Cheap Flights from Washington (IAD) to Niagara Falls (IAG)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

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Alternative airports near Niagara Falls

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest option available. Average driving time to city center is 34 minutes. Flights from $204
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center34 min
Flights from $204
Flights from Washington (IAD) to Niagara Falls (IAG)
Origin airport
Washington Dulles Intl.
Destination airport
Niagara Falls Intl.
Distance
296 mi

Washington to Niagara Falls Flights

The cheapest times to fly from Washington to Niagara Falls

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

 

The best time to book a flight from Washington to Niagara Falls

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

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 Niagara Falls 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 Niagara Falls 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 Niagara Falls 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 Niagara Falls Intl. Airport (IAG) cost?
Lock in a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Niagara Falls Intl. Airport (IAG) 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 Niagara Falls Intl. Airport (IAG)?
The cheapest month to fly from IAD to IAG is , when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Niagara Falls Intl. Airport (IAG)?
To find the cheapest airline flying from IAD to IAG, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Niagara Falls Intl. Airport (IAG)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Niagara Falls Intl. Airport (IAG) 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 details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to IAG?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the season and airline.*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 Niagara Falls Intl. Airport (IAG)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to Niagara Falls Intl. Airport (IAG) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being 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.
What airports do you fly into for Niagara Falls from Washington Dulles Intl. Airport (IAD)?
Board a direct flight from Washington Dulles Intl. Airport (IAD) to Niagara Falls and land at any one of these airports:

  • Pearson Intl. Airport (YYZ)
  • Buffalo Niagara Intl. Airport (BUF)
  • Billy Bishop Toronto City Airport (YTZ)

Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Niagara Falls Intl. Airport (IAG) last-minute?
Last-minute fares from IAD to IAG are generally more expensive. To lock in the lowest prices, start searching for flights early. That being said, if you're flexible with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book an IAD to IAG flight and hotel package?
You can save money by securing an IAD to IAG 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 place. After choosing your ideal accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Niagara Falls Intl. Airport (IAG)?
It's usually possible to reschedule or cancel your IAD to IAG flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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