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Cheap Flights from Portland to Seattle

Popular airlines from Portland to Seattle

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Alaska Airlines logo Alaska Airlines

Cheap Flights from Portland to Seattle starting at S$ 95

Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Portland to Seattle

Cheapest one-way flight price S$ 76
Cheapest return ticket price S$ 151
Off-season for travel April
Peak season for travel March
Flight distance 208.22km
Average flight time 58 minutes
Popular airline Alaska Airlines

Cheapest time to fly from Portland to Seattle

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
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  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from Portland (PDX) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Portland to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Portland (PDX) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around S$ 215.

  • How long is a flight from Portland (PDX) to Seattle (SEA)?

    It takes about 58 minutes to fly from Portland (PDX) to Seattle (SEA).

  • What are the most popular airlines that fly from Portland (PDX) to Seattle (SEA)?

    Airlines with flights from Portland (PDX) to Seattle (SEA): Westjet, Alaska Airlines, Qatar Airways, Air Tahiti Nui, Delta Air Lines and Air Excursion.

  • How many airports in Seattle?

How to find a cheap flight from Portland to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Seattle. Book your flights at the right time and save more.
1
Choose your dates flexibly and get the best deals on flights from Portland to Seattle.
Tap 'Date' on the flight search bar to browse the calendar for Portland to Seattle airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Tue, Jun 17, with one-way flights starting at S$ 95.
2
Compare cheap flight deals from hundreds of airlines for Portland to Seattle flights.
Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Portland to Seattle. The cheapest flight at the moment is with Hawaiian Airlines.
3
Set up a Price Alert
Set up a Price Alert for your Portland to Seattle flights and track ticket prices easily—no need for daily checks.
4
Don't miss out on cheap deals and promo codes for Portland to Seattle flights.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.
5
Book early or wait for last-minute deals.
It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.
6
Search for flights on the go.
For the best flight booking experience on the go, download Trip.com and search for cheap flights from Portland to Seattle to get your exclusive deals.

Find Cheap Flights & Deals on Trip.com

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