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Cheap flights from Wilmington to Seattle from $208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wilmington to Seattle departing on 8/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Wilmington to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:44 pm - 10:43 pm
ILM
-
SEA
8h 59m
1 stop
United Airlines Logo
10:58 pm - 12:03 pm
SEA
-
ILM
10h 05m
1 stop
$369United Airlines
Wed, Aug 26 - Sat, Sep 5
United Airlines Logo
4:44 pm - 10:43 pm
ILM
-
SEA
8h 59m
1 stop
United Airlines Logo
11:59 pm - 3:37 pm
SEA
-
ILM
12h 38m
2 stops
$374United Airlines
Wed, Aug 26 - Sat, Sep 5
United Airlines Logo
1:06 pm - 11:04 pm
ILM
-
SEA
12h 58m
2 stops
United Airlines Logo
11:59 pm - 3:37 pm
SEA
-
ILM
12h 38m
2 stops
$379United Airlines
Wed, Aug 26 - Sat, Sep 5
United Airlines Logo
4:44 pm - 10:43 pm
ILM
-
SEA
8h 59m
1 stop
United Airlines Logo
11:59 pm - 3:37 pm
SEA
-
ILM
12h 38m
2 stops
$420United Airlines
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
1:06 pm - 11:04 pm
ILM
-
SEA
12h 58m
2 stops
United Airlines Logo
11:59 pm - 3:37 pm
SEA
-
ILM
12h 38m
2 stops
$426United Airlines
Wed, Aug 26 - Sat, Sep 5
American Airlines Logo
1:52 pm - 6:48 pm
ILM
-
SEA
7h 56m
1 stop
American Airlines Logo
10:15 am - 11:05 pm
SEA
-
ILM
9h 50m
1 stop
$445American Airlines
Wed, Aug 26 - Sat, Sep 5
United Airlines Logo
3:41 pm - 11:16 pm
ILM
-
SEA
10h 35m
1 stop
United Airlines Logo
11:59 pm - 3:37 pm
SEA
-
ILM
12h 38m
2 stops
$469United Airlines
Wed, Aug 5 - Tue, Aug 11
United Airlines Logo
3:41 pm - 11:16 pm
ILM
-
SEA
10h 35m
1 stop
United Airlines Logo
11:59 pm - 3:37 pm
SEA
-
ILM
12h 38m
2 stops
$477United Airlines
Wed, Aug 5 - Tue, Aug 11
United Airlines Logo
1:06 pm - 11:04 pm
ILM
-
SEA
12h 58m
2 stops
United Airlines Logo
10:58 pm - 12:03 pm
SEA
-
ILM
10h 05m
1 stop
$484United Airlines
Wed, Aug 26 - Sat, Sep 5
American Airlines Logo
5:06 am - 9:47 am
ILM
-
SEA
7h 41m
1 stop
American Airlines Logo
9:35 pm - 8:19 am
SEA
-
ILM
7h 44m
1 stop
$496American Airlines
Wed, Jul 29 - Mon, Aug 3

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American Airlines flights from Wilmington to Seattle

Our best American Airlines deals on Wilmington to Seattle flight tickets
American Airlines
Aug 26
ILM1:52 pmWilmington New Hanover County
7h 56m
1 stop
SEA6:48 pmSeattle/Tacoma Intl
Sep 5
SEA10:15 amSeattle/Tacoma Intl
9h 50m
1 stop
ILM11:05 pmWilmington New Hanover County
$445
American Airlines
Jul 29
ILM5:06 amWilmington New Hanover County
7h 41m
1 stop
SEA9:47 amSeattle/Tacoma Intl
Aug 3
SEA9:35 pmSeattle/Tacoma Intl
7h 44m
1 stop
ILM8:19 amWilmington New Hanover County
$496
American Airlines
Aug 5
ILM7:46 amWilmington New Hanover County
10h 10m
1 stop
SEA2:56 pmSeattle/Tacoma Intl
Aug 11
SEA5:10 amSeattle/Tacoma Intl
6h 36m
1 stop
ILM2:46 pmWilmington New Hanover County
$509

