How popular is this Seattle to Portland flight route?

This flight path from Seattle/Tacoma Intl to Portland was viewed by 45 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Cheapflights users have booked flights from Seattle to Portland round-trip from $122. Other airlines that can offer you cheap pricing are Delta, from $137, and Alaska Airlines, from $144. Spirit Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $63. However, be on the lookout for offers from Hawaiian Airlines and Delta, as they are both options that can get you from Seattle to Portland for a low price.

What are the cheapest flights from Seattle to Portland?

On average you can expect to pay $862 for a flight from Seattle to Portland. The cheapest flight overall is $88 while the most popular route, (Seattle/Tacoma Intl - Portland) is currently priced at $123.

What are the most reliable airlines from Seattle to Portland?

Consider Sun Country Air (100%), Icelandair (94%) or Air France (90%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Portland.

What is the cheapest day to fly round-trip from Seattle to Portland?

Saturday flights are found to be more expensive to fly from Seattle to Portland. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Portland.

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

To save up to 357% on this flight, we recommend booking at least 38 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Portland from $302 1-2 weeks out and tickets from $436 for flights departing within the next 72 hours.

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

October can be a great time to fly to Portland from Seattle with a flight ticket averaging about $187. Cheapflights users have found deals in the month of October for as cheap as $111. The most expensive prices can be found in the month of July.

Most accurate provider : When it comes to deals on Seattle-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Portland flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight from Seattle to Portland, you will be flying from Seattle/Tacoma Intl to Portland. Flights to Portland (PDX) from Seattle/Tacoma Intl (SEA) take 0h 48m for a nonstop flight. There are 59 flights from Seattle/Tacoma Intl to Portland per day from 2 airlines.

Can I find deals for flights from Seattle to Portland that include hotel bookings?

Yes. In addition to deals on Seattle to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Portland.

Can I find deals for business class flights from Seattle to Portland?

Yes. Cheapflights offers flight deals from Seattle to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$63+ Save on Flights from Seattle to Portland

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Seattle to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Portland are usually found in October or January, booked 37 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Seattle to Portland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$122 (Mytrip)
One-way from	$63 (Mytrip)
Popular in	July
Cheapest in	October
Average price	$217
Good round-trip deal	$306 or less
Good one-way deal	$143 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-Portland flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Portland flights.

Search Deals

From Seattle/Tacoma Intl to Portland

Search Deals

One-way flight from Seattle/Tacoma Intl to Portland

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Seattle/Tacoma Intl to Portland.

Search Deals

Price to beat on a one-way flight from Seattle/Tacoma Intl to Portland.

Search Deals

Find flight deals from Seattle to Portland

Cheapest flights from Seattle to Portland
Explore the most affordable flight options available from Seattle to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

Tue 4/2212:30 pmSEA - PDX

1 stop25h 07mSpirit Airlines

Tue 4/297:01 pmPDX - SEA

1 stop16h 34mSpirit Airlines

Deal found 3/20

$122

Wed 5/76:15 pmSEA - PDX

Nonstop1h 00mDelta

Wed 5/145:35 amPDX - SEA

Nonstop0h 55mDelta

Deal found 3/20

$137

Sun 5/49:00 amSEA - PDX

Nonstop0h 56mAlaska Airlines

Sun 5/1110:00 pmPDX - SEA

Nonstop0h 54mAlaska Airlines

Deal found 3/20

$144

Sun 5/45:30 amSEA - PDX

Nonstop0h 55mHawaiian Airlines

Sun 5/1110:00 pmPDX - SEA

Nonstop0h 54mHawaiian Airlines

Deal found 3/20

$148

Sun 5/48:56 pmSEA - PDX

1 stop13h 01mMultiple Airlines

Sun 5/1110:00 pmPDX - SEA

Nonstop0h 54mMultiple Airlines

Deal found 3/20

$172

Thu 7/1710:05 amSEA - PDX

1 stop6h 35mSouthwest

Fri 7/184:20 pmPDX - SEA

1 stop6h 45mSouthwest

Deal found 3/20

$411

Thu 4/1712:45 pmSEA - PDX

1 stop11h 45mUnited Airlines

Mon 4/287:30 pmPDX - SEA

1 stop18h 48mUnited Airlines

Deal found 3/20

$413

Best flights from Seattle to Portland
Discover carefully curated flight deals from Seattle to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 21, 2025.

