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Niagara Falls

$94+ Cheap flights from Dulles Intl (IAD) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYZ
mar. 10 — mar. 171
lun. 3/10
lun. 3/17
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Niagara Falls are usually found in March or October, booked 75 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Dulles Intl to Niagara Falls

Keep the following information in mind while searching for Dulles Intl to Niagara Falls flight deals. Data was last updated marzo 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Kiwi.com)

One-way from

$94
(Air Canada)

Popular in

November

Cheapest in

March

Average price

$270
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. Dulles Intl to Niagara Falls
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One-way flight from Washington, D.C. Dulles Intl to Niagara Falls
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Dulles Intl to Niagara Falls

Cheapest flights from Dulles Intl to Niagara Falls
Explore the most affordable flight options available from Dulles Intl to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/14:37 pmIAD - YYZ
1 stop7h 22mMultiple Airlines
mié. 4/27:00 amYYZ - IAD
1 stop8h 45mMultiple Airlines
Deal found 3/4$197
This Air Canada deal was found by Cheapflights users on 3/5. 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.
mar. 4/18:25 amIAD - YYZ
Nonstop1h 39mAir Canada
mar. 4/17:47 pmYYZ - IAD
Nonstop1h 38mAir Canada
Deal found 3/5$198
This United Airlines deal was found by Cheapflights users on 3/5. 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.
sáb. 3/296:00 amIAD - YYZ
1 stop6h 37mUnited Airlines
sáb. 3/292:45 pmYYZ - IAD
Nonstop1h 32mUnited Airlines
Deal found 3/5$251
This Delta deal was found by Cheapflights users on 3/4. 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.
mar. 3/251:35 pmIAD - YYZ
1 stop5h 32mDelta
jue. 3/276:49 pmYYZ - IAD
1 stop4h 11mDelta
Deal found 3/4$257
This Kissandfly.com deal was found by Cheapflights users on 3/5. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/198:17 amIAD - YYZ
Nonstop1h 41mLufthansa
dom. 3/238:10 amYYZ - IAD
Nonstop1h 36mLufthansa
Deal found 3/5$319

Find flights from Dulles Intl to Niagara Falls within your budget

Customize your flight search to find flights from Dulles Intl 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 marzo 5, 2025.

Fly from

Dulles Intl

Fly to

Niagara Falls

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mar. 4/1

4:37 pm-11:59 pm

1 stop7h 22m

Toronto Pearson Intl

mié. 4/2

7:00 am-3:45 pm

1 stop8h 45m

$197

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mar. 4/1

8:25 am-10:04 am

Nonstop1h 39m

Toronto Pearson Intl

mar. 4/1

7:47 pm-9:25 pm

Nonstop1h 38m

$198

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

sáb. 3/29

6:00 am-12:37 pm

1 stop6h 37m

Toronto Pearson Intl

sáb. 3/29

2:45 pm-4:17 pm

Nonstop1h 32m

$251

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mar. 3/25

1:35 pm-7:07 pm

1 stop5h 32m

Toronto Pearson Intl

jue. 3/27

6:49 pm-11:00 pm

1 stop4h 11m

$257

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mié. 3/19

8:17 am-9:58 am

Nonstop1h 41m

Toronto Pearson Intl

dom. 3/23

8:10 am-9:46 am

Nonstop1h 36m

$319

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

sáb. 4/19

2:40 pm-4:14 pm

Nonstop1h 34m

$94

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mar. 4/15

12:11 pm-5:15 pm

1 stop5h 04m

$102

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

lun. 6/2

10:15 pm-10:15 am

1 stop12h 00m

$132

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

vie. 8/15

4:17 pm-2:29 pm

1 stop22h 12m

$150

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mié. 3/26

5:54 pm-11:09 am

2 stops17h 15m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 13 results
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Best time to book a flight from Dulles Intl to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Dulles Intl 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.

Travel insights for flights from Dulles Intl to Niagara Falls

Get recent, data-driven insights about flights from Dulles Intl to Niagara Falls including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Niagara Falls. Price data was last updated on February 28, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Niagara Falls 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 Washington, D.C. Dulles Intl Airport to Niagara Falls?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Niagara Falls (average of $243). Flying from Washington, D.C. Dulles Intl Airport 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 IAD to NI4?

Find hourly flight availability from Dulles Intl 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 marzo 5, 2025.

When flying from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Niagara Falls?

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

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

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 marzo 5, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Niagara Falls, such as Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,044 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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
8,044 reviews
Delta
8.0
Very good
8,044 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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
8,655 reviews
Delta
8.0
Very good
8,044 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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
8,044 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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
2,788 reviews
Delta
8.0
Very good
8,044 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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.

Air Canada
7.0
Good
8,837 reviews
Delta
8.0
Very good
8,044 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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 Dulles Intl 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. Dulles Intl Airport to Niagara Falls one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $94. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Niagara Falls for a low price.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Niagara Falls are ANA (74%), Copa Airlines (72%) and Republic Airways (72%).

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Niagara Falls? While on average our users pay $1,033, our data indicates the cheapest price to be $77. The most popular route (Washington, D.C. Dulles Intl - Toronto Pearson Intl), is priced around $197.

  • Can I find deals for flights from Dulles Intl to Niagara Falls that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Niagara Falls?

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

  • Can I find deals for business class flights from Dulles Intl to Niagara Falls?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Niagara Falls (average of $243). Flying from Washington, D.C. Dulles Intl Airport 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.

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Alternative routes for Dulles Intl to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Thunder Bay flights
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Dulles Intl to London flights
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Reagan-National to London flights
Baltimore to London flights
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Reagan-National to Windsor flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights
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Top 5 airlines flying from Dulles Intl to Niagara Falls

Discover the top 5 airlines that operate flights from Dulles Intl 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 marzo 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$125Average$288FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$126Average$346FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$156Average$344FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$250Average$346FlexibilityNo cancel feeOn-time50%
WestJetCheapest$278Average$478FlexibilityNo cancel feeOn-time60%
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