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Cheap flights from Raleigh to Seattle from $88

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 12/14. 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

Enter your travel dates to find the best prices.
United Airlines Logo
8:00 am - 1:54 pmRDU-SEA
8h 54m1 stop
United Airlines Logo
5:05 am - 3:11 pmSEA-RDU
7h 06m1 stop
$232United Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 11
Alaska Airlines Logo
5:20 pm - 8:15 pmRDU-SEA
5h 55mnonstop
Alaska Airlines Logo
8:10 am - 4:26 pmSEA-RDU
5h 16mnonstop
$237Alaska Airlines
Find Deal
Thu, Feb 26 - Sun, Mar 1
United Airlines Logo
6:30 am - 1:54 pmRDU-SEA
10h 24m2 stops
United Airlines Logo
5:00 am - 3:11 pmSEA-RDU
7h 11m1 stop
$238United Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
Delta Logo
7:30 am - 10:40 amRDU-SEA
6h 10mnonstop
Delta Logo
3:50 pm - 11:48 pmSEA-RDU
4h 58mnonstop
$239Delta
Find Deal
Wed, Mar 4 - Wed, Mar 11
Delta Logo
7:30 am - 10:40 amRDU-SEA
6h 10mnonstop
Delta Logo
9:30 pm - 8:49 amSEA-RDU
8h 19m1 stop
$249Delta
Find Deal
Wed, Mar 4 - Tue, Mar 10
Frontier Logo
6:26 pm - 11:53 amRDU-SEA
20h 27m1 stop
Frontier Logo
12:48 pm - 11:58 amSEA-RDU
20h 10m2 stops
$253Frontier
Find Deal
Thu, Dec 11 - Sun, Dec 14
Frontier Logo
5:20 pm - 11:56 amRDU-SEA
21h 36m1 stop
Frontier Logo
9:53 pm - 7:19 pmSEA-RDU
42h 26m2 stops
$272Frontier
Find Deal
Thu, Nov 20 - Mon, Dec 1
Hawaiian Airlines Logo
6:14 pm - 9:21 pmRDU-SEA
6h 07mnonstop
Hawaiian Airlines Logo
9:37 pm - 5:40 amSEA-RDU
5h 03mnonstop
$276Hawaiian Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
6:00 am - 11:40 amRDU-SEA
8h 40m1 stop
American Airlines Logo
12:59 am - 12:31 pmSEA-RDU
8h 32m1 stop
$297American Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
American Airlines Logo
2:46 pm - 11:07 pmRDU-SEA
11h 21m1 stop
American Airlines Logo
1:35 am - 1:29 pmSEA-RDU
8h 54m1 stop
$311American Airlines
Find Deal
Sun, Feb 15 - Tue, Feb 17

Frontier flights from Raleigh to Seattle

Our best Frontier deals on Raleigh to Seattle flight tickets
Frontier
Dec 11
RDU6:26 pmRaleigh-Durham
20h 27m
1 stop
SEA11:53 amSeattle/Tacoma Intl
Dec 14
SEA12:48 pmSeattle/Tacoma Intl
20h 10m
2 stops
RDU11:58 amRaleigh-Durham
$253
Find similar
Frontier
Oct 25
RDU5:59 pmRaleigh-Durham
16h 34m
1 stop
SEA7:33 amSeattle/Tacoma Intl
Nov 1
SEA12:58 pmSeattle/Tacoma Intl
25h 38m
1 stop
RDU5:36 pmRaleigh-Durham
$255
Find similar
Frontier
Nov 20
RDU5:20 pmRaleigh-Durham
21h 36m
1 stop
SEA11:56 amSeattle/Tacoma Intl
Dec 1
SEA9:53 pmSeattle/Tacoma Intl
42h 26m
2 stops
RDU7:19 pmRaleigh-Durham
$272
Find similar

