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Cheap flights from Wilmington to Seattle from $198

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 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Wilmington to Seattle

Cheap round-trip flights

American Airlines Logo
6:20 am - 1:10 pmILM-SEA
9h 50m1 stop
American Airlines Logo
5:24 am - 4:43 pmSEA-ILM
8h 19m1 stop
$309American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 19
American Airlines Logo
5:05 am - 1:10 pmILM-SEA
11h 05m2 stops
American Airlines Logo
6:19 am - 6:52 pmSEA-ILM
9h 33m1 stop
$314American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 19
Delta Logo
6:00 am - 12:29 pmILM-SEA
9h 29m1 stop
Delta Logo
6:00 am - 4:48 pmSEA-ILM
7h 48m1 stop
$424Delta
Find Deal
Wed, Jan 21 - Sat, Jan 24
Delta Logo
10:16 am - 3:50 pmILM-SEA
8h 34m1 stop
Delta Logo
11:20 pm - 9:31 amSEA-ILM
7h 11m1 stop
$434Delta
Find Deal
Thu, Oct 23 - Sun, Oct 26
Alaska Airlines Logo
1:29 pm - 10:29 pmILM-SEA
12h 00m2 stops
Alaska Airlines Logo
9:45 pm - 10:54 amSEA-ILM
10h 09m1 stop
$485Alaska Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
Alaska Airlines Logo
1:29 pm - 8:07 amILM-SEA
21h 38m2 stops
Alaska Airlines Logo
9:45 pm - 10:54 amSEA-ILM
10h 09m1 stop
$489Alaska Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
United Airlines Logo
6:15 am - 4:13 pmILM-SEA
12h 58m2 stops
United Airlines Logo
7:00 am - 11:25 pmSEA-ILM
13h 25m2 stops
$490United Airlines
Find Deal
Wed, Jan 14 - Tue, Jan 20
United Airlines Logo
6:15 am - 4:13 pmILM-SEA
12h 58m2 stops
United Airlines Logo
11:50 pm - 11:25 pmSEA-ILM
20h 35m2 stops
$542United Airlines
Find Deal
Wed, Jan 21 - Sun, Jan 25
JetBlue Logo
10:48 am - 10:05 pmILM-SEA
14h 17m1 stop
JetBlue Logo
9:14 pm - 10:03 amSEA-ILM
9h 49m1 stop
$613JetBlue
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Fri, Aug 29 - Mon, Sep 1
JetBlue Logo
10:48 am - 8:25 pmILM-SEA
12h 37m2 stops
JetBlue Logo
9:14 pm - 10:45 amSEA-ILM
10h 31m1 stop
$639JetBlue
Find Deal
Thu, Aug 28 - Tue, Sep 2

American Airlines flights from Wilmington to Seattle

Our best American Airlines deals on Wilmington to Seattle flight tickets
American Airlines
Nov 8
ILM6:20 amWilmington New Hanover County
9h 50m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
Nov 19
SEA5:24 amSeattle/Tacoma Intl
8h 19m
1 stop
ILM4:43 pmWilmington New Hanover County
$309
Find similar
American Airlines
Nov 8
ILM5:05 amWilmington New Hanover County
11h 05m
2 stops
SEA1:10 pmSeattle/Tacoma Intl
Nov 19
SEA6:19 amSeattle/Tacoma Intl
9h 33m
1 stop
ILM6:52 pmWilmington New Hanover County
$314
Find similar
American Airlines
Nov 8
ILM5:05 amWilmington New Hanover County
11h 05m
2 stops
SEA1:10 pmSeattle/Tacoma Intl
Nov 19
SEA9:00 amSeattle/Tacoma Intl
8h 52m
2 stops
ILM8:52 pmWilmington New Hanover County
$319
Find similar

United Airlines flights from Wilmington to Seattle

Our best United Airlines deals on Wilmington to Seattle flight tickets
United Airlines
Jan 14
ILM6:15 amWilmington New Hanover County
12h 58m
2 stops
SEA4:13 pmSeattle/Tacoma Intl
Jan 20
SEA7:00 amSeattle/Tacoma Intl
13h 25m
2 stops
ILM11:25 pmWilmington New Hanover County
$490
Find similar
United Airlines
Jan 21
ILM6:15 amWilmington New Hanover County
12h 58m
2 stops
SEA4:13 pmSeattle/Tacoma Intl
Jan 25
SEA11:50 pmSeattle/Tacoma Intl
20h 35m
2 stops
ILM11:25 pmWilmington New Hanover County
$542
Find similar
United Airlines
Sep 4
ILM7:05 amWilmington New Hanover County
14h 44m
2 stops
SEA6:49 pmSeattle/Tacoma Intl
Sep 9
SEA11:54 pmSeattle/Tacoma Intl
10h 59m
2 stops
ILM1:53 pmWilmington New Hanover County
$596
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 July 31, 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

Sat 11/8

6:20 am-1:10 pm

1 stop9h 50m

Seattle/Tacoma Intl

Wed 11/19

5:24 am-4:43 pm

1 stop8h 19m

$309

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Sat 11/8

5:05 am-1:10 pm

2 stops11h 05m

Seattle/Tacoma Intl

Wed 11/19

6:19 am-6:52 pm

1 stop9h 33m

$314

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 1/21

6:00 am-12:29 pm

1 stop9h 29m

Seattle/Tacoma Intl

Sat 1/24

6:00 am-4:48 pm

1 stop7h 48m

$424

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Thu 10/23

10:16 am-3:50 pm

1 stop8h 34m

Seattle/Tacoma Intl

Sun 10/26

11:20 pm-9:31 am

1 stop7h 11m

$434

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Thu 9/4

1:29 pm-10:29 pm

2 stops12h 00m

Seattle/Tacoma Intl

Tue 9/9

9:45 pm-10:54 am

1 stop10h 09m

$485

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Mon 9/15

1:29 pm-8:07 am

2 stops21h 38m

Seattle/Tacoma Intl

Mon 9/22

9:45 pm-10:54 am

1 stop10h 09m

$489

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 1/14

6:15 am-4:13 pm

2 stops12h 58m

Seattle/Tacoma Intl

Tue 1/20

7:00 am-11:25 pm

2 stops13h 25m

$490

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Wed 1/21

6:15 am-4:13 pm

2 stops12h 58m

Seattle/Tacoma Intl

Sun 1/25

11:50 pm-11:25 pm

2 stops20h 35m

$542

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Fri 8/29

10:48 am-10:05 pm

1 stop14h 17m

Seattle/Tacoma Intl

Mon 9/1

9:14 pm-10:03 am

1 stop9h 49m

$613

WilmingtonSeattle

ILM - SEA

ILMSEA

Wilmington New Hanover County

Thu 8/28

10:48 am-8:25 pm

2 stops12h 37m

Seattle/Tacoma Intl

Tue 9/2

9:14 pm-10:45 am

1 stop10h 31m

$639

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 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 $428. If you don’t want to visit Seattle in September, then you should wait until March to fly from Wilmington, when ticket prices are also cheap, with an average price of $444.

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 July 2025, prices for Wilmington to Seattle flights are approximately 6% 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

Best Price Found

$198

Fastest flight time

7h 28m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Wilmington in the past 72 hours is $198. The best round-trip flight deal from Wilmington to Seattle found on momondo in the last 72 hours is $309.
The fastest flight from Wilmington to Seattle takes 7h 28m
There are no direct flights from Wilmington to Seattle. Popular non-direct route for this connection is Wilmington New Hanover County Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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  • 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 7h 28m 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
DeltaPriceFrom $308Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $308Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Seattle?

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

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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