Cheap Flights from Raleigh / Durham (RDU) to Seattle (SEAA)

Compare Raleigh / Durham to Seattle flight deals

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Flight deals from Raleigh / Durham to Seattle

Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham Airport to Seattle? If you want to travel next month, return fares start from £143. Find the lowest prices on one-way and return tickets right here.

Seattle.£64 per passenger.Departing Mon, 4 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Mon, 4 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £64, select.

Seattle.£64 per passenger.Departing Thu, 30 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Thu, 30 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £64, select.

Seattle.£97 per passenger.Departing Mon, 1 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Mon, 1 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £97, select.

Seattle.£112 per passenger.Departing Wed, 29 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Wed, 29 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £112, select.

Seattle.£118 per passenger.Departing Sat, 15 Aug.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Raleigh / Durham on Sat, 15 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £118, select.

Seattle.£120 per passenger.Departing Wed, 14 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Raleigh / Durham on Wed, 14 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £120, select.

Seattle.£125 per passenger.Departing Sat, 15 Aug.One-way flight with Delta.Outbound direct flight with Delta departs from Raleigh / Durham on Sat, 15 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £125, select.

Seattle.£127 per passenger.Departing Wed, 14 Oct.One-way flight with Delta.Outbound direct flight with Delta departs from Raleigh / Durham on Wed, 14 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £127, select.

Seattle.£133 per passenger.Departing Tue, 5 May.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Raleigh / Durham on Tue, 5 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £133, select.

Seattle.£136 per passenger.Departing Wed, 22 Jul.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Raleigh / Durham on Wed, 22 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £136, select.

Seattle.£155 per passenger.Departing Fri, 4 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Raleigh / Durham on Fri, 4 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £155, select.

Seattle.£155 per passenger.Departing Thu, 30 Apr.One-way flight with Delta.Outbound direct flight with Delta departs from Raleigh / Durham on Thu, 30 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £155, select.

Seattle.£170 per passenger.Departing Mon, 1 Jun.One-way flight with Delta.Outbound direct flight with Delta departs from Raleigh / Durham on Mon, 1 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £170, select.

Seattle.£171 per passenger.Departing Fri, 4 Sep.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Raleigh / Durham on Fri, 4 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £171, select.

Find the cheapest month to fly from Raleigh / Durham to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to Seattle flights are currently cheapest in April.

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Direct flights from Raleigh / Durham to Seattle

Alternative Raleigh / Durham to Seattle routes

Looking for the cheapest, fastest or easiest route from Raleigh / Durham to Seattle? You could fly into the following airports instead.

Durham to Seattle: Flight information

The things to know before you go.

Cheapest flight found	£64
Cheapest month to fly	April
Average flight time	5 hrs, 56 mins
Most popular airline	Alaska Airlines
Average flights per week	116

Finding cheap flights from Raleigh / Durham to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are return flights from Raleigh / Durham to Seattle?

The best price we found for a return flight from Raleigh / Durham to Seattle is £140. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Raleigh / Durham to Seattle?

5 hours and 56 minutes is the average flight time from Raleigh / Durham to Seattle.

Which airlines fly direct from Raleigh / Durham to Seattle?

Alaska Airlines, Delta and Korean Air fly direct from Raleigh / Durham to Seattle.

How many flights are there a week from Raleigh / Durham to Seattle?

As of April 2026, there are 58 flights per week flying from Raleigh / Durham to Seattle.

When is the cheapest time to fly from Raleigh / Durham to Seattle?

The cheapest month to fly from Raleigh / Durham to Seattle is usually April.

Which is the cheapest airport to fly into in Seattle?

If you're flying from Raleigh / Durham Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 12.1 miles away from the centre of Seattle. We've found flights into this airport from £140.

Which upcoming date is cheapest to fly from Raleigh / Durham Airport to Seattle on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Seattle on Wednesday, 29 April 2026.

Can I get a direct flight from Raleigh / Durham Airport to Seattle?

Yes – the average flight time is 5 hours and 56 minutes.

How can I get the best flight deal from Raleigh / Durham Airport to Seattle?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Seattle?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Seattle?

In April, the average temperature is usually around 8°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.

Which is the cheapest airline to fly from Raleigh / Durham Airport to Seattle with?

Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Seattle.

Flying from Raleigh-Durham International Airport (RDU) to Seattle: what you need to know

Expect to be in the air for 5 hours 5 minutes. On average, that's the time it takes for a direct flight from Raleigh-Durham International Airport to Seattle.
The timezone in Seattle is UTC-8. The city is three hours behind Durham, where Raleigh-Durham International Airport is located.
The most popular route is from Raleigh-Durham International Airport (RDU) to Seattle-Tacoma International Airport (SEA). There are 17 services every week between these two airports. If you want to get on your way as soon as you can, the earliest flight from RDU to SEA is the 07:10 Delta Air Lines service. If you'd rather fly out later on, the last departure is at 18:05 with Alaska Airlines.
Allow plenty of time to catch your RDU to Seattle flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.
You'll likely experience longer lines in popular months like June. Arriving up to four hours ahead of international flights and two hours for domestic departures is a smart move.
Begin your trip at RDU and fly nonstop to Seattle-Tacoma International Airport (SEA). That's where you can expect to touch down when searching for Raleigh-Durham International Airport to Seattle tickets.
Alaska Airlines is a well-known airline that offers direct flights from Raleigh-Durham International Airport to Seattle.
RDU is about 16 kms (10 miles) from central Durham. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the travel time to be around 45 minutes.
Want a hassle-free start to your trip? Stay near RDU. Whether you're catching an early flight from Raleigh-Durham International Airport to Seattle or just don't want to be rushed, these hotels are a convenient choice:
When it comes to Raleigh-Durham International Airport's on-time performance, 78% of flights arrive within the expected time frame.

How to find the cheapest flights from Raleigh-Durham International Airport (RDU) to Seattle

£64 is the lowest price we've found for a one-way Raleigh-Durham International Airport to Seattle flight. A round-trip plane ticket right now is £140. Depending on when and how early you book, these fares could change.
Book one month before your departure date. Research on pricing trends suggests this is the ideal window for finding cheap flights from RDU to Seattle.
June is the best month for scoring an incredible deal on Raleigh-Durham International Airport to Seattle tickets. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.
You don't need to check in daily to see if fares have dropped when you create a Price Alert. We'll let you know when there's an even better deal on cheap flights from RDU to Seattle.
Select your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Raleigh-Durham International Airport to Seattle by 'Fastest,' 'Cheapest' or 'Best.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kms (14 miles). It takes about 25 minutes to get to the centre driving.
If you're travelling on public transport, expect a journey time of around 35 minutes.
The last thing you want is a long journey to your hotel if you're arriving on a late flight from Raleigh-Durham International Airport to Seattle. Book one of these accommodation options near SEA instead:
Reserving your vehicle from Seattle-Tacoma International Airport around one week ahead of your flight from RDU to Seattle can help you lock in the lowest rate.

Seattle Paine Field International Airport (PAE)

Seattle Paine Field International Airport (PAE) is roughly 40 kms (25 miles) from the centre of Seattle. Once you've hopped off your flight from Raleigh-Durham International Airport to Seattle, it'll take you around 40 minutes to reach the heart of the city in a ride-share or taxi.
Public transport will get you there in around 1 hour 30 minutes.
Following your RDU to Seattle flight, unwind at a hotel close to PAE. These are some comfortable accommodation options that'll help you slip into relaxation mode:
Get the vehicle you prefer, not just whatever's left, by booking your ride from PAE ahead of time. You'll also avoid paying more than you have to, especially during peak travel times.

King County International Airport (BFI)

Head to the city centre after your flight from Raleigh-Durham International Airport to Seattle has arrived. Central Seattle is about 11 kms (7 miles) from King County International Airport (BFI) and takes roughly 20 minutes to reach by car.
If you're using public transport, expect a journey of around 35 minutes.
Reserve a hotel close to BFI and get from baggage claim to your bed in a snap. Whether you're coming in on a late RDU to Seattle flight or just want a stress-free arrival, these accommodation options offer a quick route to a good night's sleep:
Booking a couple of weeks in advance of your flight from Raleigh-Durham International Airport to Seattle is a good move. As well as better deals, you'll likely have a better variety of makes and models to choose from at BFI.

Best time to go to Seattle

It's time to pick your trip dates for your flight from Raleigh-Durham International Airport to Seattle. July is the busiest month for a trip to Seattle. If you want a quieter atmosphere, go in December.
The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Book your Raleigh-Durham International Airport to Seattle plane ticket then if this is the type of weather you enjoy.
If you want to travel in cooler conditions, search for a cheap ticket from RDU to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

Once you've booked your flight from Raleigh-Durham International Airport to Seattle, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Seattle:
Pike Place Market and Space Needle are a couple of top attractions to add to your Seattle itinerary. Keep the adventure rolling by checking out Seattle Skyline.

Explore more of the United States

You've done Seattle, now it's time to discover more of the United States. Journey around 241 kms (150 miles) south to Portland to check off its must-visit sights. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, your itinerary will be busy.
If there's time to check out another major destination in the United States, consider Spokane, roughly 370 kms (230 miles) east of Seattle. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are highlights.