Niagara Falls

$79+ Cheap flights from Washington, D.C. (WAS) 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYZ
Jun 2 — Jun 91
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Cheapflights Tip: The best prices from Washington, D.C. to Niagara Falls are usually found in February or March, booked 88 days in advance, depart on a Friday or Thursday and return on a Thursday

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

Keep the following information in mind while searching for Washington, D.C. to Niagara Falls flight deals. Data was last updated May 28, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$187
(Justfly.com)

One-way from

$79
(Air Canada)

Popular in

November

Cheapest in

February

Average price

$338
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
From Washington, D.C. (WAS) to Niagara Falls
One-way flight from Washington, D.C. (WAS) to Niagara Falls
Highest demand for flights based on searches. 7% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in May 2025

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

Cheapest flights from Washington, D.C. to Niagara Falls
Explore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2025.

This Justfly.com deal was found by Cheapflights users on 5/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:00 amDCA - YYZ
1 stop5h 39mAir Canada
Wed 6/258:10 amYYZ - DCA
1 stop3h 53mAir Canada
Deal found 5/27$187
This United Airlines deal was found by Cheapflights users on 5/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2110:15 pmIAD - YYZ
1 stop9h 20mUnited Airlines
Sun 6/2210:05 amYYZ - IAD
Nonstop1h 34mUnited Airlines
Deal found 5/28$194
This Flightnetwork deal was found by Cheapflights users on 5/27. 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.
Wed 7/92:25 pmIAD - YYZ
Nonstop1h 36mAir Canada
Wed 7/1612:15 pmYYZ - IAD
Nonstop1h 27mAir Canada
Deal found 5/27$202
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/256:00 amDCA - YYZ
1 stop3h 49mAmerican Airlines
Wed 7/25:19 pmYYZ - DCA
Nonstop1h 40mAmerican Airlines
Deal found 5/27$221
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:00 amIAD - YYZ
1 stop3h 21mDelta
Tue 6/246:30 amYYZ - IAD
1 stop5h 03mDelta
Deal found 5/27$233
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:39 amDCA - YYZ
1 stop7h 36mDelta
Wed 6/256:14 pmYYZ - DCA
1 stop5h 19mDelta
Deal found 5/27$234
This Mytrip deal was found by Cheapflights users on 5/28. 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 7/1611:14 amBWI - YYZ
1 stop26h 51mMultiple Airlines
Sun 7/206:30 amYYZ - BWI
1 stop27h 49mMultiple Airlines
Deal found 5/28$238
This United deal was found by Cheapflights users on 5/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/116:00 amDCA - YYZ
1 stop4h 46mMultiple Airlines
Tue 6/178:55 pmYYZ - DCA
Nonstop1h 33mMultiple Airlines
Deal found 5/27$241
This United deal was found by Cheapflights users on 5/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:22 amIAD - YYZ
Nonstop1h 42mMultiple Airlines
Sat 7/58:10 amYYZ - IAD
Nonstop1h 27mMultiple Airlines
Deal found 5/27$244
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/812:55 pmDCA - YYZ
1 stop4h 09mUnited Airlines
Fri 7/117:20 amYYZ - DCA
Nonstop1h 32mUnited Airlines
Deal found 5/27$257
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/128:00 amBWI - YYZ
1 stop9h 06mDelta
Sun 6/156:15 amYYZ - BWI
1 stop9h 18mDelta
Deal found 5/28$300
This Justfly.com deal was found by Cheapflights users on 5/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amIAD - YYZ
1 stop11h 06mWestJet
Tue 6/1711:39 amYYZ - IAD
1 stop8h 12mWestJet
Deal found 5/27$340

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Niagara Falls that are best for you.

Fly from

Washington, D.C.

Fly to

Niagara Falls

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 6/17

6:00 am-11:39 am

1 stop5h 39m

Toronto Pearson Intl

Wed 6/25

8:10 am-12:03 pm

1 stop3h 53m

$187

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 6/21

10:15 pm-7:35 am

1 stop9h 20m

Toronto Pearson Intl

Sun 6/22

10:05 am-11:39 am

Nonstop1h 34m

$194

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 7/9

2:25 pm-4:01 pm

Nonstop1h 36m

Toronto Pearson Intl

Wed 7/16

12:15 pm-1:42 pm

Nonstop1h 27m

$202

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 6/25

6:00 am-9:49 am

1 stop3h 49m

Toronto Pearson Intl

Wed 7/2

5:19 pm-6:59 pm

Nonstop1h 40m

$221

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 6/17

6:00 am-9:21 am

1 stop3h 21m

Toronto Pearson Intl

Tue 6/24

6:30 am-11:33 am

1 stop5h 03m

$233

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 6/18

9:39 am-5:15 pm

1 stop7h 36m

Toronto Pearson Intl

Wed 6/25

6:14 pm-11:33 pm

1 stop5h 19m

$234

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 7/16

11:14 am-2:05 pm

1 stop26h 51m

Toronto Pearson Intl

Sun 7/20

6:30 am-10:19 am

1 stop27h 49m

$238

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 6/11

6:00 am-10:46 am

1 stop4h 46m

Toronto Pearson Intl

Tue 6/17

8:55 pm-10:28 pm

Nonstop1h 33m

$241

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 7/3

8:22 am-10:04 am

Nonstop1h 42m

Toronto Pearson Intl

Sat 7/5

8:10 am-9:37 am

Nonstop1h 27m

$244

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 7/8

12:55 pm-5:04 pm

1 stop4h 09m

Toronto Pearson Intl

Fri 7/11

7:20 am-8:52 am

Nonstop1h 32m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 36 results
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Best time to book a flight from Washington, D.C. to Niagara Falls

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Niagara Falls. Price data was last updated on May 23, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Niagara Falls, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $243). Flying from Washington, D.C. to Niagara Falls in July is currently the most expensive (average of $356). 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 WAS to NI4?

Find hourly flight availability from Washington, D.C. 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 28, 2025.

When flying from Washington, D.C. to Niagara Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Niagara Falls. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Niagara Falls flight should consider departing on Friday 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. to Niagara Falls

Explore weekly flight availability from Washington, D.C. 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 28, 2025.

The most flights from WAS to NI4 are scheduled on a Wednesday (31 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Niagara Falls ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Niagara Falls when rainfall is around 2.0 in.

Temperature in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Niagara Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 28, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and Aeromexico from Washington, D.C. to Niagara Falls by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
8.0
Very good

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Overall

8.0

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Washington, D.C. to Niagara Falls one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $79. United Airlines flights start at $89 while deals on Delta start at $89 one-way.

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

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

    The cheapest flight price from Washington, D.C. to Niagara Falls is $872. On average you can expect to pay $1,406. The most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), can usually be booked for $218.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $243). Flying from Washington, D.C. to Niagara Falls in July is currently the most expensive (average of $356). 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

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

Discover the top 7 airlines that operate flights from Washington, D.C. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$103Average$303FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$114Average$338FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$127Average$326FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$144Average$346FlexibilityNo cancel feeOn-time71%
Air TransatCheapest$169Average$310FlexibilityNo cancel feeOn-time50%
DeltaCheapest$242Average$336FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$278Average$455FlexibilityNo cancel feeOn-time60%

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