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$249+ Cheap flights from Washington, D.C. (WAS) to Niagara Falls (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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — IAG
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Cheap 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 March 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:10 pm
BWI
-
IAG
1 stop18h 21m
Multiple Airlines
Sun 5/311:14 am
IAG
-
BWI
2 stops20h 48m
Multiple Airlines
Deal found 3/29$327
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/121:10 pm
BWI
-
IAG
2 stops24h 06m
Multiple Airlines
Thu 7/168:26 pm
IAG
-
BWI
1 stop13h 13m
Multiple Airlines
Deal found 3/28$438
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:22 pm
BWI
-
IAG
1 stop25h 51m
Multiple Airlines
Sat 4/46:12 pm
IAG
-
BWI
1 stop14h 58m
Multiple Airlines
Deal found 3/28$622

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Niagara Falls (IAG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Kiwi.com)

One-way from

$249
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Niagara Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Niagara Falls flights.
Search Deals
From Washington, D.C. (WAS) to Niagara Falls
Search Deals
One-way flight from Washington, D.C. (WAS) to Niagara Falls
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Niagara Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
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

Cheapest round-trip

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Sun 4/26

9:10 pm-3:31 pm

1 stop18h 21m

Niagara Falls

Sun 5/3

11:14 am-3:25 pm

1 stop28h 11m

$357
Quickest round-trip

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Sun 7/12

1:10 pm-1:16 pm

2 stops24h 06m

Niagara Falls

Thu 7/16

8:26 pm-9:39 am

1 stop13h 13m

$438
Cheapest one-way
Quickest one-way

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Mon 4/6

8:58 am-8:13 pm

1 stop11h 15m

$249

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Sat 5/30

9:48 pm-5:05 pm

3 stops43h 17m

$330

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Sun 4/5

4:05 pm-8:13 pm

3 stops28h 08m

$366

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Sun 4/12

8:39 pm-3:31 pm

1 stop18h 52m

$409

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Sun 5/31

7:30 am-5:05 pm

3 stops33h 35m

$502

BaltimoreNiagara Falls

BWI - IAG

BWIIAG

Baltimore/Washington

Tue 5/19

11:20 pm-7:06 pm

3 stops43h 46m

$1,194

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Sorted by cheapest first

Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Niagara Falls in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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.-Niagara Falls 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.-Niagara Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Niagara Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Niagara Falls 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.-Niagara Falls 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 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 month to book a flight from Washington, D.C. to Niagara Falls?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $102). Flying from Washington, D.C. to Niagara Falls in December is currently the most expensive (average of $197). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.?

    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 0 airlines have 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Niagara Falls?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $102). Flying from Washington, D.C. to Niagara Falls in December is currently the most expensive (average of $197). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Niagara Falls?

Book flights to Niagara Falls if you plan to visit one of these locations
Lewiston

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