How long is the flight from Washington, D.C. Dulles Intl Airport to Niagara Falls, New York?

For as low as $600, Allegiant Air can have you in Niagara Falls, New York from Washington, D.C. Dulles Intl Airport in 23h 12m. The distance between Washington, D.C. Dulles Intl Airport and Niagara Falls, New York is about 298 mi.

In terms of precipitation, rainfall in Niagara Falls, New York ranges from 2.2 - 3.4 inches per month. September is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Niagara Falls, New York when rainfall is around 2.2 in.

If weather is an important factor for your trip to Niagara Falls, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from IAD to IAG?

When flying from Washington, D.C. Dulles Intl Airport to Niagara Falls, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Niagara Falls from Washington, D.C. Dulles Intl?

For a flight from Washington, D.C. Dulles Intl to Niagara Falls, you will be flying into Niagara Falls. Niagara Falls (IAG) is just 5.7 mi from the center of the city. Niagara Falls is the only Niagara Falls airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Niagara Falls from Washington, D.C. Dulles Intl on a regular basis.

Can I find deals for flights from Dulles Intl to Niagara Falls that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Niagara Falls?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Niagara Falls.

Can I find deals for business class flights from Dulles Intl to Niagara Falls?

Yes. Cheapflights offers flight deals from Dulles Intl to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$207+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Niagara Falls, NY

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Cheap flight deals from Dulles Intl to Niagara Falls

Cheapest

Best

Last-minute

One-way

Cheapest flights from Dulles Intl to Niagara Falls
Explore the most affordable flight options available from Dulles Intl to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Wed 10/73:11 pm -

1 stop20h 01m

Thu 10/1512:02 pm -

2 stops29h 11m

Deal found 9/17

$463

Sun 10/411:47 am -

1 stop23h 12m

Thu 10/1512:02 pm -

2 stops29h 11m

Deal found 9/17

$508

Sat 10/37:28 pm -

1 stop16h 04m

Thu 10/1512:02 pm -

2 stops29h 11m

Deal found 9/17

$541

Wed 10/73:11 pm -

1 stop20h 01m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$554

Sun 10/411:47 am -

1 stop23h 12m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$600

Wed 10/73:11 pm -

1 stop20h 01m

Sun 10/1112:22 pm -

1 stop24h 59m

Deal found 9/17

$625

Sat 10/37:28 pm -

1 stop16h 04m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$633

Sun 10/411:47 am -

1 stop23h 12m

Sun 10/1112:22 pm -

1 stop24h 59m

Deal found 9/17

$671

Sat 10/37:28 pm -

1 stop16h 04m

Sun 10/1112:22 pm -

1 stop24h 59m

Deal found 9/17

$705

Best flights from Dulles Intl to Niagara Falls
Discover carefully curated flight deals from Dulles Intl to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Thu 10/88:57 pm -

1 stop12h 42m

Thu 10/1512:02 pm -

2 stops36h 19m

Deal found 9/17

$508

Sun 10/411:47 am -

1 stop23h 12m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$600

Wed 10/73:11 pm -

1 stop20h 01m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$554

Sat 10/37:28 pm -

1 stop16h 04m

Thu 10/1512:02 pm -

1 stop24h 48m

Deal found 9/17

$556

Sun 10/411:47 am -

1 stop23h 12m

Sun 10/1112:22 pm -

1 stop24h 59m

Deal found 9/17

$671

Last-minute flights from Dulles Intl to Niagara Falls
Discover last-minute flight deals from Dulles Intl to Niagara Falls. Data last updated September 22, 2026 and is based on user searches.

Sat 10/37:28 pm -

1 stop16h 04m

Thu 10/1512:02 pm -

2 stops29h 11m

Deal found 9/17

$541

Sat 10/37:28 pm -

1 stop16h 04m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$633

Sat 10/37:28 pm -

1 stop16h 04m

Sun 10/1112:22 pm -

1 stop24h 59m

Deal found 9/17

$705

Sun 10/411:47 am -

1 stop23h 12m

Thu 10/1512:02 pm -

2 stops29h 11m

Deal found 9/17

$508

Sun 10/411:47 am -

1 stop23h 12m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$600

Sun 10/411:47 am -

1 stop23h 12m

Sun 10/1112:22 pm -

1 stop24h 59m

Deal found 9/17

$671

Wed 10/73:11 pm -

1 stop20h 01m

Thu 10/1512:02 pm -

2 stops29h 11m

Deal found 9/17

$463

Wed 10/73:11 pm -

1 stop20h 01m

Wed 10/146:33 pm -

1 stop25h 34m

Deal found 9/17

$554

Wed 10/73:11 pm -

1 stop20h 01m

Sun 10/1112:22 pm -

1 stop24h 59m

Deal found 9/17

$625

One-way flights from Dulles Intl to Niagara Falls
Search for one-way flight options from Dulles Intl to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

Thu 10/158:57 pm -

1 stop12h 42m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$207

Sun 10/187:35 pm -

1 stop15h 24m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$269

Tue 10/136:08 pm -

3 stops41h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$277

Thu 10/159:06 pm -

3 stops38h 33m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$399

Sat 10/107:50 am -

3 stops27h 42m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$495

Find flight deals from Dulles Intl to Niagara Falls

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$463 (Kiwi.com)
One-way from	$207 (Kiwi.com)

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Niagara Falls flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Niagara Falls flights.

