Cheap flights from Seattle to Portland from $77
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Portland departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from Seattle to Portland
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Fly from
Fly to
Route
Depart
Return
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 12/5
5:57 pm-6:55 pm
Nonstop0h 58m
Portland
Sun 12/6
6:26 am-7:30 am
Nonstop1h 04m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Thu 12/10
6:57 pm-7:53 pm
Nonstop0h 56m
Portland
Mon 12/14
7:30 am-8:35 am
Nonstop1h 05m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Thu 10/29
7:32 am-8:46 am
Nonstop1h 14m
Portland
Mon 11/2
5:49 pm-7:05 pm
Nonstop1h 16m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Wed 11/4
1:45 pm-2:51 pm
Nonstop1h 06m
Portland
Tue 11/10
5:30 am-6:45 am
Nonstop1h 15m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Fri 11/6
6:55 pm-8:00 pm
Nonstop1h 05m
Portland
Sun 11/8
7:59 pm-9:15 pm
Nonstop1h 16m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Thu 12/10
3:50 pm-4:48 pm
Nonstop0h 58m
Portland
Mon 12/14
10:30 am-11:40 am
Nonstop1h 10m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 12/5
3:35 pm-8:37 pm
1 stop5h 02m
Portland
Sun 12/6
8:30 am-9:33 am
Nonstop1h 03m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Thu 10/29
8:55 pm-9:56 pm
Nonstop1h 01m
Portland
Mon 11/2
11:06 am-8:42 am
2 stops21h 36m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Fri 10/23
9:16 pm-9:24 am
1 stop12h 08m
Portland
Fri 10/30
8:44 pm-10:00 pm
Nonstop1h 16m
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Thu 10/29
9:13 pm-11:36 am
1 stop14h 23m
Portland
Mon 11/2
12:31 pm-6:33 pm
2 stops30h 02m
See travel insights to Portland from
How to get the cheapest flight ticket from Seattle to Portland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Seattle and Portland?
Prices are currently low for flights on this route.
Typical prices usually range from $197 to $407.The lowest price recently found on this route was $157.
What is the cheapest month to fly to Portland?
The cheapest month to fly to Portland from Seattle is in January. Flight prices, which tend to average around $99, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until December to fly from Seattle, when ticket prices are also cheap, with an average price of $128.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $352. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $482.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $402. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $477 per ticket.
What is the cheapest Seattle/Tacoma Intl to Portland flight route?
Fly from Seattle/Tacoma Intl to Portland for the best Seattle/Tacoma Intl - Portland flight prices
What cabin class options are available on Seattle to Portland flights?
There are 4 cabin classes available to choose from on Seattle to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Seattle to Portland flight prices changed over time?
As of October 2026, prices for Seattle to Portland flights are approximately 52% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Portland?
Frontier and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Portland
What airlines fly to Portland?
Alaska Airlines, Delta and Air Excursions are the top three most popular airlines that fly to Portland from Seattle according to our data. Alaska Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Portland on average per day?
As of October 2026, 45 flights take off from Seattle and land in Portland each day. The most common flight departure time for this route is 6:00PM, with 48% of daily flights taking off in the evening.
How many flights depart from Seattle to Portland on average per week?
317 flights are operational weekly from Seattle to Portland as of October 2026. The most popular departure day for this route is Sun, with 17% of flights per week taking off on this day.
When to book flights from Seattle to Portland
Cheap Seattle to Portland (SEA to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Portland
Frequently asked questions about flying from Seattle to Portland
How far is Seattle/Tacoma Intl to Portland by plane?
The distance between Seattle/Tacoma Intl and Portland is about 145.2 mi. A reasonable flight in good conditions will take 0h 50m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Portland Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Portland Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Portland Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Portland Airport is 3 as of October 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Portland?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Portland is Boeing 737-800 Passenger/BBJ2 (winglets), representing 19.80% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 9.56%, Pilatus PC-12 at 8.19%, and Airbus A321neo at 7.17%.
What is the most popular airline from Seattle to Portland?
Based on momondo bookings for flights between Seattle and Portland, the leading airline is Alaska Airlines, making up 49% of the total bookings. Other popular airlines include Delta with 40% and Air Excursions with 11%.
Best airlines flying from Seattle to Portland
Compare and see reviews for airlines that fly from Seattle to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $79 | Free Cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 7.9 13,052 reviews | |||
| PriceFrom $249 | Free Cancellation | Rating 0.0 |
Alaska Airlines Flights From Seattle to Portland
The lowest priced Alaska Airlines flight from Seattle to Portland from the last 72 hours was $98. Generally, Alaska Airlines has 49 flights on this route every week with an average price of $259. Alaska Airlines is rated 7.9/10 by our users.
Delta Flights From Seattle to Portland
The best Delta deal for Seattle to Portland flight tickets found on momondo in the last 72 hours was $79, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $218 round-trip. Delta operates 21 flights out of Seattle into Portland in an average week, so prices vary by time and availability. 8,653 Delta reviews by users on momondo have scored the airline at 7.8/10.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Portland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Portland for you.
Can I find flights from Seattle to Portland with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Portland from Seattle with this policy.
How can momondo help me find flights from Seattle to Portland?
Once you have performed a search for Seattle to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Seattle to Portland right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.