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Wilmington

$171+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ILM
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:26 pm
SEA
-
ILM
1 stop9h 25m
American Airlines
Sat 4/2512:49 pm
ILM
-
SEA
1 stop11h 34m
American Airlines
Deal found 1/27$329
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:29 pm
SEA
-
ILM
1 stop7h 30m
American Airlines
Mon 4/204:50 pm
ILM
-
SEA
1 stop10h 54m
American Airlines
Deal found 1/27$359
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:00 am
SEA
-
ILM
1 stop6h 44m
American Airlines
Sun 2/155:08 am
ILM
-
SEA
1 stop10h 43m
American Airlines
Deal found 1/27$389
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 4/83:59 pm
SEA
-
ILM
1 stop14h 30m
Delta
Wed 4/156:00 am
ILM
-
SEA
1 stop12h 26m
Delta
Deal found 1/28$425
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/2112:42 pm
SEA
-
ILM
1 stop8h 15m
United Airlines
Wed 2/254:27 pm
ILM
-
SEA
1 stop10h 24m
United Airlines
Deal found 1/28$429
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 4/811:26 pm
SEA
-
ILM
2 stops11h 43m
American Airlines
Thu 4/165:00 am
ILM
-
SEA
2 stops10h 39m
American Airlines
Deal found 1/28$439
This American Airlines deal was found by Cheapflights users on 1/28. 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 6/29:42 pm
SEA
-
ILM
1 stop7h 47m
American Airlines
Sat 6/62:50 pm
ILM
-
SEA
1 stop7h 56m
American Airlines
Deal found 1/28$444
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 4/89:00 am
SEA
-
ILM
2 stops21h 29m
Delta
Tue 4/142:24 pm
ILM
-
SEA
1 stop10h 41m
Delta
Deal found 1/28$448
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 6/211:03 pm
SEA
-
ILM
1 stop10h 02m
United Airlines
Sat 6/64:05 pm
ILM
-
SEA
2 stops11h 39m
United Airlines
Deal found 1/28$454

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$171
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$489
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
One-way flight from Seattle/Tacoma Intl to Wilmington New Hanover County
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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 4/18

11:16 am-11:59 pm

1 stop9h 43m

Wilmington New Hanover County

Sat 4/25

3:03 pm-9:23 pm

1 stop9h 20m

$329

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 4/16

11:26 pm-11:51 am

1 stop9h 25m

Wilmington New Hanover County

Mon 4/20

3:03 pm-9:23 pm

1 stop9h 20m

$359

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 2/11

7:00 am-4:44 pm

1 stop6h 44m

Wilmington New Hanover County

Sun 2/15

5:08 am-12:51 pm

1 stop10h 43m

$389

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 4/8

3:59 pm-9:29 am

1 stop14h 30m

Wilmington New Hanover County

Tue 4/14

5:50 pm-10:00 am

1 stop19h 10m

$425

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 4/8

3:59 pm-9:29 am

1 stop14h 30m

Wilmington New Hanover County

Wed 4/15

6:00 am-3:26 pm

1 stop12h 26m

$425

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 2/21

12:42 pm-11:57 pm

1 stop8h 15m

Wilmington New Hanover County

Wed 2/25

4:27 pm-11:51 pm

1 stop10h 24m

$429

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 4/9

11:26 pm-11:51 am

1 stop9h 25m

Wilmington New Hanover County

Wed 4/15

4:50 pm-12:44 am

1 stop10h 54m

$429

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 4/9

11:26 pm-11:51 am

1 stop9h 25m

Wilmington New Hanover County

Thu 4/16

6:00 am-12:39 pm

1 stop9h 39m

$429

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 4/8

11:26 pm-11:51 am

1 stop9h 25m

Wilmington New Hanover County

Thu 4/16

6:00 am-12:39 pm

1 stop9h 39m

$429

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 3/3

12:07 am-2:51 pm

1 stop11h 44m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Wilmington flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

Booking 34 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, December is the cheapest month in which you can book a flight from Seattle to Wilmington (average of $236). Flying from Seattle to Wilmington in May is currently the most expensive (average of $356). 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.

How much does it cost to fly round-trip from Seattle to Wilmington?

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 January 29, 2026.
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
8,128 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,128 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,205 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 43m. American Airlines provides one of the quickest options available for as low as $329. 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?

    American Airlines, at $308, was found to be the cheapest airline from Seattle to Wilmington. An alternate airline flying to your destination would be Delta. American Airlines is priced at 37% 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, December is the cheapest month in which you can book a flight from Seattle to Wilmington (average of $236). Flying from Seattle to Wilmington in May is currently the most expensive (average of $356). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$496FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$536FlexibilityNo cancel feeOn-timeN/A

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