Cheap Flights from Chicago (ORD) to Decatur Island (DTR)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR)

Alternative airports near Decatur Island

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

Select flight to Victoria Intl. YYJ. Flights from $530
YYJ
Victoria Intl.
Flights from $530
Select flight to Bellingham Intl. BLI. Cheapest option available. Flights from $434
BLI
Bellingham Intl.
Cheapest
Flights from $434

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR) cost?
Get a cheap one-way flight or cheap return flight from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR)?
is the least expensive month to fly from ORD to DTR. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ORD to DTR flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR)?
Nonstop flights from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to DTR?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR)?
Choose a flight from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR) last-minute?
Last-minute bookings from ORD to DTR are generally more expensive. For the lowest rates, start searching for flights as early as possible. That said, if you're flexible with your travel plans, you may find a cheap ticket just before your departure.
Is it cheaper to book an ORD to DTR flight and hotel package?
You can save money by booking an ORD to DTR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Decatur Island, WA (DTR)?
If you reserved your ORD to DTR flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Decatur Island
Distance
1740 mi

Book with confidence

Chicago to Decatur Island Flights

The cheapest times to fly from Chicago to Decatur Island

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 Chicago to Decatur Island are during the month of . You can find some of the cheapest flights from Chicago to Decatur Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Decatur Island

Sunday is one of the best days to book for cheap flights from Chicago to Decatur Island: 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 Chicago to Decatur Island

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 Chicago to Decatur Island in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Chicago to Decatur Island 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 Chicago to Decatur Island 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.

 

Chicago to Decatur Island Flights

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*Available to One Key members.