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

You can find one-way and return flights from ILM to SEA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ILM to SEA ticket fares go up or down.

October is typically the cheapest month to fly from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares around £313. October often sees lower prices because it falls outside of peak holiday seasons, when demand tends to decrease. Other cheap months to fly from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include January and February.

Enter ILM to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Sun Country Airlines is one of the cheapest airlines offering connecting return flights from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with tickets starting from around £421 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) is typically October or February. These months offer a great balance—prices are reasonable at around £313 for a return flight. While these might be the cheapest months, you'll still find plenty of flight options to suit your schedule. If you're flexible, these months give you both affordable fares and excellent flight schedules to work with.

There are approximately 29 connecting flights per day from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Liberty Intl. (EWR), Hartsfield-Jackson Atlanta Intl. (ATL), and Charlotte-Douglas Intl. (CLT).

The earliest flight from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 5:00 AM local time. This service is operated by American Airlines and is seasonal, active only in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Friday, with around 19 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, Delta, and United. Flight schedules are consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.

The most popular departure times for flights from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travelers prefer this because it allows for an early start to their journey, often leading to an earlier arrival at their destination.

There are no nonstop flights from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Flights with one stop typically take around 9 hours 30 minutes, covering a distance of approximately 3,948 kilometres. If you opt for a flight with two or more stops, your travel time will be longer, usually around 15 hours 30 minutes. Keep in mind that these are average times, and your actual flight duration can vary depending on the specific routing, layover times, and even weather conditions.

You can fly business class or first class between ILM and SEA. Airlines that offer business class service on this route include:

* Alaska Airlines
* Delta
* United
* American Airlines

First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.

It's easy to earn miles on a Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Seattle from Wilmington Intl. (ILM), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Liberty Intl. (EWR), Charlotte-Douglas Intl. (CLT), or LaGuardia (LGA) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Wilmington, NC (ILM-Wilmington Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.