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Cheap flights from Wilmington to Seattle from $293

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Wilmington to Seattle departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Wilmington to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:00 pm - 7:04 pm
ILM
-
SEA
8h 04m1 stop
American Airlines Logo
9:45 pm - 9:26 am
SEA
-
ILM
8h 41m1 stop
$293American Airlines
Wed, Jan 14 - Tue, Jan 20
American Airlines Logo
6:00 am - 11:45 am
ILM
-
SEA
8h 45m1 stop
American Airlines Logo
8:04 am - 8:49 pm
SEA
-
ILM
9h 45m2 stops
$298American Airlines
Wed, Jan 14 - Tue, Jan 20
American Airlines Logo
6:00 am - 1:08 pm
ILM
-
SEA
10h 08m2 stops
American Airlines Logo
8:35 am - 10:57 pm
SEA
-
ILM
11h 22m2 stops
$303American Airlines
Wed, Jan 14 - Tue, Jan 20
American Airlines Logo
5:51 pm - 11:51 pm
ILM
-
SEA
9h 00m1 stop
American Airlines Logo
8:35 am - 9:15 pm
SEA
-
ILM
9h 40m1 stop
$329American Airlines
Thu, Feb 5 - Sun, Feb 8
American Airlines Logo
5:51 pm - 11:51 pm
ILM
-
SEA
9h 00m1 stop
American Airlines Logo
8:04 am - 8:49 pm
SEA
-
ILM
9h 45m2 stops
$334American Airlines
Thu, Feb 5 - Sun, Feb 8
American Airlines Logo
2:00 pm - 10:20 pm
ILM
-
SEA
11h 20m2 stops
American Airlines Logo
8:04 am - 8:49 pm
SEA
-
ILM
9h 45m2 stops
$339American Airlines
Thu, Feb 5 - Sun, Feb 8
Delta Logo
5:45 pm - 12:06 am
ILM
-
SEA
9h 21m1 stop
Delta Logo
11:40 pm - 9:44 am
SEA
-
ILM
7h 04m1 stop
$349Delta
Wed, Apr 22 - Sun, Apr 26
Alaska Airlines Logo
3:58 pm - 10:29 pm
ILM
-
SEA
9h 31m1 stop
Alaska Airlines Logo
9:54 am - 8:28 pm
SEA
-
ILM
7h 34m1 stop
$429Alaska Airlines
Wed, Feb 4 - Sat, Feb 7
American Airlines Logo
5:31 pm - 11:00 pm
ILM
-
SEA
8h 29m1 stop
American Airlines Logo
10:36 pm - 8:02 am
SEA
-
ILM
6h 26m1 stop
$464American Airlines
Sat, Apr 25 - Sun, May 3
American Airlines Logo
7:12 am - 2:28 pm
ILM
-
SEA
10h 16m2 stops
American Airlines Logo
11:33 pm - 10:01 am
SEA
-
ILM
7h 28m1 stop
$469American Airlines
Sat, Apr 25 - Sun, May 3

American Airlines flights from Wilmington to Seattle

Our best American Airlines deals on Wilmington to Seattle flight tickets
American Airlines
Jan 14
ILM2:00 pmWilmington New Hanover County
8h 04m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
Jan 20
SEA9:45 pmSeattle/Tacoma Intl
8h 41m
1 stop
ILM9:26 amWilmington New Hanover County
$293
Find similar
American Airlines
Jan 14
ILM6:00 amWilmington New Hanover County
8h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Jan 20
SEA8:04 amSeattle/Tacoma Intl
9h 45m
2 stops
ILM8:49 pmWilmington New Hanover County
$298
Find similar
American Airlines
Jan 14
ILM6:00 amWilmington New Hanover County
10h 08m
2 stops
SEA1:08 pmSeattle/Tacoma Intl
Jan 20
SEA8:35 amSeattle/Tacoma Intl
11h 22m
2 stops
ILM10:57 pmWilmington New Hanover County
$303
Find similar

