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Niagara Falls

$106+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYZ
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
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 February, booked 89 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Dulles Intl to Niagara Falls

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Niagara Falls (NI4). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$231
(Mytrip)

One-way from

$106
(Air Canada)

Popular in

November

Cheapest in

March

Average price

$290
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, 0% 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 January 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 January 30, 2025.

This Mytrip deal was found by Cheapflights users on 1/30. 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.
Tue 3/255:16 pmIAD - YYZ
Nonstop1h 41mAir Canada
Wed 3/2610:00 amYYZ - IAD
Nonstop1h 39mAir Canada
Deal found 1/30$231
This Delta deal was found by Cheapflights users on 1/29. 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 2/206:00 amIAD - YYZ
1 stop5h 56mDelta
Mon 2/246:00 amYYZ - IAD
1 stop5h 25mDelta
Deal found 1/29$257
This United deal was found by Cheapflights users on 1/29. 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 3/1210:08 pmIAD - YYZ
1 stop9h 36mMultiple Airlines
Thu 3/1310:00 amYYZ - IAD
1 stop5h 13mMultiple Airlines
Deal found 1/29$271
This Kissandfly.com deal was found by Cheapflights users on 1/29. 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.
Thu 2/202:35 pmIAD - YYZ
Nonstop1h 31mLufthansa
Sun 2/238:10 amYYZ - IAD
Nonstop1h 36mLufthansa
Deal found 1/29$276
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:05 amIAD - YYZ
1 stop7h 39mWestJet
Mon 3/35:15 pmYYZ - IAD
1 stop22h 35mWestJet
Deal found 1/28$278
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 2/2610:35 amIAD - YYZ
Nonstop1h 31mUnited Airