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$195+ Cheap flights from Raleigh to Seattle (RDU - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
1 adult, Economy
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Find cheap flights from Raleigh to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Raleigh-Durham to Seattle/Tacoma Intl are usually found in February or January, booked 65 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Raleigh to Seattle

Cheapest flights from Raleigh to Seattle
Explore the most affordable flight options available from Raleigh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.

This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:26 pm
RDU
-
SEA
1 stop24h 22m
Frontier
Thu 6/257:41 pm
SEA
-
RDU
1 stop12h 50m
Frontier
Deal found 6/3$336
This CheapOair deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:08 pm
RDU
-
SEA
1 stop17h 11m
Alaska Airlines
Tue 8/116:21 am
SEA
-
RDU
1 stop8h 40m
Alaska Airlines
Deal found 6/6$337
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:08 pm
RDU
-
SEA
1 stop17h 11m
Alaska Airlines
Mon 8/178:15 pm
SEA
-
RDU
1 stop18h 46m
Alaska Airlines
Deal found 6/3$338
This Booking.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:26 pm
RDU
-
SEA
1 stop24h 22m
Frontier
Wed 6/247:41 pm
SEA
-
RDU
1 stop12h 50m
Frontier
Deal found 6/1$339
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:08 pm
RDU
-
SEA
1 stop19h 36m
Alaska Airlines
Tue 8/116:21 am
SEA
-
RDU
1 stop8h 40m
Alaska Airlines
Deal found 6/5$340
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:26 pm
RDU
-
SEA
1 stop24h 22m
Frontier
Tue 6/307:41 pm
SEA
-
RDU
1 stop12h 50m
Frontier
Deal found 6/2$341
This CheapOair deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:26 pm
RDU
-
SEA
1 stop23h 51m
Frontier
Sat 8/227:41 pm
SEA
-
RDU
1 stop12h 50m
Frontier
Deal found 6/2$342
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:50 pm
RDU
-
SEA
1 stop29h 02m
Alaska Airlines
Tue 9/2210:13 am
SEA
-
RDU
1 stop28h 57m
Alaska Airlines
Deal found 6/3$343
This CheapOair deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:26 pm
RDU
-
SEA
1 stop23h 51m
Frontier
Sat 7/117:06 pm
SEA
-
RDU
1 stop13h 25m
Frontier
Deal found 6/2$345
This Expedia deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:08 pm
RDU
-
SEA
1 stop17h 11m
Multiple Airlines
Sat 8/227:41 pm
SEA
-
RDU
1 stop12h 50m
Multiple Airlines
Deal found 6/4$346
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:08 pm
RDU
-
SEA
1 stop17h 11m
Alaska Airlines
Tue 7/219:33 pm
SEA
-
RDU
Nonstop5h 07m
Alaska Airlines
Deal found 6/4$347
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:02 am
RDU
-
SEA
Nonstop5h 47m
Alaska Airlines
Thu 9/248:51 pm
SEA
-
RDU
1 stop18h 19m
Alaska Airlines
Deal found 6/3$348

Find flight deals from Raleigh to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$336
(Booking.com)

One-way from

$195
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$495

Good round-trip deal

$442 or less

Good one-way deal

$325 or less
Provider with most accurate pricing for Raleigh-Durham-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Seattle/Tacoma Intl flights.
Search Deals
From Raleigh-Durham to Seattle/Tacoma Intl
Search Deals
One-way flight from Raleigh-Durham to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Raleigh-Durham to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Raleigh-Durham to Seattle/Tacoma Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 6, 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

