$122 Find Cheap Flights from Portland to Seattle - Compare and Save

If you’d like to withdraw some cash at SEA, you can do so without difficulty, as the airport features ATMs in the Central Terminal and all gated areas.

SEA has seven nursing rooms. They are located near Gates S, A9, C10, N2, D10, and D23 and on the Main Terminal of the airport’s train stations. Apart from breastfeeding your baby, in any of these rooms, you’ll get the chance to change your baby’s diapers, as they all have changing tables.

SEA does not have an on-site hotel. However, if you’d like to stay at a hotel near this airport, you’ll have many options. They include Hilton Seattle Airport & Conference Center, Crowne Plaza Seattle Airport, and Radisson Hotel Seattle Airport.

PDX features two children’s play areas. One is near Gate C17 in Concourse C, while the other is near Gate D7 in Concourse D. At either, your child will have lots of fun, given that they feature a wide variety of toys and child-proof playgrounds.

Among airlines operating Portland to Seattle flights:

• Alaska Airlines: offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Portland and Seattle. The airlines offering nonstop flights on this route include:
• Alaska Airlines
• Delta

Flights from Portland to Seattle usually depart from Portland (PDX) and arrive at Seattle/Tacoma Intl (SEA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in Economy Class
• Hawaiian Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Portland to Seattle:

• Economy Class
• First Class

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$70 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines. Other aircraft seen on the route include Boeing 787-10 Dreamliner variants.

Yes. Being flexible with your travel dates can save you up to 45% on the Portland to Seattle route. Tuesday is the cheapest departure day at $138 round-trip on average, while Monday is the most expensive at $247, a difference of $109. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Portland to Seattle flights, with 58% of flights leaving in that window. Evening departures account for 21%, night flights for 15%, and afternoon flights for 6%.

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

A nonstop flight from Portland to Seattle takes 1h 07m, covering 129 miles.

These are the earliest and latest flight times available from Portland to Seattle:

• Earliest: departs at 5:00 am and lands at 6:07 am
• Latest: departs at 9:34 pm and lands at 10:41 pm.

The flight takes about 1h 07m.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $186 to $1,084. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Portland to Seattle are currently lower than usual. Average one-way flight prices are about $129, which is 34% below the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
· Fox
· Europcar
· Thrifty
· Budget
· Dollar

Round-trip flights from Portland to Seattle range from $139 to $302, with an average of $223 over the past 12 months. Anything below $139 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Portland to Seattle flights:

• • Alaska Airlines
• • Delta