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Wilmington

$157+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ILM
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$309
(Delta)

One-way from

$157
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$668
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. 8% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/29. 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.
Fri 9/126:42 amSEA - ILM
1 stop8h 41mAmerican Airlines
Wed 9/175:35 pmILM - SEA
1 stop7h 54mAmerican Airlines
Deal found 6/29$309
This Sun Country Air deal was found by Cheapflights users on 6/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:34 pmSEA - ILM
1 stop14h 15mSun Country Air
Mon 9/111:59 amILM - SEA
1 stop25h 59mSun Country Air
Deal found 6/30$330
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 10/259:20 pmSEA - ILM
1 stop9h 16mDelta
Wed 11/56:00 amILM - SEA
2 stops13h 24mDelta
Deal found 7/1$358
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/1512:20 amSEA - ILM
2 stops10h 28mUnited Airlines
Sun 7/204:59 pmILM - SEA
1 stop10h 00mUnited Airlines
Deal found 7/1$374
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/165:30 pmSEA - ILM
3 stops15h 00mMultiple Airlines
Sun 7/2012:24 pmILM - SEA
1 stop13h 23mMultiple Airlines
Deal found 7/1$551

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 July 1, 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

Fri 9/12

8:34 am-8:49 pm

1 stop9h 15m

Wilmington New Hanover County

Wed 9/17

5:35 pm-10:29 pm

1 stop7h 54m

$309

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 8/27

6:34 pm-11:49 am

1 stop14h 15m

Wilmington New Hanover County

Mon 9/1

11:59 am-10:58 am

1 stop25h 59m

$330

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 10/25

9:20 pm-9:36 am

1 stop9h 16m

Wilmington New Hanover County

Wed 11/5

6:00 am-4:24 pm

2 stops13h 24m

$358

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 7/15

12:20 am-1:48 pm

2 stops10h 28m

Wilmington New Hanover County

Sun 7/20

4:59 pm-11:59 pm

1 stop10h 00m

$374

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 7/16

5:30 pm-11:30 am

3 stops15h 00m

Wilmington New Hanover County

Sun 7/20

12:24 pm-10:47 pm

1 stop13h 23m

$551

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 9/9

9:45 pm-10:54 am

1 stop10h 09m

Wilmington New Hanover County

Sun 9/14

1:29 pm-8:07 am

2 stops21h 38m

$656

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 7/29

9:13 pm-10:03 am

1 stop9h 50m

$157

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 7/9

6:21 pm-11:24 am

1 stop14h 03m

$223

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 7/8

10:30 pm-9:43 am

1 stop8h 13m

$246

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 7/9

11:58 pm-3:24 pm

2 stops12h 26m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 13 results
1
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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 June 27, 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 July 1, 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 July 1, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
JetBlue
7.3
Good
2,919 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

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

    Delta, at $309, was found to be the cheapest airline from Seattle to Wilmington.Alternate airlines to your destination round-trip include Sun Country Air and United Airlines. Delta is priced at 46% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $157 on JetBlue. Other airlines that offer cheap prices include Sun Country Air from $223 and Delta from $246 one-way.

  • 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Carolina Beach
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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$620FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$536FlexibilityNo cancel feeOn-timeN/A

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