Cheap Flights from Seattle (SEAA) to Wilmington (ILM)

Compare Seattle to Wilmington flight deals

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

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Flight deals from Seattle to Wilmington

Looking for a cheap last-minute deal or the best return flight from Seattle to Wilmington? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Wilmington

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

Seattle to Wilmington: Alternative routes

Compare routes from Seattle to Wilmington below. You may find an airport to fly into that's cheaper, faster, or easier than Wilmington.

Seattle to Wilmington: Flight information

The things to know before you go.
Cheapest flight found£258
Cheapest month to flyApril

Finding cheap flights from Seattle to Wilmington: Frequently asked questions

The best price we found for a return flight from Seattle to Wilmington is £258. 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 Seattle to Wilmington. But we found flights with one stop from £258.
As of March 2026, there are no flights flying from Seattle to Wilmington.
The cheapest month to fly from Seattle to Wilmington is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Wilmington Airport on Wednesday, 29 April 2026.
No airlines currently offer direct flights between Seattle and Wilmington Airport. 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 Wilmington 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 Wilmington is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Wilmington is Frontier Airlines .

Flying from Seattle to Wilmington International Airport (ILM): What you need to know

  • Seattle's main airport is Seattle-Tacoma International Airport (SEA). Explore your departure options from this terminal when reserving your flights from Seattle to Wilmington International Airport (ILM).

  • Wilmington International Airport is located in Wilmington. The city operates on the UTC-4 timezone and is three hours ahead of Seattle.

  • Leave enough time to catch your flight from Seattle to ILM. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a bank holiday or other peak period, allow for even more time. Get there two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Travelling from central Seattle to SEA takes about 55 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 23 kms (14 miles) in 20 minutes or so, depending on traffic conditions.

  • Catching an early flight from Seattle to Wilmington International Airport? Avoid the mad dash to the terminal (and sneak in some extra snooze time) by staying at one of these hotels near Seattle-Tacoma International Airport:

  • Seattle-Tacoma International Airport scores high marks for on-time performance. 81.27% of flights that depart SEA arrive at their destination without delay.

Lake Union Sea Plane Base Airport (LKE)

  • LKE is around 3 kms (2 miles) from central Seattle. It'll take you 10 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 25 minutes.

  • Want to treat yourself to an extra night away before catching your Seattle to ILM flight? Kick back in a hotel near Lake Union Sea Plane Base Airport before your trip officially begins. These stays have your key waiting:

About Wilmington International Airport (ILM)

Getting from Wilmington International Airport (ILM) to central Wilmington

  • Wilmington International Airport is around 4 miles from central Wilmington. How long it takes to get there in a cab or car hire will depend on the time of day. Do a little research before you go.

  • Travelling on public transport typically takes 2 hours 50 minutes.

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

  • £135 is currently the lowest price for a one-way ticket from Seattle to Wilmington International Airport. Return flights start at £258. These fares may change depending on demand and availability.

  • To pick up cheap flights from Seattle to ILM, book ahead. Airlines generally offer lower fares when tickets first go on sale.

  • Cheap Seattle to Wilmington International Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' tool to compare fares across the month and then fly out on the cheapest day.

  • Locking in a cheap plane ticket from Seattle to ILM is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as prices go down.

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

The best time to fly from Seattle to Wilmington International Airport (ILM)

  • July is the busiest month for flights from Seattle to Wilmington International Airport (ILM). Visit Wilmington in February for a quieter experience.

  • Before locking in your Seattle to ILM plane ticket, consider what kind of weather you prefer. July is the warmest month in Wilmington, with temperatures ranging from 23ºC (73ºF) to 32ºC (90ºF).

  • January sees temperatures of between 1ºC (34ºF) and 16ºC (61ºF). Search for cheap tickets from Seattle to Wilmington International Airport around that time if you like travelling in cooler conditions.

More about Wilmington

Explore more of the United States

  • Wilmington has plenty to offer, but there are so many other parts of the United States waiting to be discovered. Around 290 kms (180 miles) north-west of Wilmington, a visit to Charlotte will keep your itinerary busy. Start with leading attractions like Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.

  • Around 177 kms (110 miles) north of Wilmington, Raleigh is another favourite stop in the United States. No visit is complete without checking out North Carolina Museum of Art, North Carolina Museum of Natural Sciences and Dorothea Dix Park.

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