Cheap Flights from Denver (DEN) to Niagara Falls (IAG)

Popular airlines from Denver International Airport (DEN) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.

Alternative airports near Niagara Falls

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

Frequently asked questions

How much is a flight from DEN to Niagara Falls Intl. Airport (IAG)?
The lowest price advertised for a round-trip flight from DIA airport to Niagara Falls Intl. Airport is . But you better act fast. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DEN to Niagara Falls Intl. Airport?
The majority of flights can be cancelled online, but whether or not you incur a fee all comes down to your airline. If you do need to cancel your vacation, follow the instructions in the Customer Service Portal.
How do I find cheap flights from DEN to Niagara Falls Intl. Airport (IAG) that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from Denver Airport to Niagara Falls Intl. Airport. This allows you to snag a great deal in advance and still have the freedom to reschedule without any additional fees. Just keep in mind that fare differences may still apply.
How far is the flight from DIA airport to Niagara Falls Intl. Airport?
It's around 2,200 kilometres from Denver to Niagara Falls, so expect to be strapped into your seat for a while. Keep yourself occupied with things like your e-reader or the latest bestseller.
Which airlines fly direct from Denver Intl. Airport (DEN) to Niagara Falls Intl. Airport?
If you want to travel straight from DIA airport to Niagara Falls Intl. Airport, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly between these airports.
Are DEN to Niagara Falls Intl. Airport (IAG) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from DIA airport to IAG can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out altogether! If you'd rather play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices so far in advance. Our top tip? Check back often as prices are updated frequently.

Travel information

Origin airport
Denver Intl.
Destination airport
Niagara Falls Intl.
Distance
2152 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.