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From Washington, D.C. Dulles Intl to Niagara Falls

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One-way flight from Washington, D.C. Dulles Intl to Niagara Falls

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Thu 10/15

8:57 pm-9:39 am

1 stop12h 42m

Niagara Falls

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$207

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Sun 10/18

7:35 pm-10:59 am

1 stop15h 24m

Niagara Falls

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$269

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Tue 10/13

6:08 pm-11:12 am

3 stops41h 04m

Niagara Falls

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$277

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Sat 10/10

7:50 am-11:32 am

3 stops27h 42m

Niagara Falls

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$495

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Thu 10/8

8:57 pm-9:39 am

1 stop12h 42m

Niagara Falls

Thu 10/15

12:02 pm-12:21 am

2 stops36h 19m

$508

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Wed 10/7

3:11 pm-11:12 am

1 stop20h 01m

Niagara Falls

Wed 10/14

6:33 pm-8:07 pm

1 stop25h 34m

$554

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Sat 10/3

7:28 pm-11:32 am

1 stop16h 04m

Niagara Falls

Thu 10/15

12:02 pm-12:50 pm

1 stop24h 48m

$556

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Sun 10/4

11:47 am-10:59 am

1 stop23h 12m

Niagara Falls

Wed 10/14

6:33 pm-8:07 pm

1 stop25h 34m

$600

Washington, D.C.Niagara Falls

IAD Washington, D.C. Dulles Intl - IAG Niagara Falls

IADIAG

Washington, D.C. Dulles Intl

Sun 10/4

11:47 am-10:59 am

1 stop23h 12m

Niagara Falls

Sun 10/11

12:22 pm-1:21 pm

1 stop24h 59m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Sorted by cheapest first

Compare providers for flights from Dulles Intl to Niagara Falls

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Niagara Falls in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Niagara Falls, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Dulles Intl with our price prediction graph.

IAD-IAG

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Niagara Falls from Washington, D.C. Dulles Intl?
For a flight from Washington, D.C. Dulles Intl to Niagara Falls, you will be flying into Niagara Falls. Niagara Falls (IAG) is just 5.7 mi from the center of the city. Niagara Falls is the only Niagara Falls airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Niagara Falls from Washington, D.C. Dulles Intl on a regular basis.
How long is the flight from Washington, D.C. Dulles Intl Airport to Niagara Falls, New York?
For as low as $600, Allegiant Air can have you in Niagara Falls, New York from Washington, D.C. Dulles Intl Airport in 23h 12m. The distance between Washington, D.C. Dulles Intl Airport and Niagara Falls, New York is about 298 mi.
Can I find deals for flights from Dulles Intl to Niagara Falls that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Niagara Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Niagara Falls.
Can I find deals for business class flights from Dulles Intl to Niagara Falls?
Yes. Cheapflights offers flight deals from Dulles Intl to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Dulles Intl to Watertown flights

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$207+ Cheap flights from Dulles Intl (IAD) to Niagara Falls, NY (IAG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Niagara Falls with Cheapflights

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Cheap flight deals from Dulles Intl to Niagara Falls

Cheapest flights from Dulles Intl to Niagara FallsExplore the most affordable flight options available from Dulles Intl to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Explore the most affordable flight options available from Dulles Intl to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Best flights from Dulles Intl to Niagara FallsDiscover carefully curated flight deals from Dulles Intl to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Discover carefully curated flight deals from Dulles Intl to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Last-minute flights from Dulles Intl to Niagara FallsDiscover last-minute flight deals from Dulles Intl to Niagara Falls. Data last updated September 22, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Niagara Falls. Data last updated September 22, 2026 and is based on user searches.

One-way flights from Dulles Intl to Niagara FallsSearch for one-way flight options from Dulles Intl to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

Search for one-way flight options from Dulles Intl to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Niagara Falls that are best for you.

Compare providers for flights from Dulles Intl to Niagara Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Niagara Falls in September.

Best time to book a flight from Dulles Intl to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Dulles Intl with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Niagara Falls from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Niagara Falls, New York?

Can I find deals for flights from Dulles Intl to Niagara Falls that include hotel bookings?

How can I find direct flights from Dulles Intl to Niagara Falls?

Can I find deals for business class flights from Dulles Intl to Niagara Falls?

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Complete your trip

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Search flights from Dulles Intl to Niagara Falls by cabin class

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Other flights to Niagara Falls

Explore flights to Niagara Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.

Dulles Intl and Niagara Falls flights

Browse other Dulles Intl and Niagara Falls flight options. Last updated on September 22, 2026.

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Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.

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Cheapest flights from Dulles Intl to Niagara Falls
Explore the most affordable flight options available from Dulles Intl to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Best flights from Dulles Intl to Niagara Falls
Discover carefully curated flight deals from Dulles Intl to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Last-minute flights from Dulles Intl to Niagara Falls
Discover last-minute flight deals from Dulles Intl to Niagara Falls. Data last updated September 22, 2026 and is based on user searches.

One-way flights from Dulles Intl to Niagara Falls
Search for one-way flight options from Dulles Intl to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.