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Cheap flights from Durham, NC to Seattle (SEA)

RDU — SEA
Oct 31 — Nov 71
Sat 10/31
Sat 11/7
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from 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

Find flight deals from Durham to Seattle

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

February

Average price

$417
Provider with most accurate pricing for Raleigh-Durham-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Seattle/Tacoma Intl flights.
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Highest demand for flights based on searches. 22% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from Durham to Seattle

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

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.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Durham to Seattle, 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
4,207 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,207 reviews
Southwest
8.0
Very good
4,207 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Alaska Airlines
7.9
Good
13,000 reviews
Southwest
8.0
Very good
4,207 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Delta
7.8
Good
8,615 reviews
Southwest
8.0
Very good
4,207 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
United Airlines
7.4
Good
10,270 reviews
Southwest
8.0
Very good
4,207 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
American Airlines
7.0
Good
12,096 reviews
Southwest
8.0
Very good
4,207 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • 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 3 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 14 times in the past calendar month.

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

    $118 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $119 and $128, 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%), Alaska Airlines( 68%).

  • What are the cheapest flights from Durham to Seattle?

    While on average a flight from Durham to Seattle is generally $398, our data shows the cheapest flight currently is $177. When looking at the most popular route, (Raleigh-Durham - Seattle/Tacoma Intl), you can expect to pay $372 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Marysville
Lakewood
Fife
Poulsbo

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Top 7 airlines flying from Durham to Seattle

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$325FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$171Average$295FlexibilityNo cancel feeOn-time83%
DeltaCheapest$177Average$450FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$207Average$455FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$236Average$392FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$252Average$605FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$285Average$466FlexibilityNo cancel feeOn-time63%

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