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$194+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Aug 3 — Aug 101
Mon 8/3
Mon 8/10
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 Tuesday 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 July 4, 2026.

This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:04 pm
RDU
-
SEA
1 stop7h 44m
American Airlines
Tue 8/185:10 am
SEA
-
RDU
1 stop8h 33m
American Airlines
Deal found 7/1$327
This Frontier deal was found by Cheapflights users on 6/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Fri 10/27:41 pm
SEA
-
RDU
1 stop13h 12m
Frontier
Deal found 6/30$328
This CheapOair deal was found by Cheapflights users on 6/30. 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 9/27:54 pm
RDU
-
SEA
1 stop16h 25m
Frontier
Thu 9/107:00 am
SEA
-
RDU
1 stop25h 53m
Frontier
Deal found 6/30$329
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Tue 7/286:15 am
RDU
-
SEA
2 stops30h 02m
Frontier
Sat 8/17:06 pm
SEA
-
RDU
1 stop13h 25m
Frontier
Deal found 6/29$330
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:26 pm
RDU
-
SEA
1 stop23h 51m
Frontier
Mon 8/37:06 pm
SEA
-
RDU
1 stop13h 25m
Frontier
Deal found 7/3$331
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:31 pm
RDU
-
SEA
2 stops23h 33m
Frontier
Fri 8/147:06 pm
SEA
-
RDU
1 stop13h 25m
Frontier
Deal found 7/4$332
This CheapOair deal was found by Cheapflights users on 7/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:54 pm
RDU
-
SEA
1 stop16h 25m
Frontier
Mon 8/247:06 pm
SEA
-
RDU
1 stop21h 03m
Frontier
Deal found 7/1$333
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:54 pm
RDU
-
SEA
2 stops17h 06m
Frontier
Sun 9/207:41 pm
SEA
-
RDU
1 stop13h 12m
Frontier
Deal found 7/2$334
This Booking.com deal was found by Cheapflights users on 7/1. 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.
Fri 8/712:26 pm
RDU
-
SEA
1 stop23h 38m
Frontier
Sat 8/87:06 pm
SEA
-
RDU
1 stop13h 25m
Frontier
Deal found 7/1$335
This CheapOair deal was found by Cheapflights users on 6/29. 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.
Mon 7/2012:26 pm
RDU
-
SEA
1 stop23h 51m
Frontier
Sat 7/257:06 pm
SEA
-
RDU
1 stop13h 25m
Frontier
Deal found 6/29$336
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:26 pm
RDU
-
SEA
1 stop23h 51m
Frontier
Thu 7/237:06 pm
SEA
-
RDU
1 stop13h 25m
Frontier
Deal found 7/1$337
This CheapOair deal was found by Cheapflights users on 6/29. 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 8/207:54 pm
RDU
-
SEA
1 stop16h 25m
Frontier
Sun 8/237:06 pm
SEA
-
RDU
1 stop21h 03m
Frontier
Deal found 6/29$338

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 July 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(American Airlines)

One-way from

$194
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$510

Good round-trip deal

$457 or less

Good one-way deal

$307 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. 21% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 4, 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

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 8/26

10:40 am-4:06 pm

1 stop8h 26m

Seattle/Tacoma Intl

Mon 8/31

11:04 pm-9:34 am

1 stop7h 30m

$343

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 9/19

6:20 am-1:10 pm

2 stops9h 50m

Seattle/Tacoma Intl

Mon 9/28

11:05 pm-12:40 pm

2 stops10h 35m

$358

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 8/14

4:20 pm-10:55 pm

2 stops9h 35m

Seattle/Tacoma Intl

Mon 8/24

5:00 am-5:25 pm

2 stops9h 25m

$403

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 8/27

4:20 pm-10:55 pm

2 stops9h 35m

Seattle/Tacoma Intl

Mon 8/31

11:05 pm-12:40 pm

2 stops10h 35m

$403
Quickest round-trip

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 8/13

6:33 am-9:20 am

Nonstop5h 47m

Seattle/Tacoma Intl

Wed 8/19

4:00 pm-11:59 pm

Nonstop4h 59m

$407

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 8/13

7:08 pm-6:14 pm

1 stop26h 06m

Seattle/Tacoma Intl

Thu 8/20

8:49 pm-6:10 pm

1 stop18h 21m

$423

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 8/25

6:25 am-2:24 pm

2 stops10h 59m

Seattle/Tacoma Intl

Tue 9/1

11:00 pm-2:07 pm

2 stops12h 07m

$447

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 7/29

6:38 am-9:25 am

Nonstop5h 47m

Seattle/Tacoma Intl

Wed 8/5

4:00 pm-11:59 pm

Nonstop4h 59m

$453

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 10/9

5:39 pm-10:34 pm

1 stop31h 55m

Seattle/Tacoma Intl

Mon 10/12

8:17 am-4:39 pm

Nonstop5h 22m

$460

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Thu 7/30

6:38 am-9:25 am

Nonstop5h 47m

Seattle/Tacoma Intl

Wed 8/5

4:00 pm-11:59 pm

Nonstop4h 59m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 24 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 July.
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
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice 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 $518). 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 July 4, 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 July 4, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, 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.
Alaska Airlines
7.9
Good
12,617 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,617 reviews
Alaska Airlines
7.9
Good
12,617 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
7.9
Good
12,617 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,453 reviews
Alaska Airlines
7.9
Good
12,617 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
United Airlines
7.4
Good
9,930 reviews
Alaska Airlines
7.9
Good
12,617 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
American Airlines
7.1
Good
11,765 reviews
Alaska Airlines
7.9
Good
12,617 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 4 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 32 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 47m. 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 $128, Hawaiian Airlines will fly you from Raleigh to Seattle and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Sun Country Air - these airlines can fly you to your destination from $135 and $171, respectively. Users have found that Hawaiian Airlines is 66% 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), United Airlines ($128), and Southwest ($129).

  • 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 (88%), Delta (82%), Korean Air (82%).

  • What are the cheapest flights from Raleigh to Seattle?

    Looking at all options, your cheapest flight can be booked for $218. While the most popular route (Raleigh-Durham - Seattle/Tacoma Intl) can be booked for $270 on average, our data indicates $1,095 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 $518). 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
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia

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 July 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$128Average$228FlexibilityNo cancel feeOn-time85%
FrontierCheapest$135Average$294FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$171Average$295FlexibilityNo cancel feeOn-time83%
DeltaCheapest$181Average$415FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$202Average$441FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$236Average$378FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$260Average$450FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$276Average$433FlexibilityNo cancel feeOn-time71%

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