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Durham

$179+ Cheap flights from Seattle (SEA) to Durham, NC

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RDU
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Durham are usually found in October or February, booked 68 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Seattle to Durham

Cheapest flights from Seattle to Durham
Explore the most affordable flight options available from Seattle to Durham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Frontier deal was found by Cheapflights users on 7/20. 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.
Fri 9/257:41 pm
SEA
-
RDU
1 stop13h 12m
Frontier
Mon 9/2812:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Deal found 7/20$265
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/17:07 pm
SEA
-
RDU
1 stop21h 02m
Frontier
Wed 9/912:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Deal found 7/21$269
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/317:06 pm
SEA
-
RDU
1 stop21h 03m
Frontier
Wed 9/912:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Deal found 7/21$270
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 9/97:00 am
SEA
-
RDU
1 stop25h 53m
Frontier
Mon 9/2112:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Deal found 7/20$271
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/207:06 pm
SEA
-
RDU
1 stop21h 03m
Frontier
Thu 8/2710:11 pm
RDU
-
SEA
2 stops38h 08m
Frontier
Deal found 7/20$272
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/82:37 pm
SEA
-
RDU
1 stop18h 16m
Frontier
Tue 9/2212:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Deal found 7/20$273
This CheapOair deal was found by Cheapflights users on 7/22. 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 8/211:35 pm
SEA
-
RDU
1 stop26h 34m
Frontier
Wed 8/267:54 pm
RDU
-
SEA
1 stop16h 25m
Frontier
Deal found 7/22$275
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/69:16 pm
SEA
-
RDU
2 stops36h 58m
Frontier
Sat 10/2412:18 pm
RDU
-
SEA
1 stop24h 33m
Frontier
Deal found 7/23$277
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/287:06 pm
SEA
-
RDU
1 stop21h 03m
Multiple Airlines
Mon 8/312:32 pm
RDU
-
SEA
2 stops23h 07m
Multiple Airlines
Deal found 7/22$280
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/319:29 pm
SEA
-
RDU
2 stops33h 23m
Frontier
Wed 9/3012:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Deal found 7/22$283
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/62:37 pm
SEA
-
RDU
2 stops14h 55m
Frontier
Sat 9/1912:48 pm
RDU
-
SEA
1 stop24h 03m
Frontier
Deal found 7/20$284
This Frontier deal was found by Cheapflights users on 7/22. 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.
Mon 9/217:41 pm
SEA
-
RDU
1 stop13h 12m
Frontier
Wed 9/3012:48 pm
RDU
-
SEA
1 stop14h 39m
Frontier
Deal found 7/22$285

Find flight deals from Seattle to Durham

Keep the following information in mind while searching for Seattle to Durham flight deals. Data was last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$265
(Frontier)

One-way from

$179
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$523
Provider with most accurate pricing for Seattle/Tacoma Intl-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Raleigh-Durham flights.
Search Deals
From Seattle/Tacoma Intl to Durham
Search Deals
One-way flight from Seattle/Tacoma Intl to Durham
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Durham 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 25, 2026.
Use the filters below to find and compare flights from Seattle to Durham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Wed 9/30

11:05 pm-12:55 pm

2 stops10h 50m

Raleigh-Durham

Tue 10/6

6:20 am-2:20 pm

2 stops11h 00m

$359

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Tue 10/13

8:00 am-4:19 pm

Nonstop5h 19m

Raleigh-Durham

Tue 10/20

5:22 pm-9:34 pm

1 stop31h 12m

$365

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Fri 9/11

6:21 pm-6:10 pm

1 stop20h 49m

Raleigh-Durham

Sun 9/20

7:13 pm-9:58 pm

Nonstop5h 45m

$375

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Wed 8/19

6:40 am-6:10 pm

2 stops8h 30m

Raleigh-Durham

Wed 8/26

1:45 pm-8:25 pm

2 stops9h 40m

$375

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Thu 8/27

8:35 am-4:47 pm

Nonstop5h 12m

Raleigh-Durham

Mon 8/31

5:50 pm-6:52 pm

1 stop28h 02m

$395

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Thu 9/24

9:30 pm-5:41 am

Nonstop5h 11m

Raleigh-Durham

Fri 9/25

5:50 pm-7:52 pm

1 stop29h 02m

$395

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Fri 8/21

6:15 am-8:50 pm

2 stops11h 35m

Raleigh-Durham

Mon 8/24

4:20 pm-11:55 pm

2 stops10h 35m

$399
Quickest round-trip

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Wed 9/9

3:59 pm-11:59 pm

Nonstop5h 00m

Raleigh-Durham

Fri 9/18

6:33 am-9:17 am

Nonstop5h 44m

$407

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Fri 9/4

5:15 am-6:50 pm

2 stops10h 35m

Raleigh-Durham

Mon 9/14

4:20 pm-10:55 pm

2 stops9h 35m

$414

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Tue 9/22

8:25 am-4:47 pm

Nonstop5h 22m

Raleigh-Durham

Wed 9/30

7:02 am-9:49 am

Nonstop5h 47m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Seattle to Durham

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

What is the cheapest time of day to fly from SEA to DU8?

Find hourly flight availability from Seattle to Durham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.

A simple way to save on the total cost of your ticket is to fly from Seattle to Durham in the afternoon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.

Weekly flight availability from Seattle to Durham

Explore weekly flight availability from Seattle to Durham. 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 25, 2026.

The most flights from SEA to DU8 are scheduled on a Tuesday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

Airfare is below average for this route at the moment.
Seattle to Durham flights typically cost between $394 and $608 in September.
The cheapest round-trip price found within the last 5 days was $265 on Frontier (Sep 25-Sep 28).

Reviews of airlines servicing Durham

Get insights into the airlines that provide service to Durham. 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 Durham. Reviews last updated July 25, 2026.
Read through reviews of airlines operating flights from Seattle to Durham, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Alaska Airlines
7.9
Good
12,715 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,485 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,035 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,845 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Durham. 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 from for flights from Seattle to Durham?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Durham from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Durham should be relatively easy as there are 5 daily outbound flights to Durham from 7 different airlines.

  • How popular is this Seattle to Durham flight route?

    The Seattle/Tacoma Intl to Durham flight path was viewed by 2 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 Seattle to Durham?

    Departing from Seattle to Durham will take you 5h 19m. There are 2347 mi between Seattle and Durham. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $88 on Frontier. Other airlines that offer cheap prices include United Airlines from $118 and Alaska Airlines from $119 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Durham consider choosing Finnair (94%), STARLUX Airlines (86%) or Alaska Airlines (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Durham?

    On average you can expect to pay $385 for a flight from Seattle to Durham. The cheapest flight overall is $233 while the most popular route, (Seattle/Tacoma Intl - Raleigh-Durham) is currently priced at $265.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Seattle to Durham

Discover the top 7 airlines that operate flights from Seattle to Durham. 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$272FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$148Average$387FlexibilityNo cancel feeOn-time85%
DeltaCheapest$159Average$441FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$168Average$378FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$202Average$462FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$253Average$416FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$256Average$492FlexibilityNo cancel feeOn-time71%

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