What is the cheapest airline to fly from Washington, D.C. to Niagara Falls, New York round-trip?

Cheapflights users have booked flights from Washington, D.C. to Niagara Falls, New York round-trip from $239. United Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Washington, D.C. to Niagara Falls, New York?

Travelers seeking maximum savings on their Washington, D.C. to Niagara Falls, New York flight should consider departing on Friday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Washington, D.C. to Niagara Falls, New York?

Travelers have found that booking a Sunday departure is the best way to save up to 36% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Washington, D.C. to Niagara Falls, New York?

March can be a great time to fly to Niagara Falls, New York from Washington, D.C. with a flight ticket averaging about $331. Cheapflights users have found deals in the month of March for as cheap as $222. The most expensive prices can be found in the month of September.

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

Niagara Falls (IAG) is the airport you will fly into if you book a flight from Washington, D.C. to Niagara Falls. You should not have trouble finding flights to Niagara Falls from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Niagara Falls airport from Washington, D.C.. It is only a 5.7 mi journey from Niagara Falls (IAG) to Niagara Falls’s city center.

Can I find deals for flights from Washington, D.C. to Niagara Falls that include hotel bookings?

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

How can I find direct flights from Washington, D.C. to Niagara Falls?

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

Can I find deals for business class flights from Washington, D.C. to Niagara Falls?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$118+ Flights from Washington, D.C. to Niagara Falls, NY

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Cheap flight deals from Washington, D.C. to Niagara Falls

Round-trip from	$600 (Mytrip)
One-way from	$118 (Kiwi.com)
Popular in	September
Cheapest in	March
Average price	$348

From Washington, D.C. (WAS) to Niagara Falls

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One-way flight from Washington, D.C. (WAS) to Niagara Falls

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Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Washington, D.C. to Niagara Falls

Cheapest flights from Washington, D.C. to Niagara Falls
Explore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Sat 8/2312:49 pmBWI - IAG

2 stops24h 01mMultiple Airlines

Mon 8/257:00 pmIAG - BWI

1 stop19h 08mMultiple Airlines

Deal found 8/19

$343

Fri 10/174:31 pmBWI - IAG

3 stops23h 57mMultiple Airlines

Sun 10/1910:07 amIAG - BWI

3 stops27h 07mMultiple Airlines

Deal found 8/18

$600

Best flights from Washington, D.C. to Niagara Falls
Discover carefully curated flight deals from Washington, D.C. to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2025.

Fri 10/174:31 pmBWI - IAG

3 stops23h 57mMultiple Airlines

Sun 10/1910:07 amIAG - BWI

3 stops27h 07mMultiple Airlines

Deal found 8/18

$600

Last-minute flights from Washington, D.C. to Niagara Falls
Discover last-minute flight deals from Washington, D.C. to Niagara Falls. Data last updated August 20, 2025 and is based on user searches.

Sat 8/2312:49 pmBWI - IAG

2 stops24h 01mMultiple Airlines

Mon 8/257:00 pmIAG - BWI

1 stop19h 08mMultiple Airlines

Deal found 8/19

$343

One-way flights from Washington, D.C. to Niagara Falls
Search for one-way flight options from Washington, D.C. to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Thu 9/189:38 amBWI - IAG

2 stops28h 44mMultiple Airlines

Deal found 8/18

$118

Thu 11/610:48 amBWI - IAG

3 stops31h 52mMultiple Airlines

Deal found 8/20

$221

Tue 11/46:45 amBWI - IAG

3 stops37h 10mMultiple Airlines

Deal found 8/20

$255

Fri 11/711:08 amBWI - IAG

3 stops31h 38mMultiple Airlines

Deal found 8/20

$302

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Fri 10/17

4:31 pm-4:28 pm

3 stops23h 57m

Niagara Falls

Sun 10/19

10:07 am-1:14 pm

3 stops27h 07m

$600

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Thu 9/18

9:38 am-2:22 pm

2 stops28h 44m

$118

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Thu 11/6

10:48 am-6:40 pm

3 stops31h 52m

$221

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Tue 11/4

6:45 am-7:55 pm

3 stops37h 10m

$255

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Wed 11/5

5:10 am-6:10 pm

3 stops37h 00m

$255

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Fri 11/7

11:08 am-6:46 pm

3 stops31h 38m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Washington, D.C. to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Washington, D.C. with our price prediction graph.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Niagara Falls

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

It’s typically best to fly out from Washington, D.C. to Niagara Falls, New York in the afternoon. Doing so could potentially save you 18% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Niagara Falls

Get a feel of what it's like to fly with United Airlines from Washington, D.C. to Niagara Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,928 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,928 reviews

United Airlines

7.4

Good

8,928 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What airport do you fly into for flights to Niagara Falls from Washington, D.C.?
Niagara Falls (IAG) is the airport you will fly into if you book a flight from Washington, D.C. to Niagara Falls. You should not have trouble finding flights to Niagara Falls from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Niagara Falls airport from Washington, D.C.. It is only a 5.7 mi journey from Niagara Falls (IAG) to Niagara Falls’s city center.
What is the cheapest airline to fly from Washington, D.C. to Niagara Falls, New York round-trip?
Cheapflights users have booked flights from Washington, D.C. to Niagara Falls, New York round-trip from $239. United Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Washington, D.C. to Niagara Falls that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Niagara Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Niagara Falls.
Can I find deals for business class flights from Washington, D.C. to Niagara Falls?
Yes. Cheapflights offers flight deals from Washington, D.C. 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Washington, D.C. to Niagara Falls

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$239	Average$308	FlexibilityNo cancel fee	On-time69%

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$118+ Cheap flights from Washington, D.C. (WAS) to Niagara Falls, NY (IAG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Niagara Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Washington, D.C. to Niagara Falls

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One-way from

Popular in

Cheapest in

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Find flight deals from Washington, D.C. to Niagara Falls

Cheapest flights from Washington, D.C. to Niagara FallsExplore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Explore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington, D.C. to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Niagara Falls

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

Find hourly flight availability from Washington, D.C. to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Reviews of airlines servicing Niagara Falls

Get a feel of what it's like to fly with United Airlines from Washington, D.C. to Niagara Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What is the cheapest airline to fly from Washington, D.C. to Niagara Falls, New York round-trip?

Can I find deals for flights from Washington, D.C. to Niagara Falls that include hotel bookings?

How can I find direct flights from Washington, D.C. to Niagara Falls?

Can I find deals for business class flights from Washington, D.C. to Niagara Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington, D.C. to Niagara Falls

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Cheapest flights from Washington, D.C. to Niagara Falls
Explore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.