Cheap Flights from Wilmington to Seattle

Compare Wilmington to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Wilmington Airport to Seattle

Looking for a cheap last-minute deal or the best return flight from Wilmington Airport to Seattle? If you want to travel next month, return fares start from ر.ق.‏ 1,578. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Wilmington to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Wilmington to Seattle flights are currently cheapest in April.

Wilmington to Seattle: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 660
Cheapest month to flyApril

Finding cheap flights from Wilmington to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Wilmington to Seattle is ر.ق.‏ 1,460. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Wilmington to Seattle. But we found flights with one or more stops from ر.ق.‏ 1,460.
As of March 2026, there are no flights flying from Wilmington to Seattle.
The cheapest month to fly from Wilmington to Seattle is usually June.
If you're flying from Wilmington Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from ر.ق.‏ 1,460.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Wilmington Airport to Seattle on Monday, 1 June 2026.
No airlines currently offer direct flights between Wilmington Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Breeze Airways offers the cheapest flight tickets to Seattle.

Travelling from Wilmington International Airport (ILM) to Seattle: what you need to know

  • Seattle is three hours behind Wilmington, where Wilmington International Airport is located. Seattle follows the UTC-7 timezone.

  • Allow plenty of time to make your ILM to Seattle flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Heading off during a peak time like public or school holidays? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • ILM is around 6 kilometres from central Wilmington. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 15 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 2 hours 50 minutes.

  • Have an early flight from Wilmington International Airport to Seattle? Avoid rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to ILM:

  • 79.81% of flights that depart Wilmington International Airport make it to their destination on time.

  • ILM is located at 1740 Airport Boulevard.

How to find the cheapest flights from Wilmington International Airport (ILM) to Seattle

  • ر.ق.‏ 660 is the cheapest price we've found for a one-way Wilmington International Airport to Seattle flight. A return flight ticket right now is ر.ق.‏ 1,460. Depending on when you want to go and the availability, these fares can change.

  • Don't wait until the last moment. You're more likely to pick up cheap flights from ILM to Seattle if you book in advance. Airlines often have some great early bird deals.

  • If you have flexibility with your travel dates, use the 'Whole month' tool. It'll find the lowest price across every month when looking for a Wilmington International Airport to Seattle ticket.

  • Stay on top of deals for cheap flights from ILM to Seattle by creating a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Tailor your trip with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Wilmington International Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It'll take you about 20 minutes to get to the centre driving.

  • Travelling to the centre by public transport takes about 55 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Wilmington International Airport to Seattle. Check in to one of these accommodation options near SEA instead:

  • Fast-track your adventure by picking up a Seattle-Tacoma International Airport rental car. Grab a set of wheels from Thrifty, Europcar or Budget and explore beyond Seattle's usual tourist stops.

  • Secure the lowest price by reserving your ride from Seattle-Tacoma International Airport around one week ahead of your flight from ILM to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • Lake Union Sea Plane Base Airport (LKE) is roughly 3 kilometres from the centre of Seattle. After your flight from Wilmington International Airport to Seattle, it'll take you around 10 minutes to get to the heart of the city in a cab or ride-share.

  • The journey will take roughly 25 minutes on public transport.

  • You'll find some comfortable places to rest your head close to LKE. Settle in and get cosy after your ILM to Seattle flight at one of these well-located options:

Best time to go to Seattle

  • Travel to Seattle during peak season if you prefer a bustling atmosphere, but remember that hotel prices may be higher. Alternatively, book your flights from Wilmington International Airport to Seattle during low season when prices are cheaper and it's less crowded.

  • Lock in a Wilmington International Airport to Seattle flight ticket with a departure in August to explore the city during its warmest month. Expect temperatures to range from 12ºC to 28ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from ILM to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the perfect place to stay. After booking your flight from Wilmington International Airport to Seattle, check out our range of hotels including:

  • Every great journey has to include some sightseeing. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are must-visits when exploring Seattle.

Explore more of United States

  • You've seen Seattle, now it's time to explore more of United States. Journey around 241 kilometres south to Portland to tick off its top sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, there's plenty to keep you busy.

  • Spokane is another favourite destination in United States and is around 370 kilometres east of Seattle. No trip is complete without a visit to Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.