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$137+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SEA
nov 28 — dez 51
sex 11/28
sex 12/5
1 adult, Economy
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Find 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 outubro 29, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
sáb 12/64:15 pmILM - SEA
1 stop10h 44mDelta
qua 12/1011:40 amSEA - ILM
1 stop8h 37mDelta
Deal found 10/28$309
This American Airlines deal was found by Cheapflights users on 10/27. 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.
sáb 12/69:10 amILM - SEA
2 stops11h 41mAmerican Airlines
qua 12/1012:41 pmSEA - ILM
1 stop6h 49mAmerican Airlines
Deal found 10/27$314
This American Airlines deal was found by Cheapflights users on 10/28. 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.
sáb 11/85:27 pmILM - SEA
1 stop9h 15mAmerican Airlines
qua 11/1910:07 pmSEA - ILM
1 stop7h 10mAmerican Airlines
Deal found 10/28$389
This American Airlines deal was found by Cheapflights users on 10/28. 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.
seg 11/242:07 pmILM - SEA
1 stop9h 32mAmerican Airlines
sex 11/285:48 amSEA - ILM
1 stop8h 55mAmerican Airlines
Deal found 10/28$400
This American Airlines deal was found by Cheapflights users on 10/27. 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.
ter 11/45:27 pmILM - SEA
1 stop9h 15mAmerican Airlines
ter 11/1111:20 pmSEA - ILM
1 stop8h 20mAmerican Airlines
Deal found 10/27$419
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/46:25 amILM - SEA
1 stop9h 09mUnited Airlines
ter 11/1111:34 pmSEA - ILM
2 stops12h 42mUnited Airlines
Deal found 10/27$424
This American Airlines deal was found by Cheapflights users on 10/27. 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.
sex 12/122:07 pmILM - SEA
1 stop9h 30mAmerican Airlines
sáb 1/35:23 amSEA - ILM
1 stop8h 09mAmerican Airlines
Deal found 10/27$429
This American Airlines deal was found by Cheapflights users on 10/29. 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.
sáb 11/85:05 amILM - SEA
1 stop10h 48mAmerican Airlines
qua 11/126:19 amSEA - ILM
1 stop9h 32mAmerican Airlines
Deal found 10/29$439

Cheap 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 outubro 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$137
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$413
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. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 outubro 29, 2025.
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

sex 1/16

6:00 am-11:45 am

1 stop8h 45m

Seattle/Tacoma Intl

seg 1/19

6:12 am-6:38 pm

1 stop9h 26m

$309

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

sáb 12/6

5:05 am-1:55 pm

2 stops11h 50m

Seattle/Tacoma Intl

qua 12/10

5:18 am-4:37 pm

1 stop8h 19m

$314

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

qua 1/14

2:00 pm-9:47 pm

2 stops10h 47m

Seattle/Tacoma Intl

ter 1/20

7:35 am-8:49 pm

2 stops10h 14m

$319

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

qua 2/18

6:05 am-11:31 am

1 stop8h 26m

Seattle/Tacoma Intl

dom 2/22

10:30 am-10:39 pm

1 stop9h 09m

$359

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

sáb 11/8

5:27 pm-11:42 pm

1 stop9h 15m

Seattle/Tacoma Intl

qua 11/19

10:07 pm-8:17 am

1 stop7h 10m

$389

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

ter 4/7

7:00 am-12:16 am

2 stops20h 16m

Seattle/Tacoma Intl

ter 4/14

9:20 pm-9:44 am

1 stop9h 24m

$407

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

qua 4/1

7:00 am-12:16 am

2 stops20h 16m

Seattle/Tacoma Intl

ter 4/14

9:20 pm-9:44 am

1 stop9h 24m

$407

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

sex 2/27

5:12 pm-12:59 am

1 stop10h 47m

Seattle/Tacoma Intl

ter 3/3

10:12 pm-9:37 am

1 stop8h 25m

$409

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

sex 12/12

2:07 pm-8:37 pm

1 stop9h 30m

Seattle/Tacoma Intl

sáb 1/3

5:23 am-4:32 pm

1 stop8h 09m

$429

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

sáb 11/8

5:05 am-12:53 pm

1 stop10h 48m

Seattle/Tacoma Intl

ter 11/11

12:41 am-1:16 pm

2 stops9h 35m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 20 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Wilmington-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Wilmington-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, March is the cheapest month in which you can book a flight from Wilmington to Seattle (average of $234). Flying from Wilmington to Seattle in June is currently the most expensive (average of $368). 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 outubro 29, 2025.
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
7,992 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 fly from Wilmington to Seattle in about 8h 45m. The time it takes to get you to your destination can typically vary by up to . Wilmington and Seattle are separated by a distance of 2452 mi.

  • 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 American Airlines. Delta is 43% 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, March is the cheapest month in which you can book a flight from Wilmington to Seattle (average of $234). Flying from Wilmington to Seattle in June is currently the most expensive (average of $368). 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
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 outubro 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$617FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$539FlexibilityNo cancel feeOn-time71%

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