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$84+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYZ
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Niagara Falls are usually found in February or September, booked 83 days in advance, depart on a Friday or Thursday and return on a Friday

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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$172
(Justfly.com)

One-way from

$84
(Air Canada)

Popular in

November

Cheapest in

February

Average price

$299
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
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From Washington, D.C. (WAS) to Niagara Falls
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One-way flight from Washington, D.C. (WAS) to Niagara Falls
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Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 3, 2025.

This Justfly.com deal was found by Cheapflights users on 4/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:59 amDCA - YYZ
Nonstop1h 33mAir Canada
Mon 5/56:10 pmYYZ - DCA
Nonstop1h 33mAir Canada
Deal found 4/2$172
This Justfly.com deal was found by Cheapflights users on 4/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/242:40 pmIAD - YYZ
Nonstop1h 34mAir Canada
Sun 4/278:15 amYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 4/2$173
This United deal was found by Cheapflights users on 4/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:00 amDCA - YYZ
1 stop5h 46mMultiple Airlines
Tue 5/64:00 pmYYZ - DCA
1 stop5h 53mMultiple Airlines
Deal found 4/2$218
This United deal was found by Cheapflights users on 4/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/68:21 amIAD - YYZ
1 stop4h 59mMultiple Airlines
Tue 5/64:00 pmYYZ - IAD
1 stop5h 13mMultiple Airlines
Deal found 4/2$218
This Delta deal was found by Cheapflights users on 4/1. 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 4/298:45 amDCA - YYZ
1 stop4h 19mDelta
Tue 5/65:00 pmYYZ - DCA
1 stop3h 56mDelta
Deal found 4/1$232
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:00 amIAD - YYZ
1 stop5h 25mDelta
Sun 4/273:59 pmYYZ - IAD
1 stop7h 08mDelta
Deal found 4/2$232
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2010:10 amDCA - YYZ
Nonstop1h 45mAmerican Airlines
Tue 4/2211:00 amYYZ - DCA
Nonstop1h 40mAmerican Airlines
Deal found 4/2$241
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/254:45 pmBWI - YYZ
1 stop5h 12mDelta
Mon 4/281:27 pmYYZ - BWI
1 stop8h 29mDelta
Deal found 4/2$253
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Fri 4/48:27 pmBWI - YYZ
1 stop27h 28mMultiple Airlines
Mon 4/72:55 pmYYZ - BWI
1 stop18h 20mMultiple Airlines
Deal found 4/1$260
This United deal was found by Cheapflights users on 4/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:59 pmIAD - YYZ
1 stop12h 41mUnited Airlines
Mon 5/266:15 amYYZ - IAD
Nonstop1h 39mUnited Airlines
Deal found 4/2$274
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:59 amDCA - YYZ
Nonstop1h 33mUnited Airlines
Sun 4/277:20 amYYZ - DCA
Nonstop1h 33mUnited Airlines
Deal found 4/2$287
This Trip.com deal was found by Cheapflights users on 4/2. 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 5/266:00 amDCA - YYZ
1 stop5h 25mWestJet
Sat 6/72:30 pmYYZ - DCA
1 stop4h 17mWestJet
Deal found 4/2$301

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 April 3, 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

Fri 5/2

6:59 am-8:32 am

Nonstop1h 33m

Toronto Pearson Intl

Mon 5/5

6:10 pm-7:43 pm

Nonstop1h 33m

$172

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 4/24

2:40 pm-4:14 pm

Nonstop1h 34m

Toronto Pearson Intl

Sun 4/27

8:15 am-9:46 am

Nonstop1h 31m

$173

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 5/6

7:00 am-12:46 pm

1 stop5h 46m

Toronto Pearson Intl

Tue 5/6

4:00 pm-9:53 pm

1 stop5h 53m

$218

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 5/6

8:21 am-1:20 pm

1 stop4h 59m

Toronto Pearson Intl

Tue 5/6

4:00 pm-9:13 pm

1 stop5h 13m

$218

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 4/29

8:45 am-1:04 pm

1 stop4h 19m

Toronto Pearson Intl

Tue 5/6

5:00 pm-8:56 pm

1 stop3h 56m

$232

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 4/24

6:00 am-11:25 am

1 stop5h 25m

Toronto Pearson Intl

Sun 4/27

3:59 pm-11:07 pm

1 stop7h 08m

$232

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 4/20

10:10 am-11:55 am

Nonstop1h 45m

Toronto Pearson Intl

Tue 4/22

11:00 am-12:40 pm

Nonstop1h 40m

$241

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 4/25

4:45 pm-9:57 pm

1 stop5h 12m

Toronto Pearson Intl

Mon 4/28

1:27 pm-9:56 pm

1 stop8h 29m

$253

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 4/19

6:50 am-11:55 pm

1 stop17h 05m

Toronto Pearson Intl

Wed 4/23

6:30 am-10:37 am

1 stop28h 07m

$273

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 5/23

10:15 pm-7:40 am

1 stop9h 25m

Toronto Pearson Intl

Sun 5/25

8:10 am-9:39 am

Nonstop1h 29m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

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 March 28, 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 83 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 $359). 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 April 3, 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 Wednesday 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 April 3, 2025.

The most flights from WAS to NI4 are scheduled on a Wednesday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 April 3, 2025.
Get a feel of what it's like to fly with Delta, Copa Airlines and United Airlines 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.
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,400 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,795 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $84. Delta flights start at $89 while deals on United Airlines start at $108 one-way.

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

    While some choose either Washington, D.C. Reagan-National - Toronto Pearson Intl or Baltimore/Washington - Toronto Pearson Intl, Washington, D.C. Dulles Intl - Toronto Pearson Intl is the most popular route 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 $187.

  • 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 $359). 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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Alternative routes for Washington, D.C. to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$115Average$347FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$125Average$297FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$134Average$336FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$145Average$350FlexibilityNo cancel feeOn-time71%
DeltaCheapest$242Average$428FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$250Average$346FlexibilityNo cancel feeOn-time50%
WestJetCheapest$278Average$457FlexibilityNo cancel feeOn-time60%

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