Cheap flights from Raleigh to Seattle from $143

In general, February is the cheapest month to fly from Raleigh to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $241. If you don’t want to visit Seattle in February, then you should wait until January to fly from Raleigh, when ticket prices are also cheap, with an average price of $283.

On average, the least expensive day to fly to Seattle from Raleigh is on a Thursday. momondo users have found tickets for Thursday departures for as low as $490. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Raleigh because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $603.

Flying to Seattle from Raleigh in the morning is the least expensive time of day to depart. momondo users have found prices as low as $512 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $654. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Raleigh-Durham to Seattle/Tacoma Intl for the best Raleigh-Durham - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Raleigh for as low as $342 on momondo.

There are 4 cabin classes available to choose from on Raleigh to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 5% on your flight if you consider stops on a Raleigh to Seattle flight.

As of October 2026, prices for Raleigh to Seattle flights are approximately 22% more expensive when compared to flights at the same time last year.

United Airlines, Delta, and Southwest are the most popular carriers operating from Raleigh-Durham to Seattle/Tacoma Intl

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from Raleigh according to our data. Alaska Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 21% of momondo users choosing 1-stop flights on this route connected there.

Flights via Chicago (ORD) offer the lowest average round-trip price of $314.

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 7h 53m.

Philadelphia (PHL) has the shortest average layover time for this route: 1h 07m.

The number of flights available between Raleigh and Seattle is 3 per day as of October 2026. The most frequent departure time is 6:00AM, with 51% of daily flights leaving at noon.

As of October 2026, there are 27 flights per week flying from Raleigh to Seattle. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.