Tue 4/2212:30 pmSEA - PDX

1 stop25h 07mSpirit Airlines

Tue 4/297:01 pmPDX - SEA

1 stop16h 34mSpirit Airlines

Deal found 3/20

$122

Wed 5/76:15 pmSEA - PDX

Nonstop1h 00mDelta

Wed 5/145:35 amPDX - SEA

Nonstop0h 55mDelta

Deal found 3/20

$137

Sun 5/49:00 amSEA - PDX

Nonstop0h 56mAlaska Airlines

Sun 5/1110:00 pmPDX - SEA

Nonstop0h 54mAlaska Airlines

Deal found 3/20

$144

Sun 5/45:30 amSEA - PDX

Nonstop0h 55mHawaiian Airlines

Sun 5/1110:00 pmPDX - SEA

Nonstop0h 54mHawaiian Airlines

Deal found 3/20

$148

Sun 5/48:56 pmSEA - PDX

1 stop13h 01mMultiple Airlines

Sun 5/1110:00 pmPDX - SEA

Nonstop0h 54mMultiple Airlines

Deal found 3/20

$172

Thu 7/1710:05 amSEA - PDX

1 stop6h 35mSouthwest

Fri 7/184:20 pmPDX - SEA

1 stop6h 45mSouthwest

Deal found 3/20

$411

Thu 4/1712:45 pmSEA - PDX

1 stop11h 45mUnited Airlines

Mon 4/287:30 pmPDX - SEA

1 stop18h 48mUnited Airlines

Deal found 3/20

$413

Last-minute flights from Seattle to Portland
Discover last-minute flight deals from Seattle to Portland. Data last updated March 21, 2025 and is based on user searches.

