Cheap flights from Wilmington to Seattle (ILM - SEA)

Know your dates, get live prices in seconds:

From
To
Wed 7/13
Wed 7/20
Any month
Compare vs. Cheapflights |
From
To
Depart
Wed 7/13
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Wilmington New Hanover County to Seattle/Tacoma Intl are usually found in January or August, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

How to find the cheapest flight from
Wilmington (ILM) to Seattle (SEA)

All the information you need to plan the best ILM to SEA flight in 2021: compare Wilmington to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
ILM - SEA
Price
$292 - $522
SEA
Temperature
41 - 66.2 °F
SEA
Precipitation
0.7 - 6.6 inches

Popular in

December

High demand for flights, 29% potential price rise

Cheapest in

January

Best time to find cheap flights, 21% potential price drop

Round-trip from

$292

From Wilmington New Hanover County to Seattle/Tacoma Intl

One-way from

$158

One-way flight from Wilmington New Hanover County to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Wilmington to Seattle (ILM - SEA)?

One of the essential ways to save on airfare from Wilmington to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 44% on airfare.

How far in advance should I book a flight from Wilmington to Seattle?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 54% on flights from Wilmington to Seattle compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $456. For sooner than that we have options available in the next 3 days from $570.

What is the cheapest day to fly round-trip from Wilmington to Seattle?

Travelers have found that booking a Tuesday departure is the best way to save up to 66% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Cheap flights from Wilmington to Seattle in December, January 2022

The best prices found for ILM to SEA flights for December, January
10 Dec - 12 Dec
$537pp
ILM
Wilmington New Hanover County
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ILM
Wilmington New Hanover County
10 Dec - 12 Dec
$541pp
ILM
Wilmington New Hanover County
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
ILM
Wilmington New Hanover County
10 Dec - 12 Dec
$556pp
ILM
Wilmington New Hanover County
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ILM
Wilmington New Hanover County

Wilmington New Hanover County to Seattle 2022 flight deals

Cheap flights to Seattle from Wilmington found for this year
10 Dec - 12 Dec
$537pp
ILM
Wilmington New Hanover County
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ILM
Wilmington New Hanover County
10 Dec - 12 Dec
$541pp
ILM
Wilmington New Hanover County
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
ILM
Wilmington New Hanover County
10 Dec - 12 Dec
$556pp
ILM
Wilmington New Hanover County
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ILM
Wilmington New Hanover County

Last minute flights from Wilmington to Seattle

Late deals on round-trip flights to Seattle from Wilmington, departing today and this week
10 Dec - 12 Dec
$537pp
ILM
Wilmington New Hanover County
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ILM
Wilmington New Hanover County
10 Dec - 12 Dec
$541pp
ILM
Wilmington New Hanover County
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
ILM
Wilmington New Hanover County
10 Dec - 12 Dec
$556pp
ILM
Wilmington New Hanover County
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ILM
Wilmington New Hanover County

One-way flights to Seattle/Tacoma Intl from Wilmington

The cheapest one-way flights from Wilmington to Seattle
9:30 am - 3:39 pm
United Airlines
1 Stop
9h 09m
ILM - SEA
United Airlines
$158
United
9:36 am - 2:54 pm
American Airlines
1 Stop
8h 18m
ILM - SEA
American Airlines
12:24 pm - 6:01 pm
American Airlines
1 Stop
8h 37m
ILM - SEA
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Wilmington</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Wilmington to Seattle

Which airlines flying from Wilmington New Hanover County to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Wilmington New Hanover County to Seattle/Tacoma Intl have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Wilmington to Seattle for under $400 on Cheapflights?

Yes, there are multiple flights from Wilmington to Seattle for under $400. The cheapest flight booked recently is on American Airlines for just $312, but on average you can expect to pay $466.

Are there last-minute flights available from Wilmington to Seattle for under $600?

There are currently 20+ open flights from Wilmington to Seattle within the next 7 days for less than $600.

How popular is this Wilmington to Seattle flight route?

The Wilmington New Hanover County to Seattle/Tacoma Intl flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Wilmington to Seattle round-trip?

Cheapflights users have booked flights from Wilmington to Seattle round-trip from $312. Other airlines that can offer you cheap pricing are United Airlines, from $787, and Delta, from $897. American Airlines is 15% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest flights from Wilmington to Seattle?

While on average a flight from Wilmington to Seattle is generally $322, our data shows the cheapest flight currently is $151. When looking at the most popular route, (Wilmington New Hanover County - Seattle/Tacoma Intl), you can expect to pay $383 for that flight.

What are the most popular airlines that fly from Wilmington to Seattle?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Wilmington to Seattle.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Wilmington?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Wilmington New Hanover County need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Wilmington New Hanover County must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Wilmington New Hanover County are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Wilmington from Seattle?

Returning to Wilmington New Hanover County from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Wilmington New Hanover County.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Wilmington New Hanover County.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Wilmington to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Wilmington to Seattle.
Average temperature for December in Seattle
46.4 °F
Avg rainfall for December in Seattle
5.3 ″

Airports servicing Wilmington

Airports servicing Seattle

Top 3 airlines flying from Wilmington New Hanover County to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users traveling from Wilmington to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$132 $492 No cancel fee N/A
United Airlines
$132 $394 No cancel fee 69%
American Airlines
$192 $432 No cancel fee 71%
Home North America USA Washington Seattle Cheap flights from Wilmington to Seattle