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Niagara Falls

$97+ Cheap flights from Reagan-National (DCA) to Niagara Falls, 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
Sep 10 — Sep 171
Thu 9/10
Thu 9/17
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 Thursday 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 August 11, 2026.

This Flightnetwork deal was found by Cheapflights users on 8/11. 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.
Tue 9/88:40 pm -
Nonstop1h 31m
Thu 9/248:55 pm -
Nonstop1h 39m
Deal found 8/11$204
This Mytrip deal was found by Cheapflights users on 8/9. 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 9/238:40 pm -
Nonstop1h 31m
Wed 9/308:00 am -
1 stop4h 14m
Deal found 8/9$205
This Flightnetwork deal was found by Cheapflights users on 8/9. 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.
Tue 9/86:55 pm -
Nonstop1h 31m
Tue 9/226:25 pm -
Nonstop1h 34m
Deal found 8/9$206
This Flightnetwork deal was found by Cheapflights users on 8/11. 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.
Tue 8/2511:00 am -
Nonstop1h 27m
Fri 8/284:40 pm -
Nonstop1h 32m
Deal found 8/11$207
This Mytrip deal was found by Cheapflights users on 8/9. 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 9/106:00 am -
1 stop4h 33m
Tue 9/226:25 pm -
Nonstop1h 34m
Deal found 8/9$209
This Mytrip deal was found by Cheapflights users on 8/6. 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 8/246:59 am -
Nonstop1h 36m
Mon 8/317:10 am -
1 stop4h 50m
Deal found 8/6$212
This Air Canada deal was found by Cheapflights users on 8/11. 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 9/86:59 am -
Nonstop1h 36m
Wed 9/98:55 pm -
Nonstop1h 39m
Deal found 8/11$213
This Flightnetwork deal was found by Cheapflights users on 8/6. 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.
Thu 8/276:00 am -
1 stop4h 35m
Sun 8/307:10 am -
1 stop4h 50m
Deal found 8/6$215
This Vliegwinkel deal was found by Cheapflights users on 8/10. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop6h 33m
Thu 10/17:10 am -
1 stop4h 50m
Deal found 8/10$216

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 August 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$204
(Flightnetwork)

One-way from

$97
(Air Canada)

Popular in

September

Cheapest in

February

Average price

$384
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. 12% potential increase in price ($49 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 August 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 August 11, 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 Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 8/25

6:00 am-11:35 am

1 stop5h 35m

Toronto Pearson Intl

Wed 9/2

8:00 am-12:00 pm

1 stop4h 00m

$227

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Fri 8/28

8:15 am-4:14 pm

1 stop7h 59m

Toronto Pearson Intl

Sun 8/30

2:24 pm-10:59 pm

1 stop8h 35m

$270

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Fri 10/9

5:35 pm-10:56 pm

1 stop5h 21m

Toronto Pearson Intl

Tue 10/13

6:00 am-12:39 pm

1 stop6h 39m

$270

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sat 8/29

7:15 am-1:41 pm

1 stop6h 26m

Toronto Pearson Intl

Sun 8/30

2:24 pm-10:59 pm

1 stop8h 35m

$270

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Mon 9/21

7:25 pm-10:59 pm

1 stop3h 34m

Toronto Pearson Intl

Mon 10/12

2:26 pm-11:07 pm

1 stop8h 41m

$270

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Thu 8/27

6:10 am-11:19 am

1 stop5h 09m

Toronto Pearson Intl

Sat 8/29

12:09 pm-5:27 pm

1 stop5h 18m

$281

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sat 9/5

7:30 am-4:14 pm

1 stop8h 44m

Toronto Pearson Intl

Tue 9/8

10:00 am-6:31 pm

1 stop8h 31m

$295

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Thu 8/27

6:10 am-1:34 pm

1 stop7h 24m

Toronto Pearson Intl

Sun 8/30

2:24 pm-10:59 pm

1 stop8h 35m

$313

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Fri 9/4

9:39 am-5:24 pm

1 stop7h 45m

Toronto Pearson Intl

Tue 9/8

10:00 am-6:31 pm

1 stop8h 31m

$329

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sat 8/22

2:59 pm-10:23 pm

1 stop7h 24m

Toronto Pearson Intl

Tue 8/25

2:45 pm-10:52 pm

1 stop8h 07m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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 August 11, 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 23% on the flight price compared to flying at noon, 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 August 11, 2026.

The most flights from DCA to NI4 are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

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

Airfare is below average for this route at the moment.
Washington, D.C. Reagan-National Airport to Niagara Falls flights typically cost between $298 and $480 in September.
The cheapest round-trip price found within the last 5 days was $204 on Air Canada (Sep 8-Sep 24).

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 August 8, 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 August 11, 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
454 reviews

Entertainment

6.9

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
454 reviews
Porter Airlines
8.0
Very good
454 reviews

Entertainment

6.9

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,104 reviews
Porter Airlines
8.0
Very good
454 reviews

Entertainment

6.9

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
American Airlines
7.1
Good
11,904 reviews
Porter Airlines
8.0
Very good
454 reviews

Entertainment

6.9

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,462 reviews
Porter Airlines
8.0
Very good
454 reviews

Entertainment

6.9

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 35m. Air Canada provides one of the quickest options available for as low as $227. 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?

    $89 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 $107 and $139, respectively.

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

    Consider American Airlines (61%), Porter Airlines (61%) or PSA Airlines (61%) 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 $1,542, our data shows the cheapest flight currently is $96. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay $213 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 August 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$139Average$418FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$169Average$370FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$176Average$498FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$268Average$372FlexibilityNo cancel feeOn-time71%

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