Thu 3/276:39 amSEA - PDX

Nonstop0h 48mHawaiian Airlines

Thu 3/279:47 amPDX - SEA

Nonstop0h 58mHawaiian Airlines

Deal found 3/20

$341

Thu 3/2711:29 amSEA - PDX

Nonstop0h 56mAlaska Airlines

Thu 3/272:27 pmPDX - SEA

1 stop8h 56mAlaska Airlines

Deal found 3/20

$504

Thu 3/275:45 amSEA - PDX

1 stop4h 30mSouthwest

Thu 3/2711:45 amPDX - SEA

1 stop6h 30mSouthwest

Deal found 3/20

$675

Thu 3/275:00 amSEA - PDX

1 stop9h 55mUnited Airlines

Thu 3/277:07 pmPDX - SEA

2 stops16h 43mUnited Airlines

Deal found 3/20

$1,088

Fri 3/287:20 amSEA - PDX

Nonstop1h 11mDelta

Sun 3/307:23 amPDX - SEA

Nonstop1h 08mDelta

Deal found 3/20

$347

Fri 3/289:48 amSEA - PDX

1 stop24h 32mSpirit Airlines

Sun 3/306:50 pmPDX - SEA

1 stop13h 53mSpirit Airlines

Deal found 3/20

$578

Fri 3/285:40 pmSEA - PDX

1 stop7h 10mMultiple Airlines

Sat 3/297:41 pmPDX - SEA

Nonstop0h 54mMultiple Airlines

Deal found 3/20

$1,090

Tue 4/85:45 amSEA - PDX

1 stop4h 40mSouthwest

Tue 4/83:55 pmPDX - SEA

1 stop6h 35mSouthwest

Deal found 3/20

$457

Thu 4/178:56 amSEA - PDX

Nonstop0h 55mAlaska Airlines

Mon 4/288:45 pmPDX - SEA

Nonstop0h 54mAlaska Airlines

Deal found 3/20

$157

Thu 4/1712:45 pmSEA - PDX

1 stop11h 45mUnited Airlines

Mon 4/287:30 pmPDX - SEA

1 stop18h 48mUnited Airlines

Deal found 3/20

$413

Tue 4/2212:30 pmSEA - PDX

1 stop25h 07mSpirit Airlines

Tue 4/297:01 pmPDX - SEA

1 stop16h 34mSpirit Airlines

Deal found 3/20

$122

Tue 4/2210:59 pmSEA - PDX

Nonstop0h 57mDelta

Tue 4/291:55 pmPDX - SEA

Nonstop1h 07mDelta

Deal found 3/19

$137

One-way flights from Seattle to Portland
Search for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated March 21, 2025.

Tue 5/136:00 amSEA - PDX

1 stop10h 45mSpirit Airlines

Deal found 3/20

$63

Tue 5/135:30 amSEA - PDX

Nonstop0h 55mHawaiian Airlines

Deal found 3/20

$68

Mon 4/149:35 amSEA - PDX

Nonstop1h 05mDelta

Deal found 3/21

$79

Tue 5/1311:25 amSEA - PDX

2 stops9h 17mAlaska Airlines

Deal found 3/20

$137

Sun 5/257:25 amSEA - PDX

1 stop6h 50mSouthwest

Deal found 3/21

$159

Fri 4/186:27 pmSEA - PDX

3 stops23h 38mMultiple Airlines

Deal found 3/20

$260

Sun 5/257:20 amSEA - PDX

2 stops13h 31mUnited Airlines

Deal found 3/21

$363

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 4/22

12:30 pm-1:37 pm

1 stop25h 07m

Portland

Tue 4/29

7:01 pm-11:35 am

1 stop16h 34m

$122

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 5/7

6:15 pm-7:15 pm

Nonstop1h 00m

Portland

Wed 5/14

5:35 am-6:30 am

Nonstop0h 55m

$137

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sun 5/4

9:00 am-9:56 am

Nonstop0h 56m

Portland

Sun 5/11

10:00 pm-10:54 pm

Nonstop0h 54m

$144

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sun 5/4

5:30 am-6:25 am

Nonstop0h 55m

Portland

Sun 5/11

10:00 pm-10:54 pm

Nonstop0h 54m

$148

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sun 5/4

8:56 pm-9:57 am

1 stop13h 01m

Portland

Sun 5/11

10:00 pm-10:54 pm

Nonstop0h 54m

$172

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 7/17

10:05 am-4:40 pm

1 stop6h 35m

Portland

Fri 7/18

4:20 pm-11:05 pm

1 stop6h 45m

$411

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 4/17

12:45 pm-12:30 am

1 stop11h 45m

Portland

Mon 4/28

7:30 pm-2:18 pm

1 stop18h 48m

$413

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 5/13

6:00 am-4:45 pm

1 stop10h 45m

$63

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 5/13

5:30 am-6:25 am

Nonstop0h 55m

$68

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Mon 4/14

9:35 am-10:40 am

Nonstop1h 05m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 14 results

Compare providers for flights from Seattle to Portland

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Portland in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Seattle-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Portland flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Seattle to Portland flights

Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Portland trip

Airports

SEA

Plan to arrive at SEA two hours before your flight. Use SEA Spot Saver for free security appointments to reduce wait times.

PDX

Take the MAX red line from PDX to downtown Portland. It's inexpensive and takes about 40 minutes, with trains every 15 minutes.

Our travel experts

Brandon Schultz

Expert on PDX and SEA

Best time to book a flight from Seattle to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Portland

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

The price you pay for your flight from Seattle to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Portland?

Currently, November is the cheapest month in which you can book a flight from Seattle to Portland (average of $277). Flying from Seattle to Portland in March is currently the most expensive (average of $370). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to PDX?

It’s typically best to fly out from Seattle to Portland at noon. Doing so could potentially save you 34% on the flight price compared to flying in the morning, which is usually more expensive.

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

Travelers seeking maximum savings on their Seattle to Portland flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Portland

The most flights from SEA to PDX are scheduled on a Thursday (75 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 on average).

