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Cheap flights from Seattle to Portland

One-way from $143, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sun, Dec 13Any priceMon, Dec 14Any priceTue, Dec 15Any priceWed, Dec 16$143Thu, Dec 17Any priceFri, Dec 18Any priceSat, Dec 19Any priceSun, Dec 20Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$143
Alaska Airlines, flight AS 3052Found 2 days ago, 1 adult
Check live price
10:20amSeattleWed, Dec 16
Travel time 1h 4m, nonstopSEAPDX
11:24amPortlandWed, Dec 16
$157
Alaska Airlines, flight AS 2205Found 5 days ago, 1 adult
Check live price
10:59pmSeattleSun, Oct 25
Travel time 55m, nonstopSEAPDX
11:54pmPortlandSun, Oct 25
$157
Alaska Airlines, flight AS 761Found 5 days ago, 1 adult
Check live price
7:20amSeattleMon, Oct 26
Travel time 1h 8m, nonstopSEAPDX
8:28amPortlandMon, Oct 26
$165
Alaska Airlines, flight AS 254Found 6 days ago, 1 adult
Check live price
8:07pmSeattleThu, Oct 29
Travel time 5h 29m, 1 stopSEAPDX
1:36amPortlandFri, Oct 30
$212
SeaPort Airlines, flight X4 3140Found 3 days ago, 1 adult
Check live price
8:05pmSeattleFri, Nov 6
Travel time 50m, nonstopBFIPDX
8:55pmPortlandFri, Nov 6

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Portland, booked ahead at a fixed price.
    See options
  • Things to do in PortlandPopular tours from $30 per person.
    See ideas
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425$15726$15727–28–29$16530–31$256

November 2026

MoTuWeThFrSaSu1–2$2193$2164–5–6$2127$2428$2139–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13–14–15–16$14317–18–19–20–21–22–23–2425262728293031
$157 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Dec 16, $143.

Lowest fares by month

In the fares found this week, December has the lowest: from $143 one-way, against $212 in November. Pick a month to see its cheapest date.

  1. Oct$157
  2. Nov$212
  3. Dec$143
  4. Janno fares yet
  5. Febno fares yet
  6. Marno fares yet
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$100$200$300OctNov$143DecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$157Sun, Oct 25Nonstop
November$212Fri, Nov 6Nonstop
December$143Wed, Dec 16Nonstop
January 2027—
February 2027—
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from Seattle to Portland?

In the fares found this week, December has the lowest: from $143 one-way, against $212 in November.

Are there direct flights from Seattle to Portland?

Yes. Recent fares include nonstop flights with Alaska Airlines and SeaPort Airlines.

How long is the flight from Seattle to Portland?

A nonstop flight takes about 50m. The distance is 129 mi.

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