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Wilmington

$221+ Cheap flights from Seattle to Wilmington (SEA - ILM)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ILM
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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

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 September 17, 2025.

Round-trip from

$309
(American Airlines)

One-way from

$221
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$398
From Seattle/Tacoma Intl to Wilmington New Hanover County
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One-way flight from Seattle/Tacoma Intl to Wilmington New Hanover County
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Highest demand for flights based on searches. 11% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/611:56 pmSEA - ILM
1 stop8h 48mAmerican Airlines
Sat 10/116:29 pmILM - SEA
1 stop7h 27mAmerican Airlines
Deal found 9/15$308
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/2412:34 amSEA - ILM
1 stop7h 50mAmerican Airlines
Wed 10/292:37 pmILM - SEA
1 stop10h 41mAmerican Airlines
Deal found 9/15$309
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/257:00 amSEA - ILM
2 stops13h 26mUnited Airlines
Wed 10/296:00 amILM - SEA
2 stops13h 15mUnited Airlines
Deal found 9/16$319
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 12/112:59 amSEA - ILM
2 stops9h 17mAmerican Airlines
Tue 12/96:00 amILM - SEA
1 stop8h 37mAmerican Airlines
Deal found 9/16$344
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/1110:54 pmSEA - ILM
1 stop7h 52mAmerican Airlines
Sat 10/185:00 amILM - SEA
1 stop10h 51mAmerican Airlines
Deal found 9/16$384
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/1212:59 amSEA - ILM
2 stops9h 07mAmerican Airlines
Thu 11/206:20 amILM - SEA
1 stop9h 49mAmerican Airlines
Deal found 9/15$389
This Delta deal was found by Cheapflights users on 9/15. 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.
Sun 10/2611:10 pmSEA - ILM
1 stop7h 21mDelta
Mon 11/35:55 pmILM - SEA
1 stop19h 19mDelta
Deal found 9/15$407
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/311:40 amSEA - ILM
1 stop7h 54mAmerican Airlines
Tue 10/143:33 pmILM - SEA
1 stop9h 45mAmerican Airlines
Deal found 9/14$410
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/512:34 amSEA - ILM
1 stop7h 50mAmerican Airlines
Sun 10/125:00 amILM - SEA
1 stop10h 30mAmerican Airlines
Deal found 9/16$414

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 September 17, 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

Sat 10/25

10:01 pm-10:35 am

1 stop9h 34m

Wilmington New Hanover County

Wed 10/29

7:00 am-2:46 pm

1 stop10h 46m

$309

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 11/13

10:35 am-10:35 pm

1 stop9h 00m

Wilmington New Hanover County

Thu 11/20

5:22 pm-11:05 pm

1 stop8h 43m

$309

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 10/25

7:00 am-11:26 pm

2 stops13h 26m

Wilmington New Hanover County

Wed 10/29

6:00 am-4:15 pm

2 stops13h 15m

$319

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 10/5

12:34 am-11:24 am

1 stop7h 50m

Wilmington New Hanover County

Sat 10/11

6:29 pm-10:56 pm

1 stop7h 27m

$339

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Mon 12/1

12:59 am-1:16 pm

2 stops9h 17m

Wilmington New Hanover County

Tue 12/9

6:00 am-12:38 pm

2 stops9h 38m

$349

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 10/11

10:54 pm-9:46 am

1 stop7h 52m

Wilmington New Hanover County

Sat 10/18

5:00 am-12:51 pm

1 stop10h 51m

$384

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 10/26

11:10 pm-9:31 am

1 stop7h 21m

Wilmington New Hanover County

Mon 11/3

5:55 pm-10:14 am

1 stop19h 19m

$407

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 10/11

8:43 pm-8:35 pm

3 stops44h 52m

$221

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 10/11

1:10 pm-12:34 pm

1 stop20h 24m

$271

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 10/10

12:34 am-11:24 am

1 stop7h 50m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 September 12, 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 $296). Flying from Seattle to Wilmington in December is currently the most expensive (average of $385). 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 September 17, 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 53% 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 September 17, 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
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 9h 34m. American Airlines provides one of the quickest options available for as low as $309. 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 53% 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 $296). Flying from Seattle to Wilmington in December is currently the most expensive (average of $385). 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
Kure Beach
Southport
Wrightsville Beach

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$548FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$586FlexibilityNo cancel feeOn-time71%

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