$309+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SEA
May 4 — May 111
1 adult, Economy
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Find cheap flights from Wilmington to Seattle 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 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 April 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $470 (Sun Country Air) |
One-way from | $309 (United Airlines) |
Popular in | June |
Cheapest in | March |
Average price | $745 |
Find flight deals from Wilmington to Seattle
Cheapest flights from Wilmington to SeattleExplore 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 April 29, 2025.
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 April 29, 2025.
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:24 pmILM - SEA
1 stop13h 26mSun Country Air
Sat 7/511:59 pmSEA - ILM
1 stop9h 11mSun Country Air
Deal found 4/28![Sun Country Air logo]()
$470
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 6/32:19 pmILM - SEA
1 stop10h 41mDelta
Fri 7/411:40 pmSEA - ILM
1 stop6h 59mDelta
Deal found 4/28![Delta logo]()
$508
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 12/66:53 amILM - SEA
1 stop13h 10mAmerican Airlines
Tue 12/912:28 amSEA - ILM
1 stop12h 26mAmerican Airlines
Deal found 4/28![American Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:10 pmILM - SEA
1 stop26h 10mUnited Airlines
Thu 7/312:20 amSEA - ILM
1 stop12h 04mUnited Airlines
Deal found 4/28![United Airlines logo]()
$532
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 April 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
Thu 6/26
12:24 pm-10:50 pm
1 stop13h 26m
Seattle/Tacoma Intl
Sat 7/5
11:59 pm-12:10 pm
1 stop9h 11m
$470
WilmingtonSeattle
ILM - SEA
ILMSEA
Wilmington New Hanover County
Tue 6/3
2:19 pm-10:00 pm
1 stop10h 41m
Seattle/Tacoma Intl
Fri 7/4
11:40 pm-9:39 am
1 stop6h 59m
$508
WilmingtonSeattle
ILM - SEA
ILMSEA
Wilmington New Hanover County
Wed 5/28
5:05 am-12:47 pm
2 stops10h 42m
Seattle/Tacoma Intl
Tue 6/10
1:31 pm-11:59 pm
1 stop7h 28m
$528
WilmingtonSeattle
ILM - SEA
ILMSEA
Wilmington New Hanover County
Tue 6/3
5:10 pm-4:20 pm
1 stop26h 10m
Seattle/Tacoma Intl
Thu 7/3
12:20 am-3:24 pm
1 stop12h 04m
$532
WilmingtonSeattle
ILM - SEA
ILMSEA
Wilmington New Hanover County
Tue 6/17
5:10 pm-10:42 pm
1 stop8h 32m
$309
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 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, January is the cheapest month in which you can book a flight from Wilmington to Seattle (average of $238). Flying from Wilmington to Seattle in July is currently the most expensive (average of $405). 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 ILM to SEA?
Find hourly flight availability from Wilmington to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.
One of the essential ways to save on airfare from Wilmington to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
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 April 29, 2025.
Read through reviews of airlines operating flights from Wilmington to Seattle, such as Delta, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.2
Comfort
7.9
Crew
8.5
Entertainment
7.9
Food
7.3
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
Traveling to a place near Wilmington?
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Alternative routes for Wilmington to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
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 April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$617 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$338 | Average$627 | FlexibilityNo cancel fee | On-time71% |