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Cheap flights from Raleigh to Seattle from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to Seattle departing on 10/18. 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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0 bags

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Find the cheapest flights from Raleigh to Seattle

Cheap round-trip flights

Frontier Logo
5:20 pm - 10:56 amRDU-SEA
20h 36m1 stop
Frontier Logo
7:05 pm - 4:25 pmSEA-RDU
18h 20m1 stop
$190Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
5:23 pm - 12:30 amRDU-SEA
10h 07m1 stop
Frontier Logo
6:12 am - 4:28 pmSEA-RDU
7h 16m1 stop
$205Frontier
Find Deal
Fri, Sep 26 - Fri, Oct 3
Frontier Logo
5:21 pm - 12:13 pmRDU-SEA
21h 52m1 stop
Frontier Logo
1:08 pm - 4:36 pmSEA-RDU
24h 28m1 stop
$206Frontier
Find Deal
Thu, Oct 30 - Thu, Nov 6
Delta Logo
7:15 am - 10:14 amRDU-SEA
5h 59mnonstop
Delta Logo
3:50 pm - 11:48 pmSEA-RDU
4h 58mnonstop
$217Delta
Find Deal
Fri, Oct 24 - Thu, Oct 30
Delta Logo
5:44 am - 10:33 amRDU-SEA
7h 49m1 stop
Delta Logo
3:50 pm - 11:48 pmSEA-RDU
4h 58mnonstop
$227Delta
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
5:10 pm - 11:15 pmRDU-SEA
9h 05m1 stop
United Airlines Logo
5:00 am - 3:21 pmSEA-RDU
7h 21m1 stop
$252United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
United Airlines Logo
3:09 pm - 10:30 pmRDU-SEA
10h 21m2 stops
United Airlines Logo
5:00 am - 3:21 pmSEA-RDU
7h 21m1 stop
$258United Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
Southwest Logo
4:45 pm - 11:45 pmRDU-SEA
10h 00m2 stops
Southwest Logo
9:35 am - 10:05 pmSEA-RDU
9h 30m1 stop
$262Southwest
Find Deal
Wed, Oct 29 - Tue, Nov 4
Southwest Logo
6:00 am - 1:15 pmRDU-SEA
10h 15m1 stop
Southwest Logo
6:05 am - 3:50 pmSEA-RDU
6h 45m1 stop
$267Southwest
Find Deal
Wed, Jan 21 - Thu, Jan 29
American Airlines Logo
7:00 am - 12:40 pmRDU-SEA
8h 40m1 stop
American Airlines Logo
12:59 am - 12:40 pmSEA-RDU
8h 41m1 stop
$278American Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 7

United Airlines flights from Raleigh to Seattle

Our best United Airlines deals on Raleigh to Seattle flight tickets
United Airlines
Oct 11
RDU5:10 pmRaleigh-Durham
9h 05m
1 stop
SEA11:15 pmSeattle/Tacoma Intl
Oct 18
SEA5:00 amSeattle/Tacoma Intl
7h 21m
1 stop
RDU3:21 pmRaleigh-Durham
$252
Find similar
United Airlines
Oct 21
RDU3:09 pmRaleigh-Durham
10h 21m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Oct 25
SEA5:00 amSeattle/Tacoma Intl
7h 21m
1 stop
RDU3:21 pmRaleigh-Durham
$258
Find similar
United Airlines
Oct 7
RDU3:09 pmRaleigh-Durham
10h 21m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Oct 31
SEA11:59 pmSeattle/Tacoma Intl
7h 15m
1 stop
RDU10:14 amRaleigh-Durham
$272
Find similar

Delta flights from Raleigh to Seattle

Our best Delta deals on Raleigh to Seattle flight tickets
Delta
Oct 24
RDU7:15 amRaleigh-Durham
5h 59m
SEA10:14 amSeattle/Tacoma Intl
Oct 30
SEA3:50 pmSeattle/Tacoma Intl
4h 58m
RDU11:48 pmRaleigh-Durham
$217
Find similar
Delta
Oct 14
RDU5:44 amRaleigh-Durham
7h 49m
1 stop
SEA10:33 amSeattle/Tacoma Intl
Oct 21
SEA3:50 pmSeattle/Tacoma Intl
4h 58m
RDU11:48 pmRaleigh-Durham
$227
Find similar
Delta
Oct 14
RDU7:45 amRaleigh-Durham
12h 09m
1 stop
SEA4:54 pmSeattle/Tacoma Intl
Oct 21
SEA6:00 amSeattle/Tacoma Intl
9h 01m
1 stop
RDU6:01 pmRaleigh-Durham
$237
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Raleigh to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Raleigh to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 12/4

