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Wilmington

$349+ Cheap flights from Seattle to Wilmington (SEA - ILM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ILM
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 Seattle/Tacoma Intl to Wilmington New Hanover County are usually found in January or September, booked 63 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Find flight deals from Seattle to Wilmington

Cheapest flights from Seattle to Wilmington
Explore the most affordable flight options available from Seattle to Wilmington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 11/1811:40 amSEA - ILM
1 stop8h 35mDelta
Thu 12/410:26 amILM - SEA
1 stop10h 22mDelta
Deal found 10/29$349
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:20 pmSEA - ILM
1 stop8h 20mAmerican Airlines
Mon 11/175:27 pmILM - SEA
1 stop9h 15mAmerican Airlines
Deal found 10/29$389
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/116:00 amSEA - ILM
1 stop8h 16mDelta
Mon 12/1510:26 amILM - SEA
1 stop10h 21mDelta
Deal found 10/29$414
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 11/187:15 amSEA - ILM
1 stop7h 03mDelta
Wed 12/36:02 pmILM - SEA
1 stop8h 57mDelta
Deal found 10/29$420
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/1811:34 pmSEA - ILM
2 stops12h 42mUnited Airlines
Thu 12/43:42 pmILM - SEA
1 stop9h 56mUnited Airlines
Deal found 10/29$454
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:05 amSEA - ILM
2 stops15h 45mUnited Airlines
Mon 11/176:00 amILM - SEA
1 stop9h 34mUnited Airlines
Deal found 10/28$494
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:00 amSEA - ILM
2 stops12h 51mUnited Airlines
Thu 11/64:27 pmILM - SEA
1 stop9h 19mUnited Airlines
Deal found 10/28$495
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:05 amSEA - ILM
2 stops15h 45mUnited Airlines
Tue 11/186:25 amILM - SEA
2 stops16h 00mUnited Airlines
Deal found 10/30$499

Cheap flight deals from Seattle to Wilmington

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Wilmington (ILM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(Delta)

Popular in

December

Cheapest in

January

Average price

$458
Provider with most accurate pricing for Seattle/Tacoma Intl-Wilmington New Hanover County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Wilmington New Hanover County flights.
Search Deals
From Seattle/Tacoma Intl to Wilmington New Hanover County
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Wilmington 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 October 30, 2025.
Use the filters below to find and compare flights from Seattle to Wilmington that are best for you.

Fly from

Seattle

Fly to

Wilmington

Route

Depart

Return

Price

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 11/18

11:40 am-11:15 pm

1 stop8h 35m

Wilmington New Hanover County

Thu 12/4

10:26 am-5:48 pm

1 stop10h 22m

$349

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 11/13

11:20 pm-10:40 am

1 stop8h 20m

Wilmington New Hanover County

Mon 11/17

5:27 pm-11:42 pm

1 stop9h 15m

$389

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 12/11

6:00 am-5:16 pm

1 stop8h 16m

Wilmington New Hanover County

Mon 12/15

10:26 am-5:47 pm

1 stop10h 21m

$414

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 11/18

7:15 am-5:18 pm

1 stop7h 03m

Wilmington New Hanover County

Wed 12/3

6:02 pm-11:59 pm

1 stop8h 57m

$420

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 11/18

11:34 pm-3:16 pm

2 stops12h 42m

Wilmington New Hanover County

Thu 12/4

3:42 pm-10:38 pm

1 stop9h 56m

$454

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 11/18

7:10 am-11:50 pm

2 stops13h 40m

Wilmington New Hanover County

Wed 12/3

6:00 am-4:07 pm

2 stops13h 07m

$459

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 11/13

5:05 am-11:50 pm

2 stops15h 45m

Wilmington New Hanover County

Mon 11/17

6:00 am-12:34 pm

1 stop9h 34m

$494

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 11/14

10:53 am-11:50 pm

2 stops9h 57m

Wilmington New Hanover County

Tue 11/18

6:25 am-12:34 pm

1 stop9h 09m

$494

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 12/28

11:59 pm-4:23 pm

2 stops13h 24m

$462

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 12/28

8:00 am-7:15 pm

1 stop8h 15m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Compare providers for flights from Seattle to Wilmington

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Wilmington in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Wilmington flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Wilmington flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Wilmington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Wilmington flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Wilmington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Wilmington

Have a flexible travel schedule? Discover the best time to fly to Wilmington 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 Wilmington

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Wilmington. Price data was last updated on October 24, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Wilmington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Wilmington (average of $256). Flying from Seattle to Wilmington in December is currently the most expensive (average of $406). 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 ILM?

Find hourly flight availability from Seattle to Wilmington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Wilmington in the afternoon. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Wilmington

Get insights into the airlines that provide service to Wilmington. 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 Wilmington. Reviews last updated October 30, 2025.
See what other customers who have flown with Delta and American Airlines from Seattle to Wilmington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

  • How long is the flight from Seattle to Wilmington?

    A quick flight from Seattle to Wilmington can take about 8h 20m. Delta provides one of the quickest options available for as low as $389. The distance from Seattle to Wilmington is about 2452 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Wilmington round-trip?

    Delta, at $258, was found to be the cheapest airline from Seattle to Wilmington. An alternate airline flying to your destination would be American Airlines. Delta is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Wilmington (average of $256). Flying from Seattle to Wilmington in December is currently the most expensive (average of $406). 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 Wilmington?

Book flights to Wilmington if you plan to visit one of these locations
Carolina Beach
Topsail Beach
Wrightsville Beach
Kure Beach
Southport

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Top 2 airlines flying from Seattle to Wilmington

Discover the top 2 airlines that operate flights from Seattle to Wilmington. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$536FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$522FlexibilityNo cancel feeOn-time71%

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