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Cheap flights from Raleigh to Seattle from $140

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 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Delta Logo
7:36 am - 10:42 am
RDU
-
SEA
6h 06mnonstop
Delta Logo
11:10 pm - 8:52 am
SEA
-
RDU
6h 42m1 stop
$209Delta
Thu, Feb 5 - Sun, Feb 8
Delta Logo
5:30 am - 10:42 am
RDU
-
SEA
8h 12m1 stop
Delta Logo
11:10 pm - 12:16 pm
SEA
-
RDU
10h 06m1 stop
$219Delta
Thu, Feb 5 - Mon, Feb 9
Alaska Airlines Logo
7:00 am - 10:05 am
RDU
-
SEA
6h 05mnonstop
Alaska Airlines Logo
9:17 pm - 5:40 am
SEA
-
RDU
5h 23mnonstop
$229Alaska Airlines
Fri, Mar 20 - Sun, Mar 22
Frontier Logo
6:10 am - 9:34 am
RDU
-
SEA
30h 24m2 stops
Frontier Logo
1:09 pm - 6:41 pm
SEA
-
RDU
26h 32m1 stop
$235Frontier
Sat, Feb 14 - Thu, Feb 19
United Airlines Logo
3:02 pm - 8:57 pm
RDU
-
SEA
8h 55m1 stop
United Airlines Logo
12:25 pm - 11:15 pm
SEA
-
RDU
7h 50m1 stop
$237United Airlines
Tue, Jan 6 - Tue, Jan 13
Frontier Logo
7:36 pm - 12:30 pm
RDU
-
SEA
19h 54m1 stop
Frontier Logo
2:49 pm - 6:41 pm
SEA
-
RDU
24h 52m1 stop
$239Frontier
Wed, Dec 24 - Sat, Jan 10
United Airlines Logo
10:20 am - 6:14 pm
RDU
-
SEA
10h 54m2 stops
United Airlines Logo
5:00 am - 3:05 pm
SEA
-
RDU
7h 05m1 stop
$242United Airlines
Wed, Jan 7 - Wed, Jan 14
Delta Logo
7:36 am - 10:42 am
RDU
-
SEA
6h 06mnonstop
Delta Logo
3:55 pm - 11:47 pm
SEA
-
RDU
4h 52mnonstop
$243Delta
Mon, Feb 16 - Sun, Feb 22
Alaska Airlines Logo
7:05 pm - 10:04 pm
RDU
-
SEA
5h 59mnonstop
Alaska Airlines Logo
10:00 am - 6:04 pm
SEA
-
RDU
5h 04mnonstop
$247Alaska Airlines
Tue, Jan 6 - Sat, Jan 10
Delta Logo
7:36 am - 10:42 am
RDU
-
SEA
6h 06mnonstop
Delta Logo
6:15 am - 3:55 pm
SEA
-
RDU
6h 40m1 stop
$249Delta
Tue, Jan 6 - Tue, Jan 13

American Airlines flights from Raleigh to Seattle

Our best American Airlines deals on Raleigh to Seattle flight tickets
American Airlines
Jan 7
RDU6:07 amRaleigh-Durham
10h 55m
1 stop
SEA2:02 pmSeattle/Tacoma Intl
Feb 28
SEA11:18 pmSeattle/Tacoma Intl
9h 33m
1 stop
RDU11:51 amRaleigh-Durham
$266
Find similar
American Airlines
Feb 13
RDU1:09 pmRaleigh-Durham
10h 59m
1 stop
SEA9:08 pmSeattle/Tacoma Intl
Feb 16
SEA11:18 pmSeattle/Tacoma Intl
9h 33m
1 stop
RDU11:51 amRaleigh-Durham
$274
Find similar
American Airlines
Jan 5
RDU6:00 amRaleigh-Durham
11h 02m
1 stop
SEA2:02 pmSeattle/Tacoma Intl
Jan 6
SEA7:00 amSeattle/Tacoma Intl
8h 45m
1 stop
RDU6:45 pmRaleigh-Durham
$303
Find similar

