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$154+ Cheap flights from Durham, NC to Seattle (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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Durham to Seattle/Tacoma Intl are usually found in January or February, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Durham to Seattle

Keep the following information in mind while searching for Durham to Seattle flight deals. Data was last updated July 29, 2025.

Round-trip from

$252
(United Airlines)

One-way from

$154
(Southwest)

Popular in

June

Cheapest in

January

Average price

$476
From Durham to Seattle/Tacoma Intl
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One-way flight from Durham to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 16% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Durham to Seattle

Cheapest flights from Durham to Seattle
Explore the most affordable flight options available from Durham to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amRDU - SEA
2 stops10h 54mUnited Airlines
Sat 11/85:05 amSEA - RDU
1 stop7h 06mUnited Airlines
Deal found 7/29$228
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:11 amRDU - SEA
Nonstop5h 52mDelta
Tue 8/263:54 pmSEA - RDU
Nonstop5h 03mDelta
Deal found 7/29$257
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:23 pmRDU - SEA
1 stop9h 19mFrontier
Sat 8/236:25 amSEA - RDU
1 stop7h 12mFrontier
Deal found 7/29$258
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:36 amRDU - SEA
Nonstop5h 50mHawaiian Airlines
Wed 9/109:00 amSEA - RDU
Nonstop5h 10mHawaiian Airlines
Deal found 7/29$267
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:36 amRDU - SEA
Nonstop5h 50mAlaska Airlines
Mon 9/89:48 pmSEA - RDU
Nonstop5h 12mAlaska Airlines
Deal found 7/29$287
This Sun Country Air deal was found by Cheapflights users on 7/27. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:04 pmRDU - SEA
1 stop22h 57mSun Country Air
Sat 10/116:28 pmSEA - RDU
1 stop19h 01mSun Country Air
Deal found 7/27$295
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Fri 10/35:23 pmRDU - SEA
1 stop10h 07mMultiple Airlines
Sat 10/116:28 pmSEA - RDU
1 stop19h 01mMultiple Airlines
Deal found 7/27$313
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:30 pmRDU - SEA
2 stops11h 00mSouthwest
Wed 9/2410:10 amSEA - RDU
1 stop8h 15mSouthwest
Deal found 7/28$316

Cheapflights Fare Finder

 
Customize your flight search to find flights from Durham 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 29, 2025.
Use the filters below to find and compare flights from Durham to Seattle that are best for you.

Fly from

Durham

Fly to

Seattle

Route

Depart

Return

Price

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 8/20

4:55 pm-10:52 pm

1 stop8h 57m

Seattle/Tacoma Intl

Wed 8/27

12:43 pm-10:44 pm

1 stop7h 01m

$252

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 9/6

7:36 am-10:26 am

Nonstop5h 50m

Seattle/Tacoma Intl

Tue 9/9

9:00 am-5:10 pm

Nonstop5h 10m

$257

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 8/16

5:23 pm-11:42 pm

1 stop9h 19m

Seattle/Tacoma Intl

Sat 8/23

6:25 am-4:37 pm

1 stop7h 12m

$258

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 10/1

7:11 am-10:00 am

Nonstop5h 49m

Seattle/Tacoma Intl

Wed 10/8

3:50 pm-11:48 pm

Nonstop4h 58m

$277

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 9/27

7:36 am-10:26 am

Nonstop5h 50m

Seattle/Tacoma Intl

Mon 9/29

9:48 pm-6:00 am

Nonstop5h 12m

$287

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 10/3

9:04 pm-5:01 pm

1 stop22h 57m

Seattle/Tacoma Intl

Sat 10/11

6:28 pm-4:29 pm

1 stop19h 01m

$295

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 10/10

4:20 pm-8:54 pm

1 stop7h 34m

Seattle/Tacoma Intl

Fri 10/17

12:34 am-11:42 am

1 stop8h 08m

$307

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 10/3

5:23 pm-12:30 am

1 stop10h 07m

Seattle/Tacoma Intl

Sat 10/11

6:28 pm-4:29 pm

1 stop19h 01m

$313

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Sat 9/20

1:30 pm-9:30 pm

2 stops11h 00m

Seattle/Tacoma Intl

Tue 9/23

10:10 am-9:25 pm

1 stop8h 15m

$316

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 9/24

2:25 pm-9:40 pm

2 stops10h 15m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 18 results
1
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Best time to book a flight from Durham to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Durham 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 Durham to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Durham to Seattle. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Durham to Seattle, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Durham to Seattle (average of $238). Flying from Durham to Seattle in June is currently the most expensive (average of $389). 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 DU8 to SEA?

Find hourly flight availability from Durham 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 29, 2025.

When flying from Durham 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.

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

Use this chart to determine the cheapest time to fly round-trip from Durham to Seattle. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Durham to Seattle

Explore weekly flight availability from Durham to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2025.

The most flights from DU8 to SEA are scheduled on a Monday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

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 29, 2025.
Read through reviews of airlines operating flights from Durham to Seattle, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

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

  • What airport do you fly into for flights to Seattle from Durham?

    For a flight from Durham to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 6 inbound flights from Durham per day. 7 airlines have flights to Seattle/Tacoma Intl from Durham on a regular basis.

  • How popular is this Durham to Seattle flight route?

    Flights from Durham to Seattle/Tacoma Intl have been viewed 57 times in the past calendar month.

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

    $154 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $155 and $159, respectively.

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

    Before booking your flight to Seattle from Durham, check out the most reliable airlines to get you to your destination on time: Delta (93%), Korean Air (93%), Finnair( 75%).

  • What are the cheapest flights from Durham to Seattle?

    While on average a flight from Durham to Seattle is generally $877, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Raleigh-Durham - Seattle/Tacoma Intl), you can expect to pay $252 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Durham 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 Durham to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Durham to Seattle (average of $238). Flying from Durham to Seattle in June is currently the most expensive (average of $389). 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
Ocean Shores
Lakewood
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Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
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Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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Alternative routes for Durham to Seattle

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Top 7 airlines flying from Durham to Seattle

Discover the top 7 airlines that operate flights from Durham 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$253FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$153Average$418FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$178Average$432FlexibilityNo cancel feeOn-time69%
DeltaCheapest$234Average$420FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$255Average$399FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$257Average$447FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$276Average$491FlexibilityNo cancel feeOn-time71%

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