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$138+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$245
(United Airlines)

One-way from

$138
(Sun Country Air)

Popular in

July

Cheapest in

January

Average price

$487
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 ($77 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 June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 9/107:00 amRDU - SEA
1 stop9h 28mUnited Airlines
Sat 9/205:07 amSEA - RDU
1 stop7h 19mUnited Airlines
Deal found 6/11$245
This Southwest deal was found by Cheapflights users on 6/10. 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 8/206:00 pmRDU - SEA
1 stop8h 35mSouthwest
Mon 8/259:10 pmSEA - RDU
1 stop9h 45mSouthwest
Deal found 6/10$246
This Delta deal was found by Cheapflights users on 6/10. 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 9/177:30 amRDU - SEA
Nonstop6h 14mDelta
Sat 9/203:50 pmSEA - RDU
Nonstop5h 04mDelta
Deal found 6/10$257
This Frontier deal was found by Cheapflights users on 6/9. 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 7/285:23 pmRDU - SEA
1 stop10h 11mFrontier
Fri 8/13:11 pmSEA - RDU
1 stop12h 24mFrontier
Deal found 6/9$259
This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:11 pmRDU - SEA
1 stop7h 36mMultiple Airlines
Wed 7/95:30 pmSEA - RDU
2 stops11h 45mMultiple Airlines
Deal found 6/11$264
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/912:09 pmRDU - SEA
1 stop10h 50mAmerican Airlines
Wed 9/176:05 amSEA - RDU
1 stop10h 56mAmerican Airlines
Deal found 6/12$266
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 7/46:11 pmRDU - SEA
1 stop7h 36mSun Country Air
Thu 7/1011:59 pmSEA - RDU
1 stop14h 12mSun Country Air
Deal found 6/10$275
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 8/196:01 pmRDU - SEA
Nonstop5h 55mHawaiian Airlines
Sun 8/249:48 pmSEA - RDU
Nonstop5h 12mHawaiian Airlines
Deal found 6/9$277
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/227:36 amRDU - SEA
Nonstop5h 46mAlaska Airlines
Fri 8/229:48 pmSEA - RDU
Nonstop5h 12mAlaska Airlines
Deal found 6/10$297
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/810:45 amRDU - SEA
3 stops32h 40mSpirit Airlines
Thu 7/105:30 pmSEA - RDU
2 stops19h 42mSpirit Airlines
Deal found 6/11$315

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 June 12, 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 9/10

7:00 am-1:28 pm

1 stop9h 28m

Seattle/Tacoma Intl

Sat 9/20

5:07 am-3:26 pm

1 stop7h 19m

$245

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Wed 8/20

6:00 pm-11:35 pm

1 stop8h 35m

Seattle/Tacoma Intl

Mon 8/25

9:10 pm-9:55 am

1 stop9h 45m

$246

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 9/9

7:11 am-10:03 am

Nonstop5h 52m

Seattle/Tacoma Intl

Wed 9/17

3:50 pm-11:54 pm

Nonstop5h 04m

$257

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Mon 7/28

5:23 pm-12:34 am

1 stop10h 11m

Seattle/Tacoma Intl

Fri 8/1

3:11 pm-6:35 am

1 stop12h 24m

$259

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 7/4

6:11 pm-10:47 pm

1 stop7h 36m

Seattle/Tacoma Intl

Wed 7/9

5:30 pm-8:15 am

2 stops11h 45m

$264

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 9/9

12:09 pm-7:59 pm

1 stop10h 50m

Seattle/Tacoma Intl

Wed 9/17

6:05 am-8:01 pm

1 stop10h 56m

$266

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 7/4

6:11 pm-10:47 pm

1 stop7h 36m

Seattle/Tacoma Intl

Thu 7/10

11:59 pm-5:11 pm

1 stop14h 12m

$275

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 8/19

7:36 am-10:26 am

Nonstop5h 50m

Seattle/Tacoma Intl

Fri 8/22

9:48 pm-6:00 am

Nonstop5h 12m

$277

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Tue 7/8

10:45 am-4:25 pm

3 stops32h 40m

Seattle/Tacoma Intl

Thu 7/10

5:30 pm-4:12 pm

2 stops19h 42m

$315

RaleighSeattle

RDU - SEA

RDUSEA

Raleigh-Durham

Fri 7/4

6:01 pm-8:56 pm

Nonstop5h 55m

Seattle/Tacoma Intl

Wed 7/9

9:55 pm-6:00 am

Nonstop5h 05m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 20 results
1
2

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 June 9, 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 July is currently the most expensive (average of $391). 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 June 12, 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 June 12, 2025.

The most flights from DU8 to SEA are scheduled on a Thursday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Durham to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 5 inbound flights from Durham per day. 8 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 39 times in the past calendar month.

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

    $138 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $139 and $144, 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 (90%), Korean Air (90%), Finnair( 86%).

  • What are the cheapest flights from Durham to Seattle?

    While on average a flight from Durham to Seattle is generally $1,413, our data shows the cheapest flight currently is $163. When looking at the most popular route, (Raleigh-Durham - Seattle/Tacoma Intl), you can expect to pay $215 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 July is currently the most expensive (average of $391). 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 Durham?

Book flights to Durham if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Durham to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Durham to Seattle

Discover the top 8 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$228FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$153Average$425FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$168Average$371FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$188Average$451FlexibilityNo cancel feeOn-time69%
DeltaCheapest$235Average$427FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$256Average$475FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$276Average$497FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$303Average$446FlexibilityNo cancel feeOn-time63%

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