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Cheap flights from Niagara Falls, ON to Washington, D.C. from C$ 181

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — WAS
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Washington, D.C. are usually found in September or October, booked 75 days in advance, depart on a Friday or Wednesday and return on a Thursday

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

Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to Washington, D.C.
Explore the most affordable flight options available from Niagara Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Sat 11/49:10 p.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Sun 12/46:59 a.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Deal found 20/3C$ 280
Thu 9/48:15 a.m.
YYZ
-
DCA
1 stop3h 46m
Air Canada
Sun 12/46:59 a.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Deal found 19/3C$ 291
Tue 7/47:15 a.m.
YYZ
-
DCA
1 stop9h 08m
American Airlines
Wed 8/410:11 a.m.
DCA
-
YYZ
Nonstop1h 43m
American Airlines
Deal found 23/3C$ 306
Tue 5/51:55 p.m.
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Tue 12/59:55 a.m.
IAD
-
YYZ
Nonstop1h 27m
Air Canada
Deal found 21/3C$ 306
Mon 4/58:10 a.m.
YYZ
-
DCA
1 stop3h 51m
Air Canada
Mon 11/511:00 a.m.
DCA
-
YYZ
Nonstop1h 26m
Air Canada
Deal found 20/3C$ 307
Mon 4/56:55 p.m.
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Mon 11/59:55 a.m.
IAD
-
YYZ
Nonstop1h 27m
Air Canada
Deal found 20/3C$ 309
Sun 3/57:20 a.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Sun 10/56:59 a.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Deal found 19/3C$ 310
Thu 16/47:20 a.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Sun 19/46:00 a.m.
DCA
-
YYZ
1 stop4h 39m
Air Canada
Deal found 22/3C$ 313
Fri 15/54:30 p.m.
YYZ
-
DCA
1 stop5h 25m
Air Canada
Sun 17/56:00 a.m.
DCA
-
YYZ
1 stop6h 38m
Air Canada
Deal found 20/3C$ 316
Fri 15/58:00 a.m.
YYZ
-
IAD
1 stop7h 03m
Air Canada
Sun 17/53:45 p.m.
IAD
-
YYZ
1 stop7h 13m
Air Canada
Deal found 20/3C$ 316
Thu 30/47:20 a.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Sun 3/56:59 a.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Deal found 23/3C$ 318
Tue 14/47:43 p.m.
YYZ
-
IAD
Nonstop1h 42m
United Airlines
Mon 11/510:14 p.m.
IAD
-
YYZ
Nonstop1h 40m
United Airlines
Deal found 23/3C$ 318

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

Keep the following information in mind while searching for Niagara Falls to Washington, D.C. flight deals. Data was last updated 24 March 2026.

Round-trip from

C$ 280

One-way from

C$ 181

Popular in

December

Cheapest in

September

Average price

C$ 383
Air Canada
  • Air Canada
  • 11/4-12/4
  • Nonstop
  • 3h 05m total
  • Niagara Falls to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 12/5
  • Nonstop
  • 1h 33m total
  • Niagara Falls to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Washington, D.C. 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 629,999 searches. Data last updated 24 March 2026.
Use the filters below to find and compare flights from Niagara Falls to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 11/6

7:30 a.m.-11:28 a.m.

1 stop3h 58m

Washington, D.C. Dulles Intl

Tue 16/6

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 339
Quickest round-trip

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 20/6

9:44 a.m.-11:20 a.m.

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sun 5/7

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 343

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 16/4

7:00 a.m.-1:10 p.m.

1 stop6h 10m

Washington, D.C. Reagan-National

Thu 23/4

7:00 a.m.-1:47 p.m.

1 stop6h 47m

C$ 353

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sun 19/4

12:45 p.m.-2:24 p.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Sun 26/4

6:15 a.m.-11:49 a.m.

1 stop5h 34m

C$ 354

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sun 19/4

12:45 p.m.-2:24 p.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Sun 19/4

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 354

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 21/4

12:45 p.m.-2:24 p.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Wed 22/4

8:20 a.m.-10:04 a.m.