Delta flights from Wilmington to Seattle

Our best Delta deals on Wilmington to Seattle flight tickets
Delta
Apr 22
ILM5:45 pmWilmington New Hanover County
9h 21m
1 stop
SEA12:06 amSeattle/Tacoma Intl
Apr 26
SEA11:40 pmSeattle/Tacoma Intl
7h 04m
1 stop
ILM9:44 amWilmington New Hanover County
$349
Find similar
Delta
Jun 15
ILM5:45 pmWilmington New Hanover County
9h 21m
1 stop
SEA12:06 amSeattle/Tacoma Intl
Jul 6
SEA9:20 pmSeattle/Tacoma Intl
9h 22m
1 stop
ILM9:42 amWilmington New Hanover County
$509
Find similar
Delta
Jun 15
ILM5:45 pmWilmington New Hanover County
9h 21m
1 stop
SEA12:06 amSeattle/Tacoma Intl
Jul 6
SEA7:45 pmSeattle/Tacoma Intl
10h 57m
2 stops
ILM9:42 amWilmington New Hanover County
$732
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Wilmington to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 1/14

2:00 pm-7:04 pm

1 stop8h 04m

Seattle/Tacoma Intl

Tue 1/20

9:45 pm-9:26 am

1 stop8h 41m

$293

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 1/14

6:00 am-11:45 am

1 stop8h 45m

Seattle/Tacoma Intl

Tue 1/20

8:04 am-8:49 pm

2 stops9h 45m

$298

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 1/14

6:00 am-1:08 pm

2 stops10h 08m

Seattle/Tacoma Intl

Tue 1/20

8:35 am-10:57 pm

2 stops11h 22m

$303

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Thu 2/5

5:51 pm-11:51 pm

1 stop9h 00m

Seattle/Tacoma Intl

Sun 2/8

8:35 am-9:15 pm

1 stop9h 40m

$329

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Thu 2/5

5:51 pm-11:51 pm

1 stop9h 00m

Seattle/Tacoma Intl

Sun 2/8

8:04 am-8:49 pm

2 stops9h 45m

$334

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Thu 2/5

2:00 pm-10:20 pm

2 stops11h 20m

Seattle/Tacoma Intl

Sun 2/8

8:04 am-8:49 pm

2 stops9h 45m

$339

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 4/22

5:45 pm-12:06 am

1 stop9h 21m

Seattle/Tacoma Intl

Sun 4/26

11:40 pm-9:44 am

1 stop7h 04m

$349

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 2/4

3:58 pm-10:29 pm

1 stop9h 31m

Seattle/Tacoma Intl

Sat 2/7

9:54 am-8:28 pm

1 stop7h 34m

$429

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Sat 4/25

5:31 pm-11:00 pm

1 stop8h 29m

Seattle/Tacoma Intl

Sun 5/3

10:36 pm-8:02 am

1 stop6h 26m

$464

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Sat 4/25

7:12 am-2:28 pm

2 stops10h 16m

Seattle/Tacoma Intl

Sun 5/3

11:33 pm-10:01 am

1 stop7h 28m

$469

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Seattle from

How to get the cheapest flight ticket from Wilmington to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Wilmington to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. If you don’t want to visit Seattle in September, then you should wait until October to fly from Wilmington, when ticket prices are also cheap, with an average price of $338.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Wilmington is on a Saturday. momondo users have found tickets for Saturday departures for as low as $608. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Wilmington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $816.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Wilmington at noon is the least expensive time of day to depart. momondo users have found prices as low as $638 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $725. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How have Wilmington to Seattle flight prices changed over time?

As of December 2025, prices for Wilmington to Seattle flights are approximately 62% more expensive when compared to flights at the same time last year.

When to book flights from Wilmington to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Wilmington to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Wilmington to Seattle (ILM to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Wilmington to Seattle

Fastest flight time

9h 21m

Direct flights

None
The fastest flight from Wilmington to Seattle takes 9h 21m
There are no direct flights from Wilmington to Seattle. There are no popular flight routes from Wilmington to Seattle.
Search flight deals

  • How far is Wilmington New Hanover County to Seattle/Tacoma Intl by plane?

    There are 2457.2 mi between Wilmington New Hanover County and Seattle/Tacoma Intl. Typically, this will take 9h 21m by plane in normal conditions.

  • When did momondo last update prices for flights from Wilmington New Hanover County Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Wilmington New Hanover County Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Wilmington New Hanover County Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Wilmington New Hanover County Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wilmington New Hanover County Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Wilmington to Seattle?

Best airlines flying from Wilmington to Seattle

Compare and see reviews for airlines that fly from Wilmington to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $308Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Federal Way
Lakewood
Fife
Centralia
Westport
Kirkland
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Wilmington to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Wilmington to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Wilmington to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Wilmington to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Wilmington to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Wilmington to Seattle.

I’m not ready to book a flight from Wilmington to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Wilmington to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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