Cheap Flights from Seattle to Portland (SEA to PWM)

Trading the Pacific Northwest for coastal New England is seamless when traveling from Seattle to Portland, Maine. Whether you are heading east for historic seaside charm, legendary Maine lobster, or scenic Atlantic harbors, Globitude Travels helps you secure great fares. Plan your cross-country getaway today and experience the rich maritime heritage waiting for you in Portland.

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Flying from Seattle to Coastal Maine

Departing from Seattle-Tacoma International Airport (SEA), your journey takes you across the continent to Portland International Jetport (PWM). Because this is an expansive coast-to-coast route, travelers generally connect through major domestic hub airports before touching down near Maine's picturesque shoreline.

Once you arrive in Portland, you will discover a vibrant community celebrated for its historic Old Port district, cobblestone streets, and celebrated culinary culture. The local climate varies dramatically by season, bringing crisp autumn foliage, snowy winter wonderlands, and mild, breezy summer weather ideal for exploring coastal lighthouses and historic wharves.

Money-saving tips for this route

Book your cross-country itinerary at least six to eight weeks in advance to capture lower rates before peak availability fills up.
Opt for Tuesday or Wednesday departures, which often feature more affordable fares than flying over the weekend.
Leave adequate layover time during winter months to comfortably navigate connections in northern transit hubs.
Pack layered apparel, as coastal Maine weather can change quickly and bring cool coastal breezes even during summer.

Frequently asked questions

What is generally the cheapest time of year to fly from Seattle to Portland, Maine?

Late winter and early spring, particularly January through March, typically offer the most budget-friendly airfares on this route, whereas summer and autumn foliage seasons bring peak demand.

Which carriers provide flights between Seattle and Portland, Maine?

Major domestic airlines offer connecting service along this coast-to-coast route, and Globitude Travels can help you evaluate current options to choose the best itinerary for your schedule.

What are the departure and arrival airports for this route?

Flights depart from Seattle-Tacoma International Airport (SEA) in Washington and arrive at Portland International Jetport (PWM) in Maine.

Do flights between Seattle and Portland usually have layovers?

Yes, transcontinental flights between SEA and PWM typically include one layover at major central or East Coast connection hubs.

Can I book my Seattle to Portland flight over the phone with Globitude Travels?

Yes, you can contact Globitude Travels by phone to speak with a booking agent who can assist with reservations, custom itineraries, and seat selections.

Related routes

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Globitude Travels is an independent travel agency — call 1-856-513-6369 or use the search above to compare live fares on this route. See our terms, privacy policy, refund policy and service fees for full details, or contact us any time.

Page updated September 11, 2026 · fare data refreshed automatically from live flight searches.