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$86+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find cheap flights from Raleigh to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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

Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$232
(United Airlines)

One-way from

$86
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$362

Good round-trip deal

$349 or less

Good one-way deal

$195 or less
Provider with most accurate pricing for Raleigh-Durham-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Seattle/Tacoma Intl flights.
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From Raleigh-Durham to Seattle/Tacoma Intl
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One-way flight from Raleigh-Durham to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Raleigh-Durham to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Raleigh-Durham to Seattle/Tacoma Intl.
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Find 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 October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:40 pmRDU - SEA
1 stop9h 19mUnited Airlines
Tue 12/167:00 amSEA - RDU
1 stop8h 01mUnited Airlines
Deal found 10/14$232
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:14 pmRDU - SEA
Nonstop6h 07mAlaska Airlines
Wed 11/129:10 amSEA - RDU
Nonstop5h 04mAlaska Airlines
Deal found 10/16$237
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:35 amRDU - SEA
2 stops10h 26mUnited Airlines
Tue 11/185:05 amSEA - RDU
1 stop7h 06mUnited Airlines
Deal found 10/16$238
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:15 amRDU - SEA
Nonstop5h 59mDelta
Tue 11/113:59 pmSEA - RDU
Nonstop4h 59mDelta
Deal found 10/16$239
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:15 amRDU - SEA
Nonstop5h 59mDelta
Wed 11/123:59 pmSEA - RDU
Nonstop4h 59mDelta
Deal found 10/15$240
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:30 pmRDU - SEA
1 stop8h 22mUnited Airlines
Tue 11/185:05 amSEA - RDU
1 stop7h 06mUnited Airlines
Deal found 10/15$242
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:21 pmRDU - SEA
1 stop21h 52mFrontier
Tue 11/181:37 pmSEA - RDU
2 stops24h 31mFrontier
Deal found 10/14$245
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:26 pmRDU - SEA
1 stop8h 02mUnited Airlines
Thu 12/119:25 amSEA - RDU
1 stop9h 14mUnited Airlines
Deal found 10/14$247
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:00 amRDU - SEA
2 stops11h 00mUnited Airlines
Mon 11/105:05 amSEA - RDU
1 stop7h 06mUnited Airlines
Deal found 10/15$248

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 October 16, 2025.
Use the filters below to find and compare flights from Raleigh to Seattle that are best for you.

Fly from

Raleigh

Fly to

Seattle

Route

Depart

Return

Price

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 11/8

7:15 am-10:14 am

Nonstop5h 59m

Seattle/Tacoma Intl

Mon 11/10

3:59 pm-11:58 pm

Nonstop4h 59m

$239

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 11/4

7:15 am-10:14 am

Nonstop5h 59m

Seattle/Tacoma Intl

Tue 11/11

3:59 pm-11:58 pm

Nonstop4h 59m

$239

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sun 2/15

7:30 am-10:40 am

Nonstop6h 10m

Seattle/Tacoma Intl

Sat 2/21

3:50 pm-11:48 pm

Nonstop4h 58m

$239

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 12/5

7:06 am-10:15 am

Nonstop6h 09m

Seattle/Tacoma Intl

Mon 12/8

3:59 pm-11:53 pm

Nonstop4h 54m

$239

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 12/11

10:00 am-4:07 pm

1 stop9h 07m

Seattle/Tacoma Intl

Tue 12/16

7:00 am-6:01 pm

1 stop8h 01m

$242

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 11/7

6:35 pm-12:59 am

1 stop9h 24m

Seattle/Tacoma Intl

Wed 11/12

5:00 am-3:11 pm

1 stop7h 11m

$242

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 12/3

10:00 am-4:07 pm

1 stop9h 07m

Seattle/Tacoma Intl

Thu 12/11

9:25 am-9:39 pm

1 stop9h 14m

$247

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 12/11

6:00 am-10:54 am

1 stop7h 54m

Seattle/Tacoma Intl

Wed 12/17

3:59 pm-11:53 pm

Nonstop4h 54m

$249

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 12/10

7:06 am-10:15 am

Nonstop6h 09m

Seattle/Tacoma Intl

Tue 12/16

11:55 pm-10:49 am

1 stop7h 54m

$249

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 12/3

5:29 am-10:40 am

1 stop8h 11m

Seattle/Tacoma Intl

Thu 12/11

3:59 pm-11:53 pm

Nonstop4h 54m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 24 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Seattle. Price data was last updated on October 10, 2025.

Booking 65 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 $62). Flying from Raleigh to Seattle in June is currently the most expensive (average of $241). 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 October 16, 2025.

When flying from Raleigh to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 61% versus a flight in the evening.

What is the cheapest day to fly from Raleigh to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Seattle. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Raleigh to Seattle flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Raleigh to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Seattle trip
Airports
RDU

RDU offers free Wi-Fi throughout the terminals. Connect to the 'RDU Free WiFi' network for seamless browsing before your flight.

Read more about RDUby John Walton
SEA

Take the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes under 40 minutes.

Read more about SEAby Brandon Schultz
Our travel experts
John Walton

John Walton

Expert on RDU

John Walton

John Walton

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

Brandon Schultz

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 October 16, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines 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.
Alaska Airlines
8.0
Very good
11,102 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,102 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
7,980 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,781 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
11,040 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,137 reviews
Alaska Airlines
8.0
Very good
11,102 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 51m for a nonstop flight. There are 7 flights from Raleigh-Durham to Seattle per day from 7 airlines.

  • How popular is this Raleigh to Seattle flight route?

    The Raleigh-Durham to Seattle/Tacoma Intl flight path was viewed by 66 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 5h 59m. 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 United Airlines - these airlines can fly you to your destination from $151 and $188, respectively. Users have found that Frontier is 65% cheaper than the other options available to this destination.

  • 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%), Delta (97%), Korean Air (97%).

  • What are the cheapest flights from Raleigh to Seattle?

    Looking at all options, your cheapest flight can be booked for $139. While the most popular route (Raleigh-Durham - Seattle/Tacoma Intl) can be booked for $222 on average, our data indicates $859 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 $62). Flying from Raleigh to Seattle in June is currently the most expensive (average of $241). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Raleigh to Seattle

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Top 7 airlines flying from Raleigh to Seattle

Discover the top 7 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$263FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$151Average$392FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$188Average$370FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$214Average$380FlexibilityNo cancel feeOn-time63%
DeltaCheapest$220Average$413FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$262Average$446FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$276Average$354FlexibilityNo cancel feeOn-time71%

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