026 is the most expensive at $265 and up, a difference of $57 per traveler.
- Departing on a Tuesday averages 18% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
- Newark is 3 hours ahead of Seattle. Expect to lose 3 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Destination guide
New York: Three airports, five boroughs, endless reasons to go
New York is the most-flown destination in the US, served by JFK, LaGuardia and Newark. Fares are competitive year-round thanks to nonstop service from nearly every major airport, and the subway makes a car unnecessary.
Best time to visit: April–June and September–early November bring mild weather and manageable crowds. December is magical but expensive; January and February have the lowest fares and hotel rates.
Flying the other way? Newark to SeattleFares, airlines and tips for EWR to SEA.Ready to compare live fares?
See every airline on SEA–EWR side by side with bags and seat rules spelled out.
Search Seattle to NewarkSeattle to Newark: common questions
How long is the flight from Seattle to Newark?
A nonstop flight from Seattle (SEA) to Newark (EWR) takes about 5h gate to gate, covering 2,395 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.
Which airlines fly nonstop from SEA to EWR?
Delta Air Lines, United Airlines and Alaska Airlines operate nonstop flights from Seattle (SEA) to Newark (EWR), with 17 nonstop departures a day between them. One-stop options connect through MCO, PHX and LAX.
What is the cheapest month to fly from Seattle to Newark?
Over the next six months, February 2027 has the lowest round-trip fares from Seattle (SEA) to Newark (EWR), starting at $208 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Seattle to Newark flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Seattle and Newark?
Newark is 3 hours ahead of Seattle. SEA is on America/Los Angeles time and EWR on America/New York time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.