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Durham

$129+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RDU
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Durham are usually found in January or February, booked 88 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 30, 2025.

Round-trip from

$267
(United Airlines)

One-way from

$129
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$441
From Seattle/Tacoma Intl to Durham
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One-way flight from Seattle/Tacoma Intl to Durham
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Highest demand for flights based on searches. 0% potential increase in price ($1 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 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 30, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:37 pmSEA - RDU
1 stop9h 02mUnited Airlines
Sat 11/86:30 amRDU - SEA
1 stop8h 15mUnited Airlines
Deal found 7/27$267
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:54 pmSEA - RDU
Nonstop5h 03mDelta
Tue 9/27:11 amRDU - SEA
Nonstop5h 52mDelta
Deal found 7/28$277
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:25 amSEA - RDU
1 stop7h 12mFrontier
Fri 8/295:27 pmRDU - SEA
1 stop10h 07mFrontier
Deal found 7/28$278
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:48 pmSEA - RDU
Nonstop5h 12mHawaiian Airlines
Fri 9/196:10 pmRDU - SEA
Nonstop5h 49mHawaiian Airlines
Deal found 7/29$293
This Sun Country Air deal was found by Cheapflights users on 7/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:04 pmSEA - RDU
1 stop13h 27mSun Country Air
Sun 10/55:41 pmRDU - SEA
1 stop26h 14mSun Country Air
Deal found 7/30$295
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:28 pmSEA - RDU
1 stop19h 01mMultiple Airlines
Mon 11/35:15 pmRDU - SEA
1 stop10h 16mMultiple Airlines
Deal found 7/28$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.
Wed 8/2710:10 amSEA - RDU
1 stop8h 15mSouthwest
Wed 9/32:25 pmRDU - SEA
2 stops10h 15mSouthwest
Deal found 7/28$316
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:46 amSEA - RDU
1 stop7h 45mAmerican Airlines
Sun 8/317:24 amRDU - SEA
1 stop9h 51mAmerican Airlines
Deal found 7/28$337

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 30, 2025.
Use the filters below to find and compare flights from Seattle to Durham that are best for you.

Fly from

Seattle

Fly to

Durham

Route

Depart

Return

Price

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Mon 10/6

7:37 pm-7:39 am

1 stop9h 02m

Raleigh-Durham

Sat 11/8

6:30 am-11:45 am

1 stop8h 15m

$267

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Tue 8/26

3:54 pm-11:57 pm

Nonstop5h 03m

Raleigh-Durham

Tue 9/2

7:11 am-10:03 am

Nonstop5h 52m

$277

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Sat 8/23

6:25 am-4:37 pm

1 stop7h 12m

Raleigh-Durham

Fri 8/29

5:27 pm-12:34 am

1 stop10h 07m

$278

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Fri 9/12

9:48 pm-6:00 am

Nonstop5h 12m

Raleigh-Durham

Fri 9/19

6:10 pm-8:59 pm

Nonstop5h 49m

$293

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Thu 10/2

6:04 pm-10:31 am

1 stop13h 27m

Raleigh-Durham

Sun 10/5

5:41 pm-4:55 pm

1 stop26h 14m

$295

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Sat 10/11

6:28 pm-4:29 pm

1 stop19h 01m

Raleigh-Durham

Mon 11/3

5:15 pm-12:31 am

1 stop10h 16m

$313

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Wed 8/27

10:10 am-9:25 pm

1 stop8h 15m

Raleigh-Durham

Wed 9/3

2:25 pm-9:40 pm

2 stops10h 15m

$316

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Tue 8/26

12:46 am-11:31 am

1 stop7h 45m

Raleigh-Durham

Sun 8/31

7:24 am-2:15 pm

1 stop9h 51m

$337

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Tue 9/2

10:55 pm-9:29 am

1 stop7h 34m

$129

SeattleRaleigh

SEA - RDU

SEARDU

Seattle/Tacoma Intl

Thu 10/23

6:34 pm-11:01 am

1 stop13h 27m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 18 results
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

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

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

The best time to book flights from Seattle to Durham is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Durham (average of $206). Flying from Seattle to Durham in March is currently the most expensive (average of $293). 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 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 30, 2025.

When flying from Seattle to Durham, 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 Seattle to Durham?

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

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

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 30, 2025.

The most flights from SEA to DU8 are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 30, 2025.
Read through reviews of airlines operating flights from Seattle to Durham, 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

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 6 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 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $129 on United Airlines. Other airlines that offer cheap prices include Sun Country Air from $135 and Frontier from $138 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 Delta (75%), Korean Air (75%) or Finnair (72%) 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 $332 for a flight from Seattle to Durham. The cheapest flight overall is $178 while the most popular route, (Seattle/Tacoma Intl - Raleigh-Durham) is currently priced at $237.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Seattle to Durham (average of $206). Flying from Seattle to Durham in March is currently the most expensive (average of $293). 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.

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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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$145Average$289FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$153Average$437FlexibilityNo cancel feeOn-time85%
DeltaCheapest$234Average$482FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$414FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$256Average$426FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$264Average$384FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$276Average$448FlexibilityNo cancel feeOn-time71%

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