Nonstop1h 44m

C$ 355

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 10/4

12:45 p.m.-2:24 p.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Wed 15/4

10:10 a.m.-3:46 p.m.

1 stop5h 36m

C$ 355

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 22/5

12:45 p.m.-2:21 p.m.

Nonstop1h 36m

Washington, D.C. Dulles Intl

Fri 29/5

10:15 p.m.-9:54 a.m.

1 stop11h 39m

C$ 355

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 1/5

12:45 p.m.-2:24 p.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Mon 4/5

6:00 a.m.-11:43 a.m.

1 stop5h 43m

C$ 355

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 11/4

9:35 a.m.-11:14 a.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Wed 15/4

6:00 a.m.-11:43 a.m.

1 stop5h 43m

C$ 355

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/3

Showing 1-10 of 58 resultsSorted by cheapest first
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Best time to book a flight from Niagara Falls to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Niagara Falls 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 Niagara Falls to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Washington, D.C.. Price data was last updated on 13 March 2026.

The price you pay for your flight from Niagara Falls to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 75 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 Niagara Falls to Washington, D.C.?

Currently, January is the cheapest month in which you can book a flight from Niagara Falls to Washington, D.C. (average of C$ 107). Flying from Niagara Falls to Washington, D.C. in March is currently the most expensive (average of C$ 242). 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 NI4 to WAS?

Find hourly flight availability from Niagara Falls to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 March 2026.

One of the essential ways to save on airfare from Niagara Falls to Washington, D.C. is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 38% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to Washington, D.C.. Price data was last updated on 14 March 2026.

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

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

Explore weekly flight availability from Niagara Falls to Washington, D.C.. 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 24 March 2026.

The most flights from NI4 to WAS are scheduled on a Monday (27 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

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

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 24 March 2026.
Read through reviews of airlines operating flights from Niagara Falls to Washington, D.C., such as Porter Airlines,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
427 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
9,465 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
11,486 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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
10,835 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Food

7.6

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 Niagara Falls to Washington, D.C.. 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 Niagara Falls to Washington, D.C.?

    For as low as C$ 339, United Airlines can have you in Washington, D.C. from Niagara Falls in 3h 58m. There are 557 km between Niagara Falls and Washington, D.C.. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as C$ 177 on Air Canada. Other airlines that offer cheap prices include United Airlines from C$ 198 and American Airlines from C$ 204 one-way.

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

    When deciding which route to take from Niagara Falls to Washington, D.C. consider Toronto Pearson Intl - Washington, D.C. Reagan-National, Toronto Pearson Intl - Washington, D.C. Dulles Intl or Toronto Pearson Intl - Baltimore/Washington as they are the most popular.

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

    The top 3 most reliable airlines when flying from Niagara Falls to Washington, D.C. are Avianca (70%), Copa Airlines (70%) and Republic Airways (70%).

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

    On average you can expect to pay C$ 1,362 for a flight from Niagara Falls to Washington, D.C.. The cheapest flight overall is C$ 198 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Reagan-National) is currently priced at C$ 342.

  • Can I find deals for flights from Niagara Falls to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Niagara Falls to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Niagara Falls to Washington, D.C.?

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

  • Can I find deals for business class flights from Niagara Falls to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Niagara Falls to Washington, D.C. 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 Niagara Falls to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from Niagara Falls to Washington, D.C. (average of C$ 107). Flying from Niagara Falls to Washington, D.C. in March is currently the most expensive (average of C$ 242). 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

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Discover the top 7 airlines that operate flights from Niagara Falls to Washington, D.C.. 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 629,999 searches. Data last updated 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 183AverageC$ 301FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 194AverageC$ 385FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 198AverageC$ 348FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 208AverageC$ 514FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 248AverageC$ 533FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 316AverageC$ 439FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 392AverageC$ 643FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Niagara Falls to Washington, D.C.?

Cheapflights helps you search for flights from Niagara Falls to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Washington, D.C.?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Niagara Falls to Washington, D.C. for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Niagara Falls to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Niagara Falls to Washington, D.C. flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Niagara Falls to Washington, D.C. become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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