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Niagara-on-the-Lake

$80+ Cheap flights from Washington, D.C. (WAS) to Niagara-on-the-Lake, 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYZ
Jän 13 — Jän 201
Di 1/13
Di 1/20
1 adult, Economy
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Find cheap flights from Washington, D.C. to Niagara-on-the-Lake with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. to Niagara-on-the-Lake are usually found in June or February, booked 88 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Washington, D.C. to Niagara-on-the-Lake

Cheapest flights from Washington, D.C. to Niagara-on-the-Lake
Explore the most affordable flight options available from Washington, D.C. to Niagara-on-the-Lake. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Dezember 14, 2025.

This Air Canada deal was found by Cheapflights users on 12/12. 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.
Mi 12/319:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Mi 1/142:15 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/12$286
This Air Canada deal was found by Cheapflights users on 12/12. 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.
Sa 12/2710:08 pmIAD - YYZ
1 stop8h 23mAir Canada
Mi 12/316:55 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/12$322
This Air Canada deal was found by Cheapflights users on 12/14. 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.
Di 12/308:40 pmDCA - YYZ
Nonstop1h 37mAir Canada
Di 1/67:20 amYYZ - DCA
Nonstop1h 35mAir Canada
Deal found 12/14$334
This Air Canada deal was found by Cheapflights users on 12/12. 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.
Di 12/309:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Di 1/66:55 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/12$334
This Air Canada deal was found by Cheapflights users on 12/14. 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.
Di 12/309:40 amDCA - YYZ
Nonstop1h 37mAir Canada
Mi 1/77:10 amYYZ - DCA
1 stop5h 09mAir Canada
Deal found 12/14$339
This Air Canada deal was found by Cheapflights users on 12/12. 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.
So 12/289:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Fr 1/96:55 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/12$349
This Air Canada deal was found by Cheapflights users on 12/12. 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.
Mi 12/319:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Mo 1/56:55 pmYYZ - IAD
Nonstop1h 34mAir Canada
Deal found 12/12$352
This Air Canada deal was found by Cheapflights users on 12/12. 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.
So 12/288:40 pmDCA - YYZ
Nonstop1h 37mAir Canada
Fr 1/94:30 pmYYZ - DCA
Nonstop1h 35mAir Canada
Deal found 12/12$353
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Mi 12/319:00 amIAD - YYZ
Nonstop1h 29mAir Canada
Mi 1/76:55 pmYYZ - IAD
Nonstop1h 31mAir Canada
Deal found 12/13$355
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Mo 12/296:59 amDCA - YYZ
Nonstop1h 36mAir Canada
Di 1/64:30 pmYYZ - DCA
Nonstop1h 35mAir Canada
Deal found 12/13$363
This Air Canada deal was found by Cheapflights users on 12/12. 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.
Do 12/254:10 pmDCA - YYZ
1 stop5h 34mAir Canada
Do 1/89:00 pmYYZ - DCA
Nonstop1h 35mAir Canada
Deal found 12/12$365
This Air Canada deal was found by Cheapflights users on 12/12. 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.
Di 12/309:40 amDCA - YYZ
Nonstop1h 37mAir Canada
Mo 1/57:10 amYYZ - DCA
1 stop5h 09mAir Canada
Deal found 12/12$368

Find flight deals from Washington, D.C. to Niagara-on-the-Lake

Keep the following information in mind while searching for Washington, D.C. to Niagara-on-the-Lake flight deals. Data was last updated Dezember 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$198
(Kiwi.com)

One-way from

$80
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$323
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. (WAS) to Niagara-on-the-Lake
Search Deals
One-way flight from Washington, D.C. (WAS) to Niagara-on-the-Lake
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Niagara-on-the-Lake 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 Dezember 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Niagara-on-the-Lake that are best for you.

Fly from

Washington, D.C.

Fly to

Niagara-on-the-Lake

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fr 2/13

6:50 pm-8:27 pm

Nonstop1h 37m

Toronto Pearson Intl

Di 2/17

9:00 pm-10:35 pm

Nonstop1h 35m

$245

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Do 1/15

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

So 1/18

6:10 pm-7:45 pm

Nonstop1h 35m

$245

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Do 1/29

8:50 am-5:53 pm

1 stop9h 03m

Toronto Pearson Intl

So 2/1

6:06 am-10:13 am

1 stop4h 07m

$264

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Do 2/12

1:45 pm-5:47 pm

1 stop4h 02m

Toronto Pearson Intl

Di 2/17

12:11 pm-5:04 pm

1 stop4h 53m

$264

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Do 1/8

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

So 1/11

7:20 am-8:55 am

Nonstop1h 35m

$264

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fr 1/9

5:00 pm-10:56 pm

1 stop5h 56m

Toronto Pearson Intl

Mi 1/14

12:10 pm-5:04 pm

1 stop4h 54m

$264

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Do 2/12

8:40 pm-10:17 pm

Nonstop1h 37m

Toronto Pearson Intl

Di 2/17

9:00 pm-10:35 pm

Nonstop1h 35m

$264

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fr 1/9

5:10 pm-10:51 pm

1 stop5h 41m

Toronto Pearson Intl

Fr 1/16

5:10 pm-9:23 pm

1 stop4h 13m

$264

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Di 2/17

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

Do 2/19

4:30 pm-6:05 pm

Nonstop1h 35m

$264

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fr 2/20

6:00 am-11:18 am

1 stop5h 18m

Toronto Pearson Intl

Di 2/24

10:05 am-4:28 pm

1 stop6h 23m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 56 results
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Best time to book a flight from Washington, D.C. to Niagara-on-the-Lake

Have a flexible travel schedule? Discover the best time to fly to Niagara-on-the-Lake 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-on-the-Lake

How far ahead should I book a flight from Washington, D.C. to Niagara-on-the-Lake?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Niagara-on-the-Lake. Price data was last updated on December 12, 2025.

The best time to book flights from Washington, D.C. to Niagara-on-the-Lake is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Niagara-on-the-Lake (average of $94). Flying from Washington, D.C. to Niagara-on-the-Lake in August is currently the most expensive (average of $171). 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 N1A?

Find hourly flight availability from Washington, D.C. to Niagara-on-the-Lake. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Dezember 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Niagara-on-the-Lake at noon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Washington, D.C. to Niagara-on-the-Lake?

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

Travelers seeking maximum savings on their Washington, D.C. to Niagara-on-the-Lake flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings 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-on-the-Lake

Explore weekly flight availability from Washington, D.C. to Niagara-on-the-Lake. 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 Dezember 14, 2025.

The most flights from WAS to N1A are scheduled on a Friday (30 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

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

Reviews of airlines servicing Niagara-on-the-Lake

Get insights into the airlines that provide service to Niagara-on-the-Lake. 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-on-the-Lake. Reviews last updated Dezember 14, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta, and United Airlines from Washington, D.C. to Niagara-on-the-Lake. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
399 reviews

Entertainment

7.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews

Entertainment

7.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Delta
7.9
Good
8,006 reviews
Porter Airlines
8.0
Very good
399 reviews

Entertainment

7.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,092 reviews
Porter Airlines
8.0
Very good
399 reviews

Entertainment

7.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,051 reviews
Porter Airlines
8.0
Very good
399 reviews

Entertainment

7.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,522 reviews
Porter Airlines
8.0
Very good
399 reviews

Entertainment

7.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Niagara-on-the-Lake. 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. to Niagara-on-the-Lake?

    Airlines like Air Canada and Delta fly from Washington, D.C. to Niagara-on-the-Lake in about 1h 37m. The time it takes to get you to your destination can typically vary by up to 7h 26m. The distance from Washington, D.C. to Niagara-on-the-Lake is about 359 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $91. American Airlines flights start at $102 while deals on United Airlines start at $106 one-way.

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

    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-on-the-Lake.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Niagara-on-the-Lake on time: Jazz (85%), United Airlines (79%), Air Canada (79%).

  • What are the cheapest flights from Washington, D.C. to Niagara-on-the-Lake?

    The cheapest flight price from Washington, D.C. to Niagara-on-the-Lake is $101. On average you can expect to pay $579. The most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), can usually be booked for $235.

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

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

  • How can I find direct flights from Washington, D.C. to Niagara-on-the-Lake?

    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-on-the-Lake.

  • Can I find deals for business class flights from Washington, D.C. to Niagara-on-the-Lake?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Niagara-on-the-Lake 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-on-the-Lake?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Niagara-on-the-Lake (average of $94). Flying from Washington, D.C. to Niagara-on-the-Lake in August is currently the most expensive (average of $171). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Niagara-on-the-Lake

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Reagan-National to Toronto Island flights
Dulles Intl to Ottawa flights
Reagan-National to Ottawa flights
Dulles Intl to London flights
Dulles Intl to Sault Ste Marie flights
Reagan-National to London flights
Dulles Intl to Thunder Bay flights
Reagan-National to Sault Ste Marie flights
Dulles Intl to Sudbury flights
Reagan-National to Thunder Bay flights
Dulles Intl to Hamilton flights
Dulles Intl to Timmins flights
Reagan-National to Windsor flights
Reagan-National to Hamilton flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights

Top 7 airlines flying from Washington, D.C. to Niagara-on-the-Lake

Discover the top 7 airlines that operate flights from Washington, D.C. to Niagara-on-the-Lake. 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 Dezember 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$292FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$127Average$328FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$176Average$245FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$185Average$331FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$336FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$261Average$375FlexibilityNo cancel feeOn-time71%
WestJetCheapest$349Average$496FlexibilityNo cancel feeOn-time60%

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