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Niagara Falls

$123+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
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 February or April, booked 79 days in advance, depart on a Friday or Saturday and return on a Wednesday

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 June 23, 2026.

This Mytrip deal was found by Cheapflights users on 6/20. 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 7/216:00 am
DCA
-
YYZ
1 stop4h 35m
Air Canada
Sat 7/258:10 am
YYZ
-
DCA
1 stop3h 50m
Air Canada
Deal found 6/20$279
This Trip.com deal was found by Cheapflights users on 6/21. 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.
Wed 8/58:40 pm
DCA
-
YYZ
Nonstop1h 31m
Air Canada
Wed 8/128:55 pm
YYZ
-
DCA
Nonstop1h 36m
Air Canada
Deal found 6/21$284
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Fri 8/78:40 pm
DCA
-
YYZ
Nonstop1h 31m
Air Canada
Fri 8/148:55 pm
YYZ
-
DCA
Nonstop1h 36m
Air Canada
Deal found 6/23$286
This Mytrip deal was found by Cheapflights users on 6/21. 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.
Wed 8/196:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Sat 8/228:10 am
YYZ
-
DCA
1 stop3h 50m
Air Canada
Deal found 6/21$293
This Mytrip deal was found by Cheapflights users on 6/22. 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.
Wed 8/512:40 pm
DCA
-
YYZ
1 stop4h 28m
Air Canada
Thu 8/65:30 pm
YYZ
-
DCA
1 stop4h 18m
Air Canada
Deal found 6/22$295
This Air Canada deal was found by Cheapflights users on 6/21. 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.
Sat 8/16:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Wed 8/54:40 pm
YYZ
-
DCA
Nonstop1h 32m
Air Canada
Deal found 6/21$298
This Air Canada deal was found by Cheapflights users on 6/19. 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 7/238:40 pm
DCA
-
YYZ
Nonstop1h 31m
Air Canada
Tue 7/286:25 pm
YYZ
-
DCA
Nonstop1h 32m
Air Canada
Deal found 6/19$299
This flugladen.de deal was found by Cheapflights users on 6/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Tue 9/228:10 am
YYZ
-
DCA
1 stop3h 50m
Air Canada
Deal found 6/21$302
This Air Canada deal was found by Cheapflights users on 6/21. 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 7/711:00 am
DCA
-
YYZ
Nonstop1h 27m
Air Canada
Thu 7/168:55 pm
YYZ
-
DCA
Nonstop1h 36m
Air Canada
Deal found 6/21$303

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 June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(Mytrip)

One-way from

$123
(Air Canada)

Popular in

September

Cheapest in

February

Average price

$373
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. 9% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 23, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 7/15

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Fri 7/17

6:00 am-10:15 am

1 stop4h 15m

$388

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 7/10

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Tue 7/14

2:24 pm-10:59 pm

1 stop8h 35m

$404

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 7/9

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Thu 7/16

7:55 am-4:19 pm

1 stop8h 24m

$404

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 7/10

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Wed 7/15

6:29 pm-10:59 pm

1 stop4h 30m

$404

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 7/10

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Thu 7/16

9:45 am-4:34 pm

1 stop6h 49m

$404

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 7/16

6:20 am-1:41 pm

1 stop7h 21m

Toronto Pearson Intl

Fri 7/17

2:24 pm-10:59 pm

1 stop8h 35m

$404

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 7/17

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Tue 7/21

2:24 pm-10:59 pm

1 stop8h 35m

$410

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 7/8

6:20 am-1:41 pm

1 stop7h 21m

Toronto Pearson Intl

Tue 7/14

7:55 am-4:19 pm

1 stop8h 24m

$414

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 7/8

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Wed 7/15

2:24 pm-10:59 pm

1 stop8h 35m

$414

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 7/12

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Fri 7/17

6:00 am-10:15 am

1 stop4h 15m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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 June 23, 2026.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Niagara Falls in the evening. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 June 23, 2026.

The most flights from DCA to NI4 are scheduled on a Monday (14 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Niagara Falls?

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 June 20, 2026.

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

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 June 23, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAmerican Airlines 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.
Porter Airlines
8.0
Very good
439 reviews

Entertainment

6.9

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews

Entertainment

6.9

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,875 reviews
Porter Airlines
8.0
Very good
439 reviews

Entertainment

6.9

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
American Airlines
7.1
Good
11,745 reviews
Porter Airlines
8.0
Very good
439 reviews

Entertainment

6.9

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,244 reviews
Porter Airlines
8.0
Very good
439 reviews

Entertainment

6.9

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 7h 34m. Delta provides one of the quickest options available for as low as $388. The distance between Washington, D.C. Reagan-National Airport and Niagara Falls is about 359 mi.

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

    $88 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 $132, respectively.

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

    Consider American Airlines (73%), Porter Airlines (73%) or PSA Airlines (73%) 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 $938, our data shows the cheapest flight currently is $127. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay $318 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.

See more FAQs

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Top 4 airlines flying from Reagan-National to Niagara Falls

Discover the top 4 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$139Average$405FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$187Average$542FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$197Average$371FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$271Average$372FlexibilityNo cancel feeOn-time71%

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