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$241+ Cheap flights from Wilmington to Seattle (ILM - SEA)

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SEA
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Wilmington to Seattle

Cheapest flights from Wilmington to Seattle
Explore the most affordable flight options available from Wilmington to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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 4/226:00 am
ILM
-
SEA
1 stop11h 27m
American Airlines
Sun 4/2610:47 pm
SEA
-
ILM
1 stop10h 42m
American Airlines
Deal found 2/10$329
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/115:08 am
ILM
-
SEA
2 stops10h 39m
American Airlines
Sun 3/1510:57 pm
SEA
-
ILM
1 stop8h 44m
American Airlines
Deal found 2/11$334
This American Airlines deal was found by Cheapflights users on 2/10. 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 8/205:00 pm
ILM
-
SEA
1 stop10h 54m
American Airlines
Sun 8/3011:55 pm
SEA
-
ILM
1 stop9h 17m
American Airlines
Deal found 2/10$349
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/1812:54 pm
ILM
-
SEA
1 stop11h 29m
American Airlines
Wed 4/2211:16 am
SEA
-
ILM
1 stop9h 56m
American Airlines
Deal found 2/9$354
This American Airlines deal was found by Cheapflights users on 2/11. 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 2/275:11 pm
ILM
-
SEA
1 stop8h 56m
American Airlines
Sat 3/710:57 pm
SEA
-
ILM
1 stop7h 44m
American Airlines
Deal found 2/11$359
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/244:27 pm
ILM
-
SEA
1 stop10h 24m
United Airlines
Sat 2/2812:42 pm
SEA
-
ILM
1 stop8h 15m
United Airlines
Deal found 2/9$389
This Delta deal was found by Cheapflights users on 2/11. 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 4/86:00 am
ILM
-
SEA
1 stop19h 05m
Delta
Mon 4/209:45 pm
SEA
-
ILM
1 stop8h 49m
Delta
Deal found 2/11$392
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Mon 8/104:05 pm
ILM
-
SEA
1 stop10h 54m
United Airlines
Tue 8/1810:40 pm
SEA
-
ILM
2 stops10h 25m
United Airlines
Deal found 2/10$421
This American Airlines deal was found by Cheapflights users on 2/11. 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 4/73:03 pm
ILM
-
SEA
1 stop9h 20m
American Airlines
Sun 4/1910:47 pm
SEA
-
ILM
1 stop10h 42m
American Airlines
Deal found 2/11$429
This American Airlines deal was found by Cheapflights users on 2/11. 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 4/81:25 pm
ILM
-
SEA
2 stops12h 13m
American Airlines
Mon 4/2010:29 pm
SEA
-
ILM
1 stop8h 17m
American Airlines
Deal found 2/11$434

Find flight deals from Wilmington to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to Seattle (SEA). 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$241
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$408
Provider with most accurate pricing for Wilmington New Hanover County-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Wilmington New Hanover County-Seattle/Tacoma Intl flights.
Search Deals
From Wilmington New Hanover County to Seattle/Tacoma Intl
Search Deals
One-way flight from Wilmington New Hanover County to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wilmington to Seattle 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 February 12, 2026.
Use the filters below to find and compare flights from Wilmington to Seattle that are best for you.

Fly from

Wilmington

Fly to

Seattle

Route

Depart

Return

Price

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Tue 4/21

4:50 pm-10:47 pm

1 stop8h 57m

Seattle/Tacoma Intl

Sat 4/25

11:16 am-12:12 am

1 stop9h 56m

$329

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 4/22

6:00 am-12:29 pm

1 stop9h 29m

Seattle/Tacoma Intl

Sun 4/26

11:28 pm-12:10 pm

1 stop9h 42m

$329

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 3/11

7:27 am-12:47 pm

1 stop8h 20m

Seattle/Tacoma Intl

Sun 3/15

10:57 pm-10:41 am

1 stop8h 44m

$329

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Tue 2/24

4:27 pm-11:51 pm

1 stop10h 24m

Seattle/Tacoma Intl

Sat 2/28

12:42 pm-11:57 pm

1 stop8h 15m

$389

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Mon 4/13

5:50 pm-10:00 am

1 stop19h 10m

Seattle/Tacoma Intl

Sun 4/19

11:15 pm-9:34 am

1 stop7h 19m

$392

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 4/8

6:00 am-10:05 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sun 4/19

11:15 pm-9:34 am

1 stop7h 19m

$392

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Mon 4/13

5:50 pm-10:00 am

1 stop19h 10m

Seattle/Tacoma Intl

Mon 4/20

9:45 pm-9:34 am

1 stop8h 49m

$392

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Mon 8/10

4:05 pm-11:59 pm

1 stop10h 54m

Seattle/Tacoma Intl

Tue 8/18

10:40 pm-12:05 pm

2 stops10h 25m

$421

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Thu 4/9

6:00 am-2:27 pm

1 stop11h 27m

Seattle/Tacoma Intl

Thu 4/23

12:34 pm-11:39 pm

1 stop8h 05m

$429

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Sun 2/22

5:01 pm-10:54 am

2 stops44h 53m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 17 results
1
2

Compare providers for flights from Wilmington to Seattle

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 Wilmington to Seattle in February.
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 Wilmington-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Wilmington-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Wilmington-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Wilmington-Seattle 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 Wilmington-Seattle 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 Wilmington to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Wilmington 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 Wilmington to Seattle

What is the cheapest month to book a flight from Wilmington to Seattle?

Currently, June is the cheapest month in which you can book a flight from Wilmington to Seattle (average of $242). Flying from Wilmington to Seattle in July is currently the most expensive (average of $352). 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 Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated February 12, 2026.
Read through reviews of airlines operating flights from Wilmington to Seattle, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,183 reviews

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

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
8,183 reviews
Delta
7.9
Good
8,183 reviews

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

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
11,272 reviews
Delta
7.9
Good
8,183 reviews

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

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 Wilmington to Seattle. 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 Wilmington to Seattle?

    Airlines like American Airlines and United Airlines fly from Wilmington to Seattle in about 8h 57m. The time it takes to get you to your destination can typically vary by up to 1h 27m. Wilmington and Seattle are separated by a distance of 2452 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Wilmington to Seattle round-trip from $308. Another airline that can offer you cheap pricing is Delta. American Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Wilmington to Seattle that include hotel bookings?

    Yes. In addition to deals on Wilmington to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wilmington to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wilmington to Seattle.

  • Can I find deals for business class flights from Wilmington to Seattle?

    Yes. Cheapflights offers flight deals from Wilmington to Seattle 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 Wilmington to Seattle?

    Currently, June is the cheapest month in which you can book a flight from Wilmington to Seattle (average of $242). Flying from Wilmington to Seattle in July is currently the most expensive (average of $352). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Lacey
Kent
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Wilmington to Seattle

Discover the top 2 airlines that operate flights from Wilmington to Seattle. 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$533FlexibilityNo cancel feeOn-time71%
DeltaCheapest$328Average$653FlexibilityNo cancel feeOn-timeN/A

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