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Cheap flights from Raleigh to Seattle from $90

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 2/28. 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.
Frontier Logo
9:59 pm - 3:05 pm
RDU
-
SEA
20h 06m
1 stop
Frontier Logo
4:20 pm - 5:05 pm
SEA
-
RDU
21h 45m
1 stop
$191Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
9:59 pm - 3:05 pm
RDU
-
SEA
20h 06m
1 stop
Frontier Logo
6:57 pm - 9:04 pm
SEA
-
RDU
23h 07m
1 stop
$201Frontier
Thu, Apr 23 - Thu, Apr 30
Frontier Logo
5:11 pm - 10:55 am
RDU
-
SEA
20h 44m
1 stop
Frontier Logo
1:16 pm - 5:48 pm
SEA
-
RDU
25h 32m
1 stop
$204Frontier
Sat, Feb 28 - Thu, Mar 5
Frontier Logo
4:55 pm - 10:55 am
RDU
-
SEA
21h 00m
1 stop
Frontier Logo
1:16 pm - 1:51 pm
SEA
-
RDU
21h 35m
1 stop
$206Frontier
Thu, Feb 12 - Thu, Feb 26
Frontier Logo
5:55 pm - 9:27 am
RDU
-
SEA
18h 32m
1 stop
Frontier Logo
4:20 pm - 5:05 pm
SEA
-
RDU
21h 45m
1 stop
$212Frontier
Wed, Apr 22 - Mon, Apr 27
Frontier Logo
9:59 pm - 9:27 am
RDU
-
SEA
14h 28m
1 stop
Frontier Logo
4:20 pm - 9:04 pm
SEA
-
RDU
25h 44m
1 stop
$215Frontier
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
4:55 pm - 10:55 am
RDU
-
SEA
21h 00m
1 stop
Frontier Logo
1:16 pm - 1:51 pm
SEA
-
RDU
21h 35m
1 stop
$226Frontier
Thu, Feb 12 - Thu, Feb 26
Hawaiian Airlines Logo
6:01 pm - 9:05 pm
RDU
-
SEA
6h 04mnonstop
Hawaiian Airlines Logo
8:55 am - 5:01 pm
SEA
-
RDU
5h 06mnonstop
$229Hawaiian Airlines
Sat, Mar 21 - Sat, Mar 28
Multiple Airlines Logo
9:59 pm - 9:27 am
RDU
-
SEA
14h 28m
1 stop
Multiple Airlines Logo
7:40 pm - 6:08 pm
SEA
-
RDU
19h 28m
1 stop
$230Multiple Airlines
Sat, Apr 18 - Wed, Apr 22
Frontier Logo
9:59 pm - 3:05 pm
RDU
-
SEA
20h 06m
1 stop
Frontier Logo
4:20 pm - 5:05 pm
SEA
-
RDU
21h 45m
1 stop
$231Frontier
Thu, Apr 16 - Mon, Apr 20

Frontier flights from Raleigh to Seattle

Our best Frontier deals on Raleigh to Seattle flight tickets
Frontier
Apr 16
RDU9:59 pmRaleigh-Durham
20h 06m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Apr 20
SEA4:20 pmSeattle/Tacoma Intl
21h 45m
1 stop
RDU5:05 pmRaleigh-Durham
$191
Frontier
Apr 23
RDU9:59 pmRaleigh-Durham
20h 06m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
Apr 30
SEA6:57 pmSeattle/Tacoma Intl
23h 07m
1 stop
RDU9:04 pmRaleigh-Durham
$201
Frontier
Feb 28
RDU5:11 pmRaleigh-Durham
20h 44m
1 stop
SEA10:55 amSeattle/Tacoma Intl
Mar 5
SEA1:16 pmSeattle/Tacoma Intl
25h 32m
1 stop
RDU5:48 pmRaleigh-Durham
$204

Alaska Airlines flights from Raleigh to Seattle

Our best Alaska Airlines deals on Raleigh to Seattle flight tickets
Alaska Airlines
May 6
RDU7:08 pmRaleigh-Durham
5h 55m
SEA10:03 pmSeattle/Tacoma Intl
May 15
SEA10:10 amSeattle/Tacoma Intl
5h 16m
RDU6:26 pmRaleigh-Durham
$247
Alaska Airlines
Apr 9
RDU7:35 amRaleigh-Durham
6h 05m
SEA10:40 amSeattle/Tacoma Intl
May 10
SEA9:56 pmSeattle/Tacoma Intl
5h 14m
RDU6:10 amRaleigh-Durham
$257
Alaska Airlines
May 7
RDU7:30 amRaleigh-Durham
5h 57m
SEA10:27 amSeattle/Tacoma Intl
May 19
SEA10:10 amSeattle/Tacoma Intl
5h 16m
RDU6:26 pmRaleigh-Durham
$267

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 January 29, 2026.
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 4/16

9:59 pm-3:05 pm

1 stop20h 06m

Seattle/Tacoma Intl

Mon 4/20

4:20 pm-5:05 pm

1 stop21h 45m

$191

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 4/23

9:59 pm-3:05 pm

1 stop20h 06m

Seattle/Tacoma Intl

Thu 4/30

6:57 pm-9:04 pm

1 stop23h 07m

$201

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 2/28

5:11 pm-10:55 am

1 stop20h 44m

Seattle/Tacoma Intl

Thu 3/5

1:16 pm-5:48 pm

1 stop25h 32m

$204

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 2/12

4:55 pm-10:55 am

1 stop21h 00m

Seattle/Tacoma Intl

Thu 2/26

1:16 pm-1:51 pm

1 stop21h 35m

$206

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 4/22

5:55 pm-9:27 am

1 stop18h 32m

Seattle/Tacoma Intl

Mon 4/27

4:20 pm-5:05 pm

1 stop21h 45m

$212

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 4/16

9:59 pm-9:27 am

1 stop14h 28m

Seattle/Tacoma Intl

Sun 4/19

4:20 pm-9:04 pm

1 stop25h 44m

$215

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 2/12

4:55 pm-10:55 am

1 stop21h 00m

Seattle/Tacoma Intl

Thu 2/26

1:16 pm-1:51 pm

1 stop21h 35m

$226

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 3/21

6:01 pm-9:05 pm

Nonstop6h 04m

Seattle/Tacoma Intl

Sat 3/28

8:55 am-5:01 pm

Nonstop5h 06m

$229

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 4/18

9:59 pm-9:27 am

1 stop14h 28m

Seattle/Tacoma Intl

Wed 4/22

7:40 pm-6:08 pm

1 stop19h 28m

$230

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 4/16

9:59 pm-3:05 pm

1 stop20h 06m

Seattle/Tacoma Intl

Mon 4/20

4:20 pm-5:05 pm

1 stop21h 45m

$231

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, 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 $292. 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 $332.

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 Thursday. momondo users have found tickets for Thursday 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 $571.

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

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 $485 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $623. 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 $378 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 $323 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.

How have Raleigh to Seattle flight prices changed over time?

As of January 2026, prices for Raleigh to Seattle flights are approximately 1% 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

$210

Fastest flight time

5h 50m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Raleigh in the past 72 hours is $210. The best round-trip flight deal from Raleigh to Seattle found on momondo in the last 72 hours is $283.
The fastest flight from Raleigh to Seattle takes 5h 50m
Direct flights go from Raleigh to Seattle every day.
There is 1 airport in Seattle. From Raleigh there are direct flights to 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 50m 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 $125Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
Sun Country AirPriceFrom $144Free CancellationRating
6.9
343 reviews
Search Sun Country Air flights
DeltaPriceFrom $167Free CancellationRating
7.9
8,127 reviews
Search Delta flights
SouthwestPriceFrom $214Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $221Free CancellationRating
8.0
11,808 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $274Free CancellationRating
7.2
11,206 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 $221. Generally, Alaska Airlines has 3 flights on this route every week with an average price of $434. 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, 8,125 ratings). Delta flies from Raleigh to Seattle around 6 times per week, with deals starting from $167 round-trip and rising to an average price of around $403.

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
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Tumwater

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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