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Wilmington

$170+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ILM
Mar 19 — Mar 261
Wed 3/19
Wed 3/26
1 adult, Economy
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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 March 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$424
(American Airlines)

One-way from

$170
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$587
Provider with most accurate pricing for Seattle/Tacoma Intl-Wilmington New Hanover County flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Wilmington New Hanover County flights.
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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. 4% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 14, 2025.

This Sun Country Air deal was found by Cheapflights users on 3/13. 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 7/211:59 pmSEA - ILM
1 stop8h 25mSun Country Air
Sun 7/1312:20 pmILM - SEA
1 stop13h 30mSun Country Air
Deal found 3/13$410
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/221:35 pmSEA - ILM
1 stop7h 22mAmerican Airlines
Sat 4/264:55 pmILM - SEA
1 stop9h 14mAmerican Airlines
Deal found 3/14$427
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Sun 4/276:20 pmSEA - ILM
2 stops19h 51mMultiple Airlines
Sun 5/47:18 pmILM - SEA
3 stops43h 17mMultiple Airlines
Deal found 3/13$431
This United deal was found by Cheapflights users on 3/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:50 pmSEA - ILM
2 stops21h 35mUnited Airlines
Wed 9/176:15 amILM - SEA
2 stops20h 53mUnited Airlines
Deal found 3/12$608
This Delta deal was found by Cheapflights users on 3/12. 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 6/299:20 pmSEA - ILM
1 stop9h 26mDelta
Wed 7/210:20 amILM - SEA
1 stop9h 05mDelta
Deal found 3/12$618
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/99:29 pmSEA - ILM
1 stop10h 02mAlaska Airlines
Sat 5/1711:38 amILM - SEA
1 stop11h 18mAlaska Airlines
Deal found 3/13$768

Find flights from Seattle to Wilmington within your budget

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 14, 2025.

Fly from

Seattle

Fly to

Wilmington

Route

Depart

Return

Price

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Wed 7/2

11:59 pm-11:24 am

1 stop8h 25m

Wilmington New Hanover County

Sun 7/13

12:20 pm-10:50 pm

1 stop13h 30m

$410

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Tue 4/22

1:35 pm-11:57 pm

1 stop7h 22m

Wilmington New Hanover County

Sat 4/26

4:55 pm-11:09 pm

1 stop9h 14m

$427

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 4/27

6:20 pm-5:11 pm

2 stops19h 51m

Wilmington New Hanover County

Sun 5/4

7:18 pm-11:35 am

3 stops43h 17m

$431

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sun 6/29

9:20 pm-9:46 am

1 stop9h 26m

Wilmington New Hanover County

Wed 7/2

10:20 am-4:25 pm

1 stop9h 05m

$618

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Mon 4/28

7:17 pm-3:52 pm

2 stops17h 35m

Wilmington New Hanover County

Mon 5/5

4:41 pm-9:57 pm

3 stops32h 16m

$621

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 5/9

9:29 pm-10:31 am

1 stop10h 02m

Wilmington New Hanover County

Sat 5/17

11:38 am-7:56 pm

1 stop11h 18m

$768

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 5/3

12:30 pm-11:05 am

2 stops19h 35m

$170

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Sat 5/3

11:54 am-10:45 pm

1 stop7h 51m

$214

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 5/2

11:59 pm-4:00 pm

2 stops13h 01m

$284

SeattleWilmington

SEA - ILM

SEAILM

Seattle/Tacoma Intl

Fri 5/2

12:45 am-4:16 pm

2 stops12h 31m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

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
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 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.

Travel insights for flights from Seattle to Wilmington

Get recent, data-driven insights about flights from Seattle to Wilmington including ideal travel times, pricing trends, and more.

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 March 7, 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 May is currently the most expensive (average of $407). 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 March 14, 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.

Rainfall in Wilmington by month

Plan your trip to Wilmington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wilmington ranges from 2.8 - 7.8 inches per month. September is typically the wettest month, when rainfall can reach 7.8 in. April is typically the driest time to visit Wilmington when rainfall is around 2.8 in.

Temperature in Wilmington by month

Plan your trip to Wilmington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wilmington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 14, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Seattle to Wilmington to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

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
9,735 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

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
7,944 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

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
8,623 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

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
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

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

Sun Country Air
7.0
Good
357 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

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?

    American Airlines, at $424, 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. American Airlines is priced at 29% 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 $214 on American Airlines. Other airlines that offer cheap prices include United Airlines from $284 and Delta from $437 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 May is currently the most expensive (average of $407). 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.

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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 March 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$637FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$357Average$636FlexibilityNo cancel feeOn-time71%
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