Cheap flights from Seattle to Portland from $79
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 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to Portland
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Delta flights from Seattle to Portland
Our best Delta deals on Seattle to Portland flight tickets
Hawaiian Airlines flights from Seattle to Portland
Our best Hawaiian Airlines deals on Seattle to Portland flight tickets
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 cheapest month to fly to Portland?
The cheapest month to fly to Portland from Seattle is in October. Flight prices, which tend to average around $127, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in October, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $137.
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 Tuesday when prices can be found for as low as $341. 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 Sunday, with ticket prices averaging around $523.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $283. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $435 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
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from Seattle when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $183 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Seattle for as low as $88 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Portland flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Portland?
Delta, Alaska Airlines, and Spirit Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Portland
What airlines fly to Portland?
Alaska Airlines, Delta and Hawaiian Airlines 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 75% 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 June 2025, 76 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?
534 flights are operational weekly from Seattle to Portland as of June 2025. The most popular departure day for this route is Thu, with 16% 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
Is flying the fastest way to get from Seattle to Portland?
The quickest way is to book a flight from Seattle to Portland, which can be as quick as 0h 52m onboard Alaska Airlines. You can also get a train from Seattle to Portland, or a bus from Seattle to Portland which can take you longer to arrive at your destination.
Is flying the cheapest way to get from Seattle to Portland?
Planning to book a bus from Seattle to Portland can be a safe bet when looking for a low-cost deal to your destination. Currently, a flight and a train are priced higher than the cost of a bus. You can search prices for a flight from Seattle starting at $137 to Portland or a train from Seattle to Portland starting at $58 if that is your preferred method of transportation.
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 52m.
What is the carbon footprint of flying from Seattle/Tacoma Intl to Portland?
A flight from Seattle/Tacoma Intl to Portland will average about 150lb in carbon emissions. A CO2 sorter is available on momondo flight search results to filter for lower carbon footprint flight options. Choosing a train for this journey would reduce your carbon footprint from 150lb to 32lb - that is, by about 78%. By bus, this journey’s emissions can be cut to 20lb. This would result in a 87% smaller carbon footprint vs. flying.
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 June 2025.
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 737-900 Passenger/BBJ3 (winglets), representing 15.96% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 12.40%, Embraer 175 at 11.89%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 8.33%.
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 75% of the total bookings. Other popular airlines include Delta with 21% and Hawaiian Airlines with 4%.
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 $97 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $111 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 7.8 2,494 reviews |
Delta Flights From Seattle to Portland
The lowest priced Delta flight from Seattle to Portland from the last 72 hours was $97. Generally, Delta has 40 flights on this route every week with an average price of $171. Delta is rated 8.0/10 by our users.
Alaska Airlines Flights From Seattle to Portland
The best Alaska Airlines deal for Seattle to Portland flight tickets found on momondo in the last 72 hours was $111, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $190 round-trip. Alaska Airlines operates 68 flights out of Seattle into Portland in an average week, so prices vary by time and availability. 10,000 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
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.