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Niagara Falls

$95+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
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 May 4, 2026.

This Gotogate deal was found by Cheapflights users on 5/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:55 pm
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Mon 6/87:00 am
YYZ
-
DCA
1 stop5h 01m
Air Canada
Deal found 5/3$198
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:00 am
DCA
-
YYZ
1 stop4h 38m
Air Canada
Wed 6/104:40 pm
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 4/29$204
This Mytrip deal was found by Cheapflights users on 4/30. 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 5/146:59 am
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Mon 5/187:00 am
YYZ
-
DCA
1 stop5h 01m
Air Canada
Deal found 4/30$209
This Mytrip deal was found by Cheapflights users on 5/2. 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.
Mon 6/156:00 am
DCA
-
YYZ
1 stop4h 38m
Air Canada
Thu 6/187:20 am
YYZ
-
DCA
Nonstop1h 32m
Air Canada
Deal found 5/2$214
This Trip.com deal was found by Cheapflights users on 5/2. 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.
Mon 6/18:40 pm
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Tue 6/97:20 am
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 5/2$218

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(Gotogate)

One-way from

$95
(Kissandfly.com)

Popular in

September

Cheapest in

February

Average price

$338
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. 11% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 4, 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

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 6/5

5:28 pm-10:59 pm

1 stop5h 31m

Toronto Pearson Intl

Mon 6/8

6:29 pm-11:21 pm

1 stop4h 52m

$261

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 5/20

6:09 am-11:15 am

1 stop5h 06m

Toronto Pearson Intl

Fri 5/22

6:37 pm-11:24 pm

1 stop4h 47m

$261

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 6/8

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Tue 6/9

2:32 pm-8:58 pm

1 stop6h 26m

$271
Quickest round-trip

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 6/1

7:40 pm-11:41 pm

1 stop4h 01m

Toronto Pearson Intl

Sat 6/6

6:00 am-10:55 am

1 stop4h 55m

$304

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 5/26

1:30 pm-5:55 pm

1 stop4h 25m

Toronto Pearson Intl

Tue 6/2

7:55 am-12:48 pm

1 stop4h 53m

$304

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 6/12

7:40 pm-11:40 pm

1 stop4h 00m

Toronto Pearson Intl

Mon 6/15

2:32 pm-10:55 pm

1 stop8h 23m

$304

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 5/26

1:30 pm-5:55 pm

1 stop4h 25m

Toronto Pearson Intl

Thu 6/4

5:05 pm-10:54 pm

1 stop5h 49m

$304

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 5/15

6:05 am-1:30 pm

1 stop7h 25m

Toronto Pearson Intl

Thu 5/21

7:55 am-12:48 pm

1 stop4h 53m

$325

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 5/15

6:05 am-1:30 pm

1 stop7h 25m

Toronto Pearson Intl

Tue 5/19

2:30 pm-8:59 pm

1 stop6h 29m

$331

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 6/19

7:40 pm-11:40 pm

1 stop4h 00m

Toronto Pearson Intl

Tue 6/23

2:29 pm-10:59 pm

1 stop8h 30m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 resultsSorted by cheapest first
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

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 May 4, 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 28% 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 April 25, 2026.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Niagara Falls flight should consider departing on Tuesday 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.

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 May 4, 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).

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

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 May 4, 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
436 reviews

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
436 reviews
Porter Airlines
8.0
Very good
436 reviews

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,681 reviews
Porter Airlines
8.0
Very good
436 reviews

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,670 reviews
Porter Airlines
8.0
Very good
436 reviews

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,996 reviews
Porter Airlines
8.0
Very good
436 reviews

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 5h 31m. Delta provides one of the quickest options available for as low as $261. 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 $112, respectively.

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

    Consider British Airways (74%), American Airlines (73%) or Porter 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 $1,398, our data shows the cheapest flight currently is $107. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay $246 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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$135Average$316FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$187Average$353FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$187Average$542FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$264Average$375FlexibilityNo cancel feeOn-time71%

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