Price observed over the last 3 months for a round trip.

Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Seattle to Portland takes on average 1h1.
Best time
According to user searches, the ideal month to go to Portland is December.
Check out our tips for booking your flight to Portland (USA) from Seattle (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is July, with an average flight ticket price of $139 (calculation over the last two years). The most touristic season corresponds to the months of October, September and July.
For the cheapest flights, it is advisable to buy your ticket at least 25 days before the departure date.
The airline offering the cheapest flight tickets is Alaska Airlines. A ticket from the airline Alaska Airlines to Portland costs on average $251.
The airlines that offer the most flights are Alaska Airlines, Skywest Airlines and Alaska Airlines.
Here is some information and tips to know before booking your flight:
Seattle is a city in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {fromLocalTime}, the temperature is on average 15°C, with a minimum of 10°C and a maximum of 23°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Portland is in the country USA, the time zone is [[timezone]]. In Portland, it is currently {toLocalTime}, the temperature is on average 18°C, with a minimum of 11°C and a maximum of 26°C.
The city of Portland has 2 airport(s): Portland and Pearson Airpark
If you want to visit Portland during the least touristic period, choose the month of December.
In Portland, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 25 days before your departure. If you book your flight ticket 4 weeks before your departure, you may find a price below average. You can also choose morning flights that are 13% cheaper than afternoon and evening flights. The cheapest day to book a flight from Seattle to Portland is Friday.
When you leave, you can leave from Seattle-Tacoma, and you will arrive at Portland.
The airport Kenmore Air Harbor Spb. is located 3 km, Seattle-Tacoma is located 16 km, Renton is located 16 km or King County is located 8 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Airplane is the only means of transportation listed on Liligo for this journey.
In summer, the average temperature is 20°C in Portland and 18°C in Seattle. The average rainfall in summer is 19 mm in Portland and 38 mm in Seattle. In summer, it is warmer in Portland and it rains less in Portland. In winter, it is colder in Portland and it rains more in Portland.