Southwest flights from Raleigh to Seattle

Our best Southwest deals on Raleigh to Seattle flight tickets
Southwest
Jan 7
RDU2:25 pmRaleigh-Durham
11h 40m
2 stops
SEA11:05 pmSeattle/Tacoma Intl
Jan 14
SEA6:05 amSeattle/Tacoma Intl
11h 30m
2 stops
RDU8:35 pmRaleigh-Durham
$269
Find similar
Southwest
Jan 7
RDU2:25 pmRaleigh-Durham
11h 40m
2 stops
SEA11:05 pmSeattle/Tacoma Intl
Feb 28
SEA6:50 amSeattle/Tacoma Intl
11h 15m
2 stops
RDU9:05 pmRaleigh-Durham
$297
Find similar
Southwest
Feb 20
RDU6:20 pmRaleigh-Durham
8h 50m
1 stop
SEA12:10 amSeattle/Tacoma Intl
Feb 23
SEA5:15 amSeattle/Tacoma Intl
9h 10m
2 stops
RDU5:25 pmRaleigh-Durham
$308
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 December 9, 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 2/5

7:36 am-10:42 am

Nonstop6h 06m

Seattle/Tacoma Intl

Sun 2/8

11:10 pm-8:52 am

1 stop6h 42m

$209

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 2/5

5:30 am-10:42 am

1 stop8h 12m

Seattle/Tacoma Intl

Mon 2/9

11:10 pm-12:16 pm

1 stop10h 06m

$219

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 3/20

7:00 am-10:05 am

Nonstop6h 05m

Seattle/Tacoma Intl

Sun 3/22

9:17 pm-5:40 am

Nonstop5h 23m

$229

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 2/14

6:10 am-9:34 am

2 stops30h 24m

Seattle/Tacoma Intl

Thu 2/19

1:09 pm-6:41 pm

1 stop26h 32m

$235

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 1/6

3:02 pm-8:57 pm

1 stop8h 55m

Seattle/Tacoma Intl

Tue 1/13

12:25 pm-11:15 pm

1 stop7h 50m

$237

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 12/24

7:36 pm-12:30 pm

1 stop19h 54m

Seattle/Tacoma Intl

Sat 1/10

2:49 pm-6:41 pm

1 stop24h 52m

$239

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 1/7

10:20 am-6:14 pm

2 stops10h 54m

Seattle/Tacoma Intl

Wed 1/14

5:00 am-3:05 pm

1 stop7h 05m

$242

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Mon 2/16

7:36 am-10:42 am

Nonstop6h 06m

Seattle/Tacoma Intl

Sun 2/22

3:55 pm-11:47 pm

Nonstop4h 52m

$243

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 1/6

7:05 pm-10:04 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Sat 1/10

10:00 am-6:04 pm

Nonstop5h 04m

$247

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 1/6

7:36 am-10:42 am

Nonstop6h 06m

Seattle/Tacoma Intl

Tue 1/13

6:15 am-3:55 pm

1 stop6h 40m

$249

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 $295. 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 $480. 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 $557.

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 $653. 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 $382 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 14% 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 December 2025, prices for Raleigh to Seattle flights are approximately 4% cheaper 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

$273

Fastest flight time

5h 59m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Raleigh in the past 72 hours is $273. The best round-trip flight deal from Raleigh to Seattle found on momondo in the last 72 hours is $366.
The fastest flight from Raleigh to Seattle takes 5h 59m
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
Hawaiian AirlinesPriceFrom $151Free CancellationRating
7.8
2,818 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $157Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
DeltaPriceFrom $195Free CancellationRating
7.9
8,009 reviews
Search Delta flights
SouthwestPriceFrom $214Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,090 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
11,423 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
11,045 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 $256. Generally, Alaska Airlines has 4 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, 8,009 ratings). Delta flies from Raleigh to Seattle around 7 times per week, with deals starting from $195 round-trip and rising to an average price of around $416.

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
Puyallup
Marysville
Redmond
Tukwila
Cle Elum
Federal Way
Lakewood
Fife
Westport
Kirkland
Centralia
Shoreline

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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