$256 Cheap Flights from Wilmington (ILG) to Portland (PWM)

View $256 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Wilmington to Portland (ILG-PWM)

Prices were available within the past 7 days and start at $256 for one-way flights and $370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Oct 4 - Tue, Oct 7
ILG
Wilmington
PWM
Portland
$370 Roundtrip, found 1 day ago
$370
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 4 from Wilmington to Portland, returning Tue, Oct 7, priced at $370 found 1 day ago
American Airlines
Sat, Oct 18 - Sat, Oct 25
ILG
Wilmington
PWM
Portland
$380 Roundtrip, found 6 days ago
$380
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 18 from Wilmington to Portland, returning Sat, Oct 25, priced at $380 found 6 days ago
American Airlines
Sat, Oct 18 - Sat, Oct 25
ILG
Wilmington
PWM
Portland
$390 Roundtrip, found 6 days ago
$390
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 18 from Wilmington to Portland, returning Sat, Oct 25, priced at $390 found 6 days ago
American Airlines
Sat, Oct 4 - Tue, Oct 7
ILG
Wilmington
PWM
Portland
$430 Roundtrip, found 1 day ago
$430
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 4 from Wilmington to Portland, returning Tue, Oct 7, priced at $430 found 1 day ago
American Airlines
Sat, Sep 20 - Mon, Sep 22
ILG
Wilmington
PWM
Portland
$431 Roundtrip, found 2 days ago
$431
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 20 from Wilmington to Portland, returning Mon, Sep 22, priced at $431 found 2 days ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
ILG
Wilmington
PWM
Portland
$432 Roundtrip, found 13 hours ago
$432
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Nov 13 from Wilmington to Portland, returning Sun, Nov 16, priced at $432 found 13 hours ago
American Airlines
Tue, Nov 11 - Sat, Nov 15
ILG
Wilmington
PWM
Portland
$439 Roundtrip, found 13 hours ago
$439
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Nov 11 from Wilmington to Portland, returning Sat, Nov 15, priced at $439 found 13 hours ago
American Airlines
Tue, Nov 11 - Mon, Nov 17
ILG
Wilmington
PWM
Portland
$440 Roundtrip, found 13 hours ago
$440
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Nov 11 from Wilmington to Portland, returning Mon, Nov 17, priced at $440 found 13 hours ago
American Airlines
Sat, Oct 18 - Sat, Oct 25
ILG
Wilmington
PWM
Portland
$440 Roundtrip, found 6 days ago
$440
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 18 from Wilmington to Portland, returning Sat, Oct 25, priced at $440 found 6 days ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
ILG
Wilmington
PWM
Portland
$442 Roundtrip, found 13 hours ago
$442
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Nov 13 from Wilmington to Portland, returning Sun, Nov 16, priced at $442 found 13 hours ago

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. Jetport PWM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $487
PWM
Portland Intl. Jetport
CheapestClosest
Average driving time to city center8 min
Flights from $487
Flights from Wilmington (ILG) to Portland (PWM)
Origin airport
New Castle
Destination airport
Portland Intl. Jetport
Airlines serving
American Airlines
Roundtrip price
$370
Distance
386 mi

Wilmington to Portland Flights

The cheapest times to fly from Wilmington to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Wilmington to Portland are during the month of October. You can find some of the cheapest flights from Wilmington to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to Portland

Sunday is one of the best days to book for cheap flights from Wilmington to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Wilmington to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Wilmington to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $256 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Wilmington to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Wilmington to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM) cost?
Grab a cheap one-way flight from $256 or cheap return flight from $370 from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM)?
The cheapest month to fly from ILG to PWM is October, when demand is low. Off-peak season is usually when better flight deals are available between these airports.
Which airlines fly direct from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM)?
Although Wilmington, DE (ILG-New Castle) doesn't have any direct flights to Portland Intl. Jetport Airport (PWM), other airports have nonstop routes. Departing from Philadelphia Intl. Airport (PHL) will get you to Portland without any detours.
What is the cheapest airline that flies from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from ILG to PWM. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM)?
Direct flights from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ILG to PWM?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM)?
To avoid potential delays on the Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM) last-minute?
Last-minute bookings from ILG to PWM are generally more expensive. To secure the best rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may find a cheap fare right before your trip.
Is it cheaper to book an ILG to PWM flight and hotel package?
Compared with arranging hotels and flights separately, booking an ILG to PWM flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Wilmington, DE (ILG-New Castle) to Portland Intl. Jetport Airport (PWM)?
If you reserved your ILG to PWM flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.