United Airlines flights from Raleigh to Seattle

Our best United Airlines deals on Raleigh to Seattle flight tickets
United Airlines
Nov 8
RDU8:00 amRaleigh-Durham
8h 54m
1 stop
SEA1:54 pmSeattle/Tacoma Intl
Nov 11
SEA5:05 amSeattle/Tacoma Intl
7h 06m
1 stop
RDU3:11 pmRaleigh-Durham
$232
Find similar
United Airlines
Nov 8
RDU6:30 amRaleigh-Durham
10h 24m
2 stops
SEA1:54 pmSeattle/Tacoma Intl
Nov 12
SEA5:00 amSeattle/Tacoma Intl
7h 11m
1 stop
RDU3:11 pmRaleigh-Durham
$238
Find similar
United Airlines
Dec 12
RDU5:26 pmRaleigh-Durham
8h 02m
1 stop
SEA10:28 pmSeattle/Tacoma Intl
Dec 16
SEA7:00 amSeattle/Tacoma Intl
8h 01m
1 stop
RDU6:01 pmRaleigh-Durham
$242
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 October 20, 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

Sat 11/8

8:00 am-1:54 pm

1 stop8h 54m

Seattle/Tacoma Intl

Tue 11/11

5:05 am-3:11 pm

1 stop7h 06m

$232

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 2/26

5:20 pm-8:15 pm

Nonstop5h 55m

Seattle/Tacoma Intl

Sun 3/1

8:10 am-4:26 pm

Nonstop5h 16m

$237

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 11/8

6:30 am-1:54 pm

2 stops10h 24m

Seattle/Tacoma Intl

Wed 11/12

5:00 am-3:11 pm

1 stop7h 11m

$238

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 3/4

7:30 am-10:40 am

Nonstop6h 10m

Seattle/Tacoma Intl

Wed 3/11

3:50 pm-11:48 pm

Nonstop4h 58m

$239

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 3/4

7:30 am-10:40 am

Nonstop6h 10m

Seattle/Tacoma Intl

Tue 3/10

9:30 pm-8:49 am

1 stop8h 19m

$249

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 12/11

6:26 pm-11:53 am

1 stop20h 27m

Seattle/Tacoma Intl

Sun 12/14

12:48 pm-11:58 am

2 stops20h 10m

$253

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 11/20

5:20 pm-11:56 am

1 stop21h 36m

Seattle/Tacoma Intl

Mon 12/1

9:53 pm-7:19 pm

2 stops42h 26m

$272

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 11/15

6:14 pm-9:21 pm

Nonstop6h 07m

Seattle/Tacoma Intl

Sat 11/22

9:37 pm-5:40 am

Nonstop5h 03m

$276

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 11/12

6:00 am-11:40 am

1 stop8h 40m

Seattle/Tacoma Intl

Sat 11/15

12:59 am-12:31 pm

1 stop8h 32m

$297

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sun 2/15

2:46 pm-11:07 pm

1 stop11h 21m

Seattle/Tacoma Intl

Tue 2/17

1:35 am-1:29 pm

1 stop8h 54m

$311

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 $314. 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 $337.

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 $479. 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 $578.

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 $386 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 $325 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 15% 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 October 2025, prices for Raleigh to Seattle flights are approximately 6% 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

$176

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Raleigh in the past 72 hours is $176. The best round-trip flight deal from Raleigh to Seattle found on momondo in the last 72 hours is $359.
The fastest flight from Raleigh to Seattle takes 5h 55m
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 55m 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 $135Free CancellationRating
5.8
3,130 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $151Free CancellationRating
7.8
2,785 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $188Free CancellationRating
7.4
8,993 reviews
Search United Airlines flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,976 reviews
Search Delta flights
Alaska AirlinesPriceFrom $264Free CancellationRating
8.0
11,134 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
11,026 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 $264. Generally, Alaska Airlines has 5 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, 7,976 ratings). Delta flies from Raleigh to Seattle around 7 times per week, with deals starting from $228 round-trip and rising to an average price of around $413.

Traveling to a place near Seattle?

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