Rainfall in Portland by month

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Seattle to Portland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,281 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,759 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,895 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines

7.9

Good

2,325 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,605 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airports do I use to fly from Seattle to Portland?
If you book a flight from Seattle to Portland, you will be flying from Seattle/Tacoma Intl to Portland. Flights to Portland (PDX) from Seattle/Tacoma Intl (SEA) take 0h 48m for a nonstop flight. There are 59 flights from Seattle/Tacoma Intl to Portland per day from 2 airlines.
How popular is this Seattle to Portland flight route?
This flight path from Seattle/Tacoma Intl to Portland was viewed by 45 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Seattle to Portland round-trip?
Cheapflights users have booked flights from Seattle to Portland round-trip from $122. Other airlines that can offer you cheap pricing are Delta, from $137, and Alaska Airlines, from $144. Spirit Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Seattle to Portland one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $63. However, be on the lookout for offers from Hawaiian Airlines and Delta, as they are both options that can get you from Seattle to Portland for a low price.
What are the most reliable airlines from Seattle to Portland?
Consider Sun Country Air (100%), Icelandair (94%) or Air France (90%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Portland.
What are the cheapest flights from Seattle to Portland?
On average you can expect to pay $862 for a flight from Seattle to Portland. The cheapest flight overall is $88 while the most popular route, (Seattle/Tacoma Intl - Portland) is currently priced at $123.
Can I find deals for flights from Seattle to Portland that include hotel bookings?
Yes. In addition to deals on Seattle to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Portland.
Can I find deals for business class flights from Seattle to Portland?
Yes. Cheapflights offers flight deals from Seattle to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Portland?
Currently, November is the cheapest month in which you can book a flight from Seattle to Portland (average of $277). Flying from Seattle to Portland in March is currently the most expensive (average of $370). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Lincoln City

Beaverton

Seaside

McMinnville

Lake Oswego

Vancouver

Hillsboro

Gresham

Long Beach

Cannon Beach

Tigard

Astoria

Hood River

Woodburn

Depoe Bay

Pacific City

Stevenson

Troutdale

Longview

Wilsonville

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Portland

Complete your trip

Portland car rentals

Portland Airport car rentals

Medford car rentals

Salem car rentals

Eugene car rentals

Brookings car rentals

Downtown car rentals

Southeast Portland car rentals

Pearl District car rentals

North Portland car rentals

Southwest Portland car rentals

Northeast Portand car rentals

Other flights to Portland

Top 2 airlines flying from Seattle to Portland

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$97	Average$181	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$112	Average$185	FlexibilityNo cancel fee	On-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$63+ Cheap flights from Seattle to Portland (SEA - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Portland are usually found in October or January, booked 37 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Seattle to Portland

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seattle to Portland

Cheapest flights from Seattle to PortlandExplore the most affordable flight options available from Seattle to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

Explore the most affordable flight options available from Seattle to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Portland that are best for you.

Compare providers for flights from Seattle to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Portland in March.

The best insider tips for Seattle to Portland flights

Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Portland trip

Airports

SEA

PDX

Our travel experts

Best time to book a flight from Seattle to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Portland. Price data was last updated on March 14, 2025.

What is the cheapest month to book a flight from Seattle to Portland?

What is the cheapest time of day to fly from SEA to PDX?

Find hourly flight availability from Seattle to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 21, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Portland. Price data was last updated on March 16, 2025.

Weekly flight availability from Seattle to Portland

Explore weekly flight availability from Seattle to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 21, 2025.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Seattle to Portland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How popular is this Seattle to Portland flight route?

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

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

What are the most reliable airlines from Seattle to Portland?

What are the cheapest flights from Seattle to Portland?

Can I find deals for flights from Seattle to Portland that include hotel bookings?

How can I find direct flights from Seattle to Portland?

Can I find deals for business class flights from Seattle to Portland?

What is the cheapest month to book a flight from Seattle to Portland?

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Portland

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

Top 2 airlines flying from Seattle to Portland

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Seattle to Portland
Explore the most affordable flight options available from Seattle to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.