Delta flights from Wilmington to Seattle

Our best Delta deals on Wilmington to Seattle flight tickets
Delta
Jul 28
ILM6:48 pmWilmington New Hanover County
8h 11m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Aug 2
SEA9:45 pmSeattle/Tacoma Intl
9h 10m
1 stop
ILM9:55 amWilmington New Hanover County
$562
Delta
Sep 10
ILM4:31 pmWilmington New Hanover County
10h 28m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Sep 13
SEA11:59 pmSeattle/Tacoma Intl
6h 40m
1 stop
ILM9:39 amWilmington New Hanover County
$573
Delta
Jul 29
ILM2:28 pmWilmington New Hanover County
7h 37m
1 stop
SEA7:05 pmSeattle/Tacoma Intl
Aug 2
SEA9:45 pmSeattle/Tacoma Intl
9h 10m
1 stop
ILM9:55 amWilmington New Hanover County
$599

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 July 1, 2026.
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

Cheapest round-trip

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/26

4:44 pm-10:43 pm

1 stop8h 59m

Seattle/Tacoma Intl

Sat 9/5

10:58 pm-12:03 pm

1 stop10h 05m

$369

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/26

4:44 pm-10:43 pm

1 stop8h 59m

Seattle/Tacoma Intl

Sat 9/5

11:59 pm-3:37 pm

2 stops12h 38m

$374

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/26

1:06 pm-11:04 pm

2 stops12h 58m

Seattle/Tacoma Intl

Sat 9/5

11:59 pm-3:37 pm

2 stops12h 38m

$379

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/19

4:44 pm-10:43 pm

1 stop8h 59m

Seattle/Tacoma Intl

Tue 8/25

11:59 pm-3:37 pm

2 stops12h 38m

$420

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/26

1:06 pm-11:04 pm

2 stops12h 58m

Seattle/Tacoma Intl

Sat 9/5

11:59 pm-3:37 pm

2 stops12h 38m

$426

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/26

1:52 pm-6:48 pm

1 stop7h 56m

Seattle/Tacoma Intl

Sat 9/5

10:15 am-11:05 pm

1 stop9h 50m

$445

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/5

3:41 pm-11:16 pm

1 stop10h 35m

Seattle/Tacoma Intl

Tue 8/11

11:59 pm-3:37 pm

2 stops12h 38m

$469

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/5

3:41 pm-11:16 pm

1 stop10h 35m

Seattle/Tacoma Intl

Tue 8/11

11:59 pm-3:37 pm

2 stops12h 38m

$477

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 8/26

1:06 pm-11:04 pm

2 stops12h 58m

Seattle/Tacoma Intl

Sat 9/5

10:58 pm-12:03 pm

1 stop10h 05m

$484
Quickest round-trip

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 7/29

5:06 am-9:47 am

1 stop7h 41m

Seattle/Tacoma Intl

Mon 8/3

9:35 pm-8:19 am

1 stop7h 44m

$496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Wilmington and Seattle?

What is the cheapest month to fly to Seattle?

In general, October 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 $368. If you don’t want to visit Seattle in October, then you should wait until November to fly from Wilmington, when ticket prices are also cheap, with an average price of $388.

How have Wilmington to Seattle flight prices changed over time?

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

8h 11m

Direct flights

None
The fastest flight from Wilmington to Seattle takes 8h 11m
There are no direct flights from Wilmington to Seattle. There are no popular flight routes from Wilmington to Seattle.
Search flight deals

Frequently asked questions about flying from Wilmington to Seattle

  • 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 8h 11m 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
7.1
11,765 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
Redmond
Kent
Lakewood
Puyallup
Tukwila
Cle Elum
Federal Way
Fife
Marysville
Centralia
Kirkland
Shoreline
Westport

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.

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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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