Cheap flights from Portland to Seattle

Flights overview

Useful information for finding cheap flights from Portland to Seattle and booking your next trip
Cheapest round-trip flights $207
Delta Nonstop 2 hr Sat, May 16 — Sun, May 17
The cheapest round-trip flight from Portland to Seattle is currently $207
Cheapest one-way flight $119
Delta Nonstop 2 hr Wed, May 20
The cheapest one-way flight from Portland to Seattle is currently $119
Last-minute weekend getaway $437
Alaska Nonstop 1 hr Thu, Apr 30 — Sun, May 3
The cheapest last-minute weekend getaway from Portland to Seattle is currently $437
Cheapest business class flights $327
Alaska 1 stop 13 hr Sat, May 23 — Sun, May 24
The cheapest business class round-trip flight from Portland to Seattle is currently $327
Fastest flight 53 min The fastest nonstop flight from Portland to Seattle takes 53 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Portland to Seattle is typically November. The most expensive month to fly is typically July.
November
Cheapest
Typical prices: $75–390
July
Most expensive
Typical prices: $215–335

Popular airlines from Portland to Seattle

  • Alaska
    Nonstop
    from $207
    Typical price: $135–350
    76 weekly nonstop flights
    PDX - SEA Every day
    906 weekly connecting flights
    PDX - SEA Every day
  • Delta
    Nonstop
    from $207
    Typical price: $115–335
    55 weekly nonstop flights
    PDX - SEA Every day
  • United
    from $335
    Typical price: $285–770
    102 weekly connecting flights
    PDX - SEA Every day
  • Southwest
    from $351
    Typical price: $310–560
    101 weekly connecting flights
    PDX - SEA Every day
  • American
    from $425
    Typical price: $465–1,050
    22 weekly connecting flights
    PDX - SEA Every day
  • Frontier
    Typical price: $145–330
    16 weekly connecting flights
    PDX - SEA Every day

Popular airports near Portland

  • Portland International Airport (PDX)
    Portland United States 20 min 6 mi
  • Seattle-Tacoma International Airport (SEA)
    Seattle United States 2 hr 37 min 134 mi
  • Eugene Airport (EUG)
    Eugene United States 1 hr 54 min 99 mi
  • Redmond Municipal Airport (RDM)
    Redmond United States 3 hr 114 mi

Popular airports near Seattle

  • Seattle-Tacoma International Airport (SEA)
    Seattle United States 18 min 11 mi
  • Portland International Airport (PDX)
    Portland United States 2 hr 44 min 140 mi
  • Paine Field (PAE)
    Everett United States 31 min 21 mi
  • King County International Airport - Boeing Field (BFI)
    Seattle United States 11 min 5 mi

Frequently asked questions about flying from Portland to Seattle

The cheapest flights from Portland to Seattle are usually in November. Typical ticket prices in November range from $75 to $390.
The cheapest round-trip flight from Portland to Seattle recently found on Google Flights was with Delta from $207. The cheapest one-way flight was with Delta from $119.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Portland to Seattle is $207, flying from May 23 to May 24.
  • The cheapest Delta flight from Portland to Seattle is $207, flying from May 16 to May 17.
  • The cheapest United flight from Portland to Seattle is $335, flying from May 30 to Jun 1.
  • The cheapest Southwest flight from Portland to Seattle is $351, flying from Jun 4 to Jun 8.
  • The cheapest American flight from Portland to Seattle is $425, flying from May 16 to May 18.
The cheapest round-trip flight from Portland to Seattle starts at $207 from Sat, May 16 to Sun, May 17. The cheapest one-way flight starts at $119 and departs on Wed, May 20.
53 min is the shortest flight time from Portland to Seattle.
Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.
It's easy to use Google Flights to find the cheapest days to fly from Portland to Seattle.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Portland to Seattle really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Portland to Seattle.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 76 nonstop flights and 906 connecting flights per week. Alaska flies from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) .

Other popular airlines flying from Portland to Seattle are:
  • Delta offers 55 nonstop flights per week. Delta flies from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) .
  • United offers 102 connecting flights per week. United flies from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) .
  • Southwest offers 101 connecting flights per week. Southwest flies from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) .
  • American offers 22 connecting flights per week. American flies from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) .
  • Frontier offers 16 connecting flights per week. Frontier flies from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) .
The number of connecting flights refers to distinct flights with at least one stop between Portland and Seattle.
The cheapest round-trip flight from Portland to Seattle recently found on Google Flights was with Delta from $207. The cheapest one-way flight was with Delta from $119.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Portland to Seattle is $207, flying from May 23 to May 24.
  • The cheapest Delta flight from Portland to Seattle is $207, flying from May 16 to May 17.
  • The cheapest United flight from Portland to Seattle is $335, flying from May 30 to Jun 1.
  • The cheapest Southwest flight from Portland to Seattle is $351, flying from Jun 4 to Jun 8.
  • The cheapest American flight from Portland to Seattle is $425, flying from May 16 to May 18.
Alaska and Delta fly direct from Portland to Seattle.
  • There are 76 Alaska direct flights from Portland to Seattle per week. Flights are available every day.
  • There are 55 Delta direct flights from Portland to Seattle per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Portland and Seattle at price $437 is offered by Alaska from Thu, Apr 30 to Sun, May 3.
Alaska and Delta fly direct from Portland to Seattle.
  • There are 76 Alaska direct flights from Portland to Seattle per week. Flights are available every day.
  • There are 55 Delta direct flights from Portland to Seattle per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Portland to Seattle on a daily basis.
The cheapest direct (nonstop) round-trip flights between Portland and Seattle start at $207 from Sat, May 16 to Sun, May 17 with Delta.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Portland to Seattle, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Portland and Seattle start at $327 from Sat, May 23 to Sun, May 24 with Alaska.
The cheapest economy class round-trip flights between Portland and Seattle start at $207 from Sat, May 16 to Sun, May 17.
To book business class trips from Portland to Seattle, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Portland and Seattle starts at $437 from Thu, Apr 30 to Sun, May 3 with Alaska.
The cheapest last-minute deal between Portland and Seattle at price $437 is offered by Alaska from Thu, Apr 30 to Sun, May 3.
To find last-minute flight deals from Portland to Seattle, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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Popular trips from Portland

  1. Las Vegas
    $118
    Jun 6 — Jun 8
    1 stop 2 hr 21 min Frontier
  2. Vancouver
    $299
    May 14 — May 17
    Nonstop 1 hr 19 min Air Canada
  3. London
    $878
    Sep 12 — Sep 14
    1 stop 14 hr 5 min Delta, KLM, Virgin Atlantic
  4. Boston
    $261
    May 28 — May 31
    1 stop 7 hr 1 min American

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