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Niagara Falls

$93+ Cheap flights from Reagan-National (DCA) 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Niagara Falls are usually found in March or April, booked 76 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Reagan-National to Niagara Falls

Cheapest flights from Reagan-National to Niagara Falls
Explore the most affordable flight options available from Reagan-National to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:05 am
DCA
-
YYZ
1 stop4h 35m
Air Canada
Wed 2/257:20 am
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Deal found 1/20$184
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:40 am
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Mon 2/238:15 am
YYZ
-
DCA
1 stop4h 04m
Air Canada
Deal found 1/20$185
This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Sun 2/157:10 am
YYZ
-
DCA
1 stop5h 09m
Air Canada
Deal found 1/20$206
This Air Canada deal was found by Cheapflights users on 1/19. 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 3/58:40 pm
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Sun 3/86:10 pm
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Deal found 1/19$211
This Air Canada deal was found by Cheapflights users on 1/19. 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 2/189:40 am
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Sun 2/227:10 am
YYZ
-
DCA
1 stop5h 09m
Air Canada
Deal found 1/19$216
This Air Canada deal was found by Cheapflights users on 1/19. 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 2/186:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Sat 2/2111:00 am
YYZ
-
DCA
1 stop4h 31m
Air Canada
Deal found 1/19$220
This Air Canada deal was found by Cheapflights users on 1/19. 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 3/1912:55 pm
DCA
-
YYZ
1 stop4h 41m
Air Canada
Sun 3/228:15 am
YYZ
-
DCA
1 stop4h 04m
Air Canada
Deal found 1/19$222

Find flight deals from Reagan-National to Niagara Falls

Keep the following information in mind while searching for Reagan-National to Niagara Falls flight deals. Data was last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$184
(Mytrip)

One-way from

$93
(Air Canada)

Popular in

September

Cheapest in

March

Average price

$326
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. Reagan-National to Niagara Falls
Search Deals
One-way flight from Washington, D.C. Reagan-National to Niagara Falls
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 January 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Niagara Falls that are best for you.

Fly from

Reagan-National

Fly to

Niagara Falls

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 3/11

9:40 am-11:17 am

Nonstop1h 37m

Toronto Pearson Intl

Sun 3/22

7:10 am-12:19 pm

1 stop5h 09m

$216

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 3/6

8:40 pm-10:17 pm

Nonstop1h 37m

Toronto Pearson Intl

Fri 3/13

8:15 am-12:19 pm

1 stop4h 04m

$239

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 2/24

8:40 pm-10:15 pm

Nonstop1h 35m

Toronto Pearson Intl

Thu 2/26

8:15 am-12:19 pm

1 stop4h 04m

$270

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 3/9

2:59 pm-4:41 pm

Nonstop1h 42m

Toronto Pearson Intl

Thu 3/12

5:22 pm-7:12 pm

Nonstop1h 50m

$278

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 2/20

8:55 am-1:24 pm

1 stop4h 29m

Toronto Pearson Intl

Sun 2/22

6:00 am-10:26 am

1 stop4h 26m

$283

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/12

11:00 am-4:18 pm

1 stop5h 18m

Toronto Pearson Intl

Tue 2/17

7:50 am-12:54 pm

1 stop5h 04m

$283

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/12

8:55 am-1:24 pm

1 stop4h 29m

Toronto Pearson Intl

Sun 2/15

6:05 am-10:10 am

1 stop4h 05m

$283

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-1:25 pm

1 stop7h 25m

Toronto Pearson Intl

Sun 4/19

6:00 am-10:20 am

1 stop4h 20m

$283

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 2/19

10:08 am-11:51 am

Nonstop1h 43m

Toronto Pearson Intl

Thu 2/26

10:59 am-12:40 pm

Nonstop1h 41m

$288

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 4/1

6:59 am-8:33 am

Nonstop1h 34m

Toronto Pearson Intl

Tue 4/7

4:30 pm-6:03 pm

Nonstop1h 33m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 20 results
1
2

Best time to book a flight from Reagan-National to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Reagan-National 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. Reagan-National Airport to Niagara Falls

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Niagara Falls. Price data was last updated on January 16, 2026.

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Niagara Falls may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Niagara Falls (average of $106). Flying from Washington, D.C. Reagan-National Airport to Niagara Falls in October is currently the most expensive (average of $232). 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 DCA to NI4?

Find hourly flight availability from Reagan-National 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 January 21, 2026.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Niagara Falls at noon. Doing so could potentially save you 35% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Niagara Falls. Price data was last updated on January 17, 2026.

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

Weekly flight availability from Washington, D.C. Reagan-National Airport to Niagara Falls

Explore weekly flight availability from Reagan-National 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 January 21, 2026.

The most flights from DCA to NI4 are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 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 January 21, 2026.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Air Canada from Washington, D.C. Reagan-National Airport to Niagara Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,190 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,190 reviews
United Airlines
7.4
Good
9,190 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,171 reviews
United Airlines
7.4
Good
9,190 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,644 reviews
United Airlines
7.4
Good
9,190 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Niagara Falls?

    A quick flight from Washington, D.C. Reagan-National Airport to Niagara Falls can take about 1h 37m. Air Canada provides one of the quickest options available for as low as $216. The distance between Washington, D.C. Reagan-National Airport and Niagara Falls is about 359 mi. This flight may include one or multiple stops.

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

    $92 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $106 and $108, respectively.

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

    Consider British Airways (61%), Porter Airlines (61%) or American Airlines (55%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Reagan-National Airport to Niagara Falls.

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

    While on average a flight from Washington, D.C. Reagan-National Airport to Niagara Falls is generally $1,035, our data shows the cheapest flight currently is $110. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay $234 for that flight.

  • Can I find deals for flights from Reagan-National to Niagara Falls that include hotel bookings?

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

  • How can I find direct flights from Reagan-National to Niagara Falls?

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

  • Can I find deals for business class flights from Reagan-National to Niagara Falls?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Niagara Falls?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Niagara Falls (average of $106). Flying from Washington, D.C. Reagan-National Airport to Niagara Falls in October is currently the most expensive (average of $232). 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.

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Alternative routes for Reagan-National to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Toronto Island flights
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Baltimore to Pierre Elliott Trudeau Intl flights
Reagan-National to Toronto Island flights
Dulles Intl to Ottawa flights
Reagan-National to Ottawa flights
Baltimore to Ottawa flights
Baltimore to Toronto Island flights
Dulles Intl to London flights
Reagan-National to London flights
Baltimore to London flights
Reagan-National to Thunder Bay flights
Dulles Intl to Sudbury flights
Dulles Intl to Hamilton flights
Dulles Intl to Timmins flights
Dulles Intl to Thunder Bay flights
Baltimore to Thunder Bay flights
Baltimore to Sault Ste Marie flights
Dulles Intl to Sault Ste Marie flights
Baltimore to North Bay flights
Reagan-National to Hamilton flights
Reagan-National to Windsor flights
Baltimore to Windsor flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights
Baltimore to Kingston flights
Reagan-National to Sault Ste Marie flights

Top 3 airlines flying from Reagan-National to Niagara Falls

Discover the top 3 airlines that operate flights from Reagan-National 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$108Average$287FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$148Average$329FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$261Average$375FlexibilityNo cancel feeOn-time71%

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