Cheap Flights from Washington (IAD) to Gary (GYY)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.)

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Alternative airports near Gary

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

Select flight to Midway Intl. MDW. Cheapest option available. Average driving time to city center is 38 minutes. Flights from $357
MDW
Midway Intl.
Cheapest
Average driving time to city center38 min
Flights from $357
Flights from Washington (IAD) to Gary (GYY)
Origin airport
Washington Dulles Intl.
Destination airport
Gary - Chicago Intl.
Distance
555 mi

Washington to Gary Flights

The cheapest times to fly from Washington to Gary

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

 

The best time to book a flight from Washington to Gary

Sunday is one of the best days to book for cheap flights from Washington to Gary: 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 Washington to Gary

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 Washington to Gary 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 Washington to Gary 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 Washington to Gary 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 Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.) cost?
Lock in a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.)?
Flying in is a good way to save, as it's the cheapest month for flights between IAD and GYY. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAD to GYY flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to GYY?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.)?
To reach Gary, IN (GYY-Gary - Chicago Intl.) on schedule, opt for a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Gary from Washington Dulles Intl. Airport (IAD)?
Check out your flight options from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD). This is the only Gary airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.) last-minute?
Holding off until just before your trip to book a flight from IAD to GYY generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book an IAD to GYY flight and hotel package?
You'll typically save money by booking an IAD to GYY flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Gary, IN (GYY-Gary - Chicago Intl.)?
In most instances, you can modify or cancel your IAD to GYY flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

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