$132 Find Cheap Flights from Portland to Seattle - Compare and Save

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

• Earliest: departs at 5:02 am and lands at 6:09 am
• Latest: departs at 10:30 pm and lands at 11:37 pm.

The flight takes about 1h 07m.

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

• Economy Class
• Business Class
• First Class

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

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.

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.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$45 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

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

Morning is the busiest departure period on Portland to Seattle flights, with 53% of flights leaving in that window. Afternoon departures account for 21%, evening flights for 21%, and night flights for 5%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $199 to $1,435. That means the highest observed fare was about 7x higher than the lowest one.

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

• Alaska Airlines
• Delta
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Based on prices from the last 5 days, flying between Portland and Seattle is around $199 round-trip, with a flight time of about 1h 03m. Taking the train is much cheaper at around $58, with a trip time of about 3h 25m. The bus is similarly priced at around $53 and takes about 3h 35m. Compared with flying, recent train and bus fares are roughly 72% lower. However, those options take about 2+ hours longer each way.

One-way fares from Portland to Seattle are currently lower than usual. Average one-way flight prices are about $136, which is 30% 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

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

Yes. Flexible dates can save you up to 45% on flights from Portland to Seattle. 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.

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

• Alaska Airlines
• Delta

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

Among airlines operating Portland to Seattle flights:

• Alaska Airlines: offers extra legroom; 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.

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 First Class
• JetBlue: a cabin bag in Economy Class class

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

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.