5:20 pm-10:56 am

1 stop20h 36m

Seattle/Tacoma Intl

Sun 12/7

7:05 pm-4:25 pm

1 stop18h 20m

$190

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 9/26

5:23 pm-12:30 am

1 stop10h 07m

Seattle/Tacoma Intl

Fri 10/3

6:12 am-4:28 pm

1 stop7h 16m

$205

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 10/30

5:21 pm-12:13 pm

1 stop21h 52m

Seattle/Tacoma Intl

Thu 11/6

1:08 pm-4:36 pm

1 stop24h 28m

$206

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 10/24

7:15 am-10:14 am

Nonstop5h 59m

Seattle/Tacoma Intl

Thu 10/30

3:50 pm-11:48 pm

Nonstop4h 58m

$217

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 10/14

5:44 am-10:33 am

1 stop7h 49m

Seattle/Tacoma Intl

Tue 10/21

3:50 pm-11:48 pm

Nonstop4h 58m

$227

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 10/11

5:10 pm-11:15 pm

1 stop9h 05m

Seattle/Tacoma Intl

Sat 10/18

5:00 am-3:21 pm

1 stop7h 21m

$252

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 10/21

3:09 pm-10:30 pm

2 stops10h 21m

Seattle/Tacoma Intl

Sat 10/25

5:00 am-3:21 pm

1 stop7h 21m

$258

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 10/29

4:45 pm-11:45 pm

2 stops10h 00m

Seattle/Tacoma Intl

Tue 11/4

9:35 am-10:05 pm

1 stop9h 30m

$262

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 1/21

6:00 am-1:15 pm

1 stop10h 15m

Seattle/Tacoma Intl

Thu 1/29

6:05 am-3:50 pm

1 stop6h 45m

$267

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 11/1

7:00 am-12:40 pm

1 stop8h 40m

Seattle/Tacoma Intl

Fri 11/7

12:59 am-12:40 pm

1 stop8h 41m

$278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Raleigh to Seattle

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 Seattle?

In general, January 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 $306. If you don’t want to visit Seattle in January, then you should wait until February to fly from Raleigh, when ticket prices are also cheap, with an average price of $327.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Raleigh is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $478. 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 $568.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Raleigh at noon is the least expensive time of day to depart. momondo users have found prices as low as $413 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $1,079. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Raleigh-Durham to Seattle/Tacoma Intl flight route?

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

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

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 $385 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 $332 on momondo.

What cabin class options are available on Raleigh-Durham to Seattle/Tacoma Intl flights?

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

Can stopping save me money on Raleigh to Seattle flights?

You could potentially save up to 2% on your flight if you consider stops on a Raleigh to Seattle flight.

How have Raleigh to Seattle flight prices changed over time?

As of September 2025, prices for Raleigh to Seattle flights are approximately 48% more expensive when compared to flights at the same time last year.

When to book flights from Raleigh to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Raleigh to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Raleigh to Seattle (RDU to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Raleigh to Seattle

Best Price Found

$226

Fastest flight time

5h 49m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Raleigh in the past 72 hours is $226. The best round-trip flight deal from Raleigh to Seattle found on momondo in the last 72 hours is $321.
The fastest flight from Raleigh to Seattle takes 5h 49m
Direct flights go from Raleigh to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Raleigh-Durham to Seattle/Tacoma Intl by plane?

    The straight-line distance from Raleigh-Durham to Seattle/Tacoma Intl is 2360.6 mi. Typically, this will take 5h 59m by plane in normal conditions.

  • When did momondo last update prices for flights from Raleigh-Durham Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Raleigh-Durham Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Raleigh-Durham Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Raleigh-Durham Airport to Seattle/Tacoma Intl 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 Raleigh-Durham Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Raleigh to Seattle?

  • What is the most popular airline from Raleigh to Seattle?

Best airlines flying from Raleigh to Seattle

Compare and see reviews for airlines that fly from Raleigh to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $129Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $151Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $178Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $230Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Alaska AirlinesPriceFrom $269Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Raleigh to Seattle

    The lowest priced Alaska Airlines flight from Raleigh to Seattle from the last 72 hours was $269. Generally, Alaska Airlines has 2 flights on this route every week with an average price of $448. Alaska Airlines is rated 8.0/10 by our users.

  • Delta Flights From Raleigh to Seattle

    Another popular option for Raleigh to Seattle flights is Delta (7.9/10, 7,957 ratings). Delta flies from Raleigh to Seattle around 7 times per week, with deals starting from $230 round-trip and rising to an average price of around $415.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Raleigh to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Raleigh to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Raleigh to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Raleigh with this policy.

How can momondo help me find flights from Raleigh to Seattle?

Once you have performed a search for Raleigh to Seattle 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 Raleigh to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Raleigh to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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