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Niagara Falls

$62+ Cheap flights from Washington, D.C. (WAS) to Niagara Falls, ON, Canada

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYZ
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Niagara Falls are usually found in June or February, booked 88 days in advance, depart on a Friday or Thursday and return on a Friday

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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:59 pmDCA - YYZ
Nonstop1h 40mAmerican Airlines
Tue 1/135:15 pmYYZ - DCA
Nonstop1h 59mAmerican Airlines
Deal found 12/15$273
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:10 pmIAD - YYZ
1 stop4h 35mAir Canada
Mon 1/56:55 pmYYZ - IAD
Nonstop1h 34mAir Canada
Deal found 12/15$311
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:40 amDCA - YYZ
Nonstop1h 37mAir Canada
Wed 1/149:00 pmYYZ - DCA
Nonstop1h 35mAir Canada
Deal found 12/15$316
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:16 pmIAD - YYZ
Nonstop1h 41mUnited Airlines
Mon 1/56:40 pmYYZ - IAD
1 stop4h 26mUnited Airlines
Deal found 12/17$323
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:10 pmIAD - YYZ
1 stop4h 35mAir Canada
Thu 1/82:15 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/15$349
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Wed 1/146:55 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/15$352
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:10 pmDCA - YYZ
1 stop7h 54mAir Canada
Tue 1/138:15 amYYZ - DCA
1 stop4h 04mAir Canada
Deal found 12/15$360
This Air Canada deal was found by Cheapflights users on 12/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:10 pmIAD - YYZ
1 stop4h 35mAir Canada
Tue 1/132:45 pmYYZ - IAD
Nonstop1h 45mAir Canada
Deal found 12/14$366
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:31 pmIAD - YYZ
1 stop5h 38mAir Canada
Mon 1/57:40 pmYYZ - IAD
Nonstop1h 45mAir Canada
Deal found 12/15$371
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:40 amDCA - YYZ
Nonstop1h 37mAir Canada
Mon 1/57:20 amYYZ - DCA
Nonstop1h 35mAir Canada
Deal found 12/15$395
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amDCA - YYZ
1 stop5h 40mAir Canada
Tue 1/137:10 amYYZ - DCA
1 stop5h 09mAir Canada
Deal found 12/15$400
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:05 amDCA - YYZ
1 stop5h 35mAir Canada
Mon 1/57:10 amYYZ - DCA
1 stop5h 09mAir Canada
Deal found 12/15$410

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

Keep the following information in mind while searching for Washington, D.C. to Niagara Falls flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$211
(Booking.com)

One-way from

$62
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$323
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
Search Deals
From Washington, D.C. (WAS) to Niagara Falls
Search Deals
One-way flight from Washington, D.C. (WAS) to Niagara Falls
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Niagara Falls that are best for you.

Fly from

Washington, D.C.

Fly to

Niagara Falls

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 1/9

8:40 pm-10:17 pm

Nonstop1h 37m

Toronto Pearson Intl

Sun 1/11

8:15 am-12:19 pm

1 stop4h 04m

$250

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 1/30

11:00 am-4:12 pm

1 stop5h 12m

Toronto Pearson Intl

Fri 2/6

6:13 pm-10:48 pm

1 stop4h 35m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 1/8

6:00 am-11:20 am

1 stop5h 20m

Toronto Pearson Intl

Mon 1/12

6:00 am-11:43 am

1 stop5h 43m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 1/9

6:00 am-11:20 am

1 stop5h 20m

Toronto Pearson Intl

Mon 1/12

6:00 am-11:43 am

1 stop5h 43m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 1/29

12:23 pm-5:23 pm

1 stop5h 00m

Toronto Pearson Intl

Sun 2/1

6:00 am-11:52 am

1 stop5h 52m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 1/14

12:23 pm-5:23 pm

1 stop5h 00m

Toronto Pearson Intl

Wed 1/21

7:45 am-11:52 am

1 stop4h 07m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 2/18

6:00 am-11:18 am

1 stop5h 18m

Toronto Pearson Intl

Mon 2/23

6:00 am-11:41 am

1 stop5h 41m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 1/17

6:00 am-11:20 am

1 stop5h 20m

Toronto Pearson Intl

Thu 1/22

10:05 am-4:46 pm

1 stop6h 41m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 1/9

6:00 am-11:20 am

1 stop5h 20m

Toronto Pearson Intl

Sun 1/11

7:45 am-11:49 am

1 stop4h 04m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 1/23

12:23 pm-5:23 pm

1 stop5h 00m

Toronto Pearson Intl

Sun 1/25

6:00 am-11:43 am

1 stop5h 43m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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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

How far ahead should I book a flight from Washington, D.C. to Niagara Falls?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Niagara Falls. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Niagara Falls, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $94). Flying from Washington, D.C. to Niagara Falls in August is currently the most expensive (average of $171). 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.

What is the cheapest time of day to fly from WAS to NI4?

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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Niagara Falls at noon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Niagara Falls. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Washington, D.C. to Niagara Falls

Explore weekly flight availability from Washington, D.C. to Niagara Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from WAS to NI4 are scheduled on a Monday (29 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Niagara Falls. Reviews last updated December 18, 2025.
See what other customers who have flown with Porter Airlines, Delta, and United Airlines from Washington, D.C. to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Delta
7.9
Good
8,009 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,093 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,054 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,534 reviews
Porter Airlines
8.0
Very good
399 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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.

  • How long is the flight from Washington, D.C. to Niagara Falls?

    Departing from Washington, D.C. to Niagara Falls will take you 1h 37m. Airlines will cover a distance of 359 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Niagara Falls one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $91. American Airlines flights start at $102 while deals on United Airlines start at $106 one-way.

  • What are the most popular routes from Washington, D.C. to Niagara Falls?

    While some choose either Washington, D.C. Reagan-National - Toronto Pearson Intl or Baltimore/Washington - Toronto Pearson Intl, Washington, D.C. Dulles Intl - Toronto Pearson Intl is the most popular route from Washington, D.C. to Niagara Falls.

  • What are the most reliable airlines from Washington, D.C. to Niagara Falls?

    The top 3 most reliable airlines when flying from Washington, D.C. to Niagara Falls are ANA (74%), Jazz (73%) and United Airlines (71%).

  • What are the cheapest flights from Washington, D.C. to Niagara Falls?

    The cheapest flight price from Washington, D.C. to Niagara Falls is $101. On average you can expect to pay $579. The most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), can usually be booked for $238.

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $94). Flying from Washington, D.C. to Niagara Falls in August is currently the most expensive (average of $171). 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

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

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
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Reagan-National to Ottawa flights
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Reagan-National to Sault Ste Marie flights
Dulles Intl to Timmins flights
Reagan-National to Hamilton flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights

Top 7 airlines flying from Washington, D.C. to Niagara Falls

Discover the top 7 airlines that operate flights from Washington, D.C. to Niagara Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$292FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$127Average$328FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$176Average$245FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$185Average$331FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$336FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$261Average$375FlexibilityNo cancel feeOn-time71%
WestJetCheapest$349Average$496FlexibilityNo cancel feeOn-time60%

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