Cheapest round-trip
Quickest round-trip

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 8/25

6:33 am-9:20 am

Nonstop5h 47m

Seattle/Tacoma Intl

Sun 8/30

3:55 pm-11:55 pm

Nonstop5h 00m

$357

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 8/27

4:20 pm-10:55 pm

2 stops9h 35m

Seattle/Tacoma Intl

Tue 9/1

5:20 am-6:50 pm

2 stops10h 30m

$375

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 7/15

7:08 pm-9:19 am

1 stop17h 11m

Seattle/Tacoma Intl

Tue 7/28

6:21 am-6:01 pm

1 stop8h 40m

$395

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 8/27

6:33 am-9:20 am

Nonstop5h 47m

Seattle/Tacoma Intl

Mon 8/31

3:55 pm-11:55 pm

Nonstop5h 00m

$407

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 7/21

7:02 am-9:56 am

Nonstop5h 54m

Seattle/Tacoma Intl

Wed 7/29

6:21 am-6:01 pm

1 stop8h 40m

$427

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 7/15

4:10 pm-11:35 pm

2 stops10h 25m

Seattle/Tacoma Intl

Thu 7/23

1:50 pm-1:05 am

1 stop8h 15m

$457

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 9/19

10:40 am-7:15 pm

2 stops11h 35m

Seattle/Tacoma Intl

Mon 9/28

8:40 pm-12:28 pm

2 stops12h 48m

$474

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 7/18

4:55 pm-12:40 am

2 stops10h 45m

Seattle/Tacoma Intl

Tue 7/28

7:35 am-7:15 pm

2 stops8h 40m

$487

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 9/26

7:05 am-3:51 pm

2 stops11h 46m

Seattle/Tacoma Intl

Fri 10/2

11:13 pm-12:28 pm

1 stop10h 15m

$492

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 7/21

5:33 am-10:34 am

1 stop8h 01m

Seattle/Tacoma Intl

Tue 7/28

3:55 pm-11:55 pm

Nonstop5h 00m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Raleigh to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Seattle in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Raleigh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Seattle

How far ahead should I book a flight from Raleigh to Seattle?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Raleigh to Seattle?

Currently, February is the cheapest month in which you can book a flight from Raleigh to Seattle (average of $246). Flying from Raleigh to Seattle in June is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RDU to SEA?

Find hourly flight availability from Raleigh to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 6, 2026.

When flying from Raleigh to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Raleigh to Seattle?

The best insider tips for Raleigh to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Seattle trip
Our travel experts
John Walton

John Walton

Expert on RDU

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 6, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Raleigh to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Alaska Airlines
7.9
Good
12,469 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.9
Good
8,395 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
9,775 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,651 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Raleigh to Seattle?

    If you book a flight from Raleigh to Seattle, you will be flying from Raleigh-Durham to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Raleigh-Durham (RDU) take 5h 44m for a nonstop flight. There are 3 flights from Raleigh-Durham to Seattle per day from 8 airlines.

  • How popular is this Raleigh to Seattle flight route?

    The Raleigh-Durham to Seattle/Tacoma Intl flight path was viewed by 48 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Raleigh to Seattle?

    Departing from Raleigh to Seattle will take you 10h 10m. Raleigh and Seattle are separated by a distance of 2347 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Raleigh to Seattle round-trip?

    Currently priced at $135, Frontier will fly you from Raleigh to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Sun Country Air - these airlines can fly you to your destination from $138 and $144, respectively. Users have found that Frontier is 63% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Raleigh to Seattle one-way?

    The cheapest airlines for a one-way flight from Raleigh to Seattle are Frontier ($103), Southwest ($115), and Delta ($119).

  • What are the most reliable airlines from Raleigh to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Raleigh to Seattle on time: Finnair (100%), Hawaiian Airlines (94%), Delta (84%).

  • What are the cheapest flights from Raleigh to Seattle?

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Raleigh-Durham - Seattle/Tacoma Intl) can be booked for $296 on average, our data indicates $1,366 when flying from Raleigh to Seattle.

  • Can I find deals for flights from Raleigh to Seattle that include hotel bookings?

    Yes. In addition to deals on Raleigh to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Seattle.

  • Can I find deals for business class flights from Raleigh to Seattle?

    Yes. Cheapflights offers flight deals from Raleigh to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Raleigh to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Raleigh to Seattle (average of $246). Flying from Raleigh to Seattle in June is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Raleigh to Seattle

Discover the top 8 airlines that operate flights from Raleigh to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$298FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$248FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$144Average$275FlexibilityNo cancel feeOn-time83%
DeltaCheapest$175Average$410FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$201Average$418FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$236Average$377FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$255Average$431FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$274Average$397FlexibilityNo cancel feeOn-time71%

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