Are there direct flights?

No, there are no direct flights from Portland, Maine to Seattle.

How long is the flight?

Travel time is typically 8 to 11 hours including one layover.

What is the best way to get around?

Seattle has a very walkable downtown and a reliable light rail system.

Is Seattle expensive?

Seattle is a major city with costs comparable to other large US metropolitan areas.

Do I need a passport?

No, this is a domestic flight within the United States.

Portland

Seattle

Flight

Portland to Seattle

Updated: 30 May 2026

The journey from Portland, Maine to Seattle, Washington spans the entire width of the United States. The most efficient way to travel is via a connecting flight from Portland International Jetport (PWM) to Seattle-Tacoma International Airport (SEA). You will typically connect through hubs like Boston, Chicago, or Denver. The total travel time is usually between 8 and 11 hours. This route takes you from the Atlantic coast to the Pacific Northwest.

Total Distance: Driving distance 5,100 km, straight-line air distance 4,000 km.

Fastest Way

Connecting flight with a short layover, total time around 8 hours.

Cheapest Way

Connecting flight via major carriers, often found for under $350 if booked early.

Compare Portland to Seattle Routes

Flight

Connecting

Duration

8 hours 30 mins

Avg Price

$300 - $600

Operator

Alaska Airlines

Route

PWM to SEA via BOS or ORD.

Alaska Airlines offers frequent connections to Seattle from major East Coast hubs.

Travel Tips

Rain Gear
Seattle is known for light rain; bring a waterproof jacket rather than an umbrella.
Airport Transit
Use the Link Light Rail to get from SEA airport to downtown Seattle in 40 minutes.
Coffee Culture
Explore local independent coffee roasters beyond the major chains.
Booking
Check flight prices on Tuesdays for the best deals on cross-country travel.
Time Difference
You will gain three hours when traveling west to Seattle.

Safety Tips

Urban Awareness
Stay aware of your surroundings in downtown areas, especially at night.
Public Transit
Keep your phone and wallet secure while riding the light rail or buses.
Weather
Check local forecasts, as weather can change rapidly in the Pacific Northwest.
Emergency
Save the local non-emergency police number in your phone for quick access.