Cheap flights from Portland to Seattle (PDX - SEA)

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The best prices from Portland to Seattle/Tacoma Intl are usually found in June or July, booked 52 days in advance, depart on a Friday or Saturday and return on a Saturday

How to find the cheapest flight from
Portland (PDX) to Seattle (SEA)

All the information you need to plan the best PDX to SEA flight in 2021: compare Portland to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
PDX - SEA
Price
$92 - $147
SEA
Temperature
41 - 66.2 °F
SEA
Precipitation
0.7 - 6.6 inches

Popular in

November

High demand for flights, 25% potential price rise

Cheapest in

June

Best time to find cheap flights, 17% potential price drop

Round-trip from

€92

From Portland to Seattle/Tacoma Intl

One-way from

$79

One-way flight from Portland to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Portland to Seattle?

Users have found that flying from Portland to Seattle on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Portland to Seattle?

Find a great deal and save up to 139% by booking at least 49 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland to Seattle within the next two weeks, with the cheapest ticket starting at $157.

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

Our data shows that June tends to be the cheapest month to fly to Seattle from Portland. Users have commonly found prices around $111 for the month, but tickets can be as low as $54. Due to multiple factors, prepare for potentially higher prices in November.

When is the cheapest time to fly from Portland to Seattle (PDX - SEA)?

When flying from Portland to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the morning.

Cheap flights from Portland to Seattle in September, October 2021

The best prices found for PDX to SEA flights for September, October
18 Oct - 18 Oct
$92pp
PDX
Portland
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
PDX
Portland
24 Oct - 26 Oct
$97pp
PDX
Portland
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
PDX
Portland
18 Oct - 18 Oct
$100pp
PDX
Portland
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
PDX
Portland

Portland to Seattle 2021 flight deals

Cheap flights to Seattle from Portland found for this year
18 Oct - 18 Oct
$92pp
PDX
Portland
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
PDX
Portland
24 Oct - 26 Oct
$97pp
PDX
Portland
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
PDX
Portland
17 Nov - 17 Nov
$99pp
PDX
Portland
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
PDX
Portland

Non-stop flights to Seattle from Portland

Save time with Portland to Seattle direct flight deals
18 Oct - 18 Oct
$92pp
PDX
Portland
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
PDX
Portland
24 Oct - 26 Oct
$97pp
PDX
Portland
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
PDX
Portland
14 Oct - 20 Oct
$127pp
PDX
Portland
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
PDX
Portland

Last minute flights from Portland to Seattle

Late deals on round-trip flights to Seattle from Portland, departing today and this week
4 Oct - 6 Oct
$133pp
PDX
Portland
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
PDX
Portland
3 Oct - 6 Oct
$142pp
PDX
Portland
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
PDX
Portland
2 Oct - 2 Oct
$178pp
PDX
Portland
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
PDX
Portland

One-way flights to Seattle/Tacoma Intl from Portland

The cheapest one-way flights from Portland to Seattle
11:18 am - 12:30 pm
Delta
Nonstop
1h 12m
PDX - SEA
Delta
$79
Delta
4:28 pm - 8:21 am
Frontier
1 Stop
15h 53m
PDX - SEA
Frontier
$105
Kiwi.com
2:10 pm - 6:20 am
Spirit Airlines
1 Stop
16h 10m
PDX - SEA
Spirit Airlines
$110
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portland</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Portland to Seattle

What airports do I use to fly from Portland to Seattle?

If you book a flight from Portland to Seattle, you will be flying from Portland to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Portland (PDX) take 0h 57m for a nonstop flight. There are 34 flights from Portland to Seattle per day from 5 airlines.

Which airlines flying from Portland to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Portland to Seattle/Tacoma Intl have new flexible policies in place due to COVID-19. Alaska Airlines, Delta, and Amtrak are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Alaska Airlines with this kind of flexibility.

Are flight prices decreasing from Portland to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Portland and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Portland to Seattle for under $100 on Cheapflights?

Yes, there are multiple flights from Portland to Seattle for under $100. The cheapest flight booked recently is on Alaska Airlines for just $92, but on average you can expect to pay $130.

Are there nonstop flights from Portland to Seattle for under $100 on Cheapflights?

Cheapflights has at least 11 direct flights from Portland to Seattle under $100. A good price for a nonstop flight from Portland to Seattle is less than $174.

Are there last-minute flights available from Portland to Seattle for under $200?

There are currently 20+ open flights from Portland to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Portland to Seattle?

Nonstop flights are available for this route on the following days: Monday, Tuesday, Wednesday, Thursday, Friday.

How popular is this Portland to Seattle flight route?

The Portland to Seattle/Tacoma Intl flight path was viewed by 27 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from Portland to Seattle on average per day?

Per day, 27 flights depart from Portland to Seattle on average.
Morning (6am - Noon) - 52% of flight departures
Afternoon (Noon - 6pm) - 41% of flight departures
Evening (6pm - Midnight) - 7% of flight departures

How long is the flight from Portland to Seattle?

There are many flights that can get you from Portland to Seattle in 59m. Fly via Alaska Airlines, Delta, or Spirit Airlines to get the fastest option. The distance from Portland to Seattle is about 130 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Portland to Seattle round-trip?

Cheapflights users have booked flights from Portland to Seattle round-trip from $92. Other airlines that can offer you cheap pricing are Delta, from $97, and Spirit Airlines, from $112. Alaska Airlines is currently priced 16% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Portland to Seattle one-way?

One-way options have recently been found by users for as low as $38 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $49 and Spirit Airlines from $57 one-way.

What are the most popular airlines that fly from Portland to Seattle?

The most popular airlines flying from Portland to Seattle are Amtrak, Train and Bus. Something to consider prior to booking your flight.

What are the most reliable airlines from Portland to Seattle?

No one likes to see their flight delayed. When booking a flight from Portland to Seattle consider choosing Air France (100%), KLM (95%) or Emirates (94%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Portland to Seattle?

While on average a flight from Portland to Seattle is generally $165, our data shows the cheapest flight currently is $26. When looking at the most popular route, (Portland - Seattle/Tacoma Intl), you can expect to pay $90 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Portland?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Portland need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Portland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Portland from Seattle?

Returning to Portland from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Portland.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Portland.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Portland to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Portland to Seattle.
Flight duration from PDX to SEA
0h 57m
Average temperature for September in Seattle
73.4 °F
Avg rainfall for September in Seattle
1.0 ″

Airports servicing Portland

Airports servicing Seattle

Hourly flight availability from Portland to Seattle

See what time of day planes typically take off from Portland towards Seattle.
Afternoon Noon to 6 PM 56% of PDX to SEA departures
Morning 6 AM to noon 27% of PDX to SEA departures
Early morning Midnight to 6 AM 10% of PDX to SEA departures
Evening 6 PM to midnight 7% of PDX to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Portland to Seattle
See how many times per day planes take to the skies headed from Portland to Seattle.
Sunday
40 daily flights
Monday
39 daily flights
Tuesday
32 daily flights
Wednesday
29 daily flights
Thursday
32 daily flights
Friday
36 daily flights
Saturday
35 daily flights
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