HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Wilmington

$147+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ILM
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Wilmington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 10, 2026.

This American Airlines deal was found by Cheapflights users on 3/5. 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 4/1811:41 am
SEA
-
ILM
1 stop8h 12m
American Airlines
Sat 4/253:03 pm
ILM
-
SEA
1 stop9h 20m
American Airlines
Deal found 3/5$349
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:34 pm
SEA
-
ILM
1 stop8h 05m
American Airlines
Tue 4/216:11 am
ILM
-
SEA
2 stops10h 04m
American Airlines
Deal found 3/9$354
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/1611:41 am
SEA
-
ILM
1 stop8h 12m
American Airlines
Mon 4/204:50 pm
ILM
-
SEA
1 stop8h 57m
American Airlines
Deal found 3/7$379
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:30 am
SEA
-
ILM
2 stops14h 14m
United Airlines
Tue 6/24:05 pm
ILM
-
SEA
1 stop10h 54m
United Airlines
Deal found 3/9$386
This American Airlines deal was found by Cheapflights users on 3/7. 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 6/1110:27 am
SEA
-
ILM
1 stop10h 04m
American Airlines
Tue 6/163:32 pm
ILM
-
SEA
1 stop11h 07m
American Airlines
Deal found 3/7$389
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:55 pm
SEA
-
ILM
1 stop14h 47m
Delta
Sun 8/303:00 pm
ILM
-
SEA
1 stop8h 24m
Delta
Deal found 3/9$407
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
SEA
-
ILM
1 stop8h 26m
Delta
Tue 6/22:23 pm
ILM
-
SEA
1 stop8h 41m
Delta
Deal found 3/9$410
This Delta deal was found by Cheapflights users on 3/6. 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 6/310:35 pm
SEA
-
ILM
1 stop8h 05m
Delta
Sun 6/73:00 pm
ILM
-
SEA
1 stop8h 24m
Delta
Deal found 3/6$414
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:57 pm
SEA
-
ILM
1 stop8h 44m
American Airlines
Fri 4/35:11 pm
ILM
-
SEA
1 stop8h 58m
American Airlines
Deal found 3/9$429

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(American Airlines)

One-way from

$147
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$577
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. 13% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 2026.
Use the filters below to find and compare flights from Seattle to Wilmington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Thu 5/28

6:30 am-11:44 pm

2 stops14h 14m

Wilmington New Hanover County

Tue 6/2

4:05 pm-11:59 pm

1 stop10h 54m

$386
Quickest round-trip

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 5/29

6:00 am-5:26 pm

1 stop8h 26m

Wilmington New Hanover County

Tue 6/2

2:23 pm-8:04 pm

1 stop8h 41m

$410

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 4/14

12:08 pm-11:44 pm

1 stop8h 36m

Wilmington New Hanover County

Tue 4/21

6:00 am-7:45 pm

2 stops16h 45m

$454

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 4/25

12:08 pm-11:44 pm

1 stop8h 36m

Wilmington New Hanover County

Wed 4/29

6:00 am-6:00 pm

2 stops15h 00m

$454

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 7/1

10:40 pm-12:12 pm

2 stops10h 32m

Wilmington New Hanover County

Sat 7/4

1:03 pm-11:59 pm

2 stops13h 56m

$462

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 4/26

9:44 pm-12:29 pm

1 stop11h 45m

Wilmington New Hanover County

Fri 5/1

2:27 pm-11:22 am

2 stops23h 55m

$484

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 8/22

11:56 pm-3:28 pm

2 stops12h 32m

Wilmington New Hanover County

Sat 8/29

1:03 pm-11:11 pm

2 stops13h 08m

$499

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 5/1

1:07 pm-11:44 pm

3 stops31h 37m

Wilmington New Hanover County

Tue 5/5

6:00 am-7:00 pm

2 stops16h 00m

$507
Cheapest one-way

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 4/17

7:12 pm-8:55 am

3 stops34h 43m

$172

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 5/24

1:00 pm-1:35 pm

2 stops21h 35m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 19 resultsSorted by cheapest first
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 March.
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

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.

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 March 10, 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
8,276 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

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
8,276 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

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
7.1
Good
11,414 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

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 8h 26m. United Airlines provides one of the quickest options available for as low as $410. 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 $213, 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 55% 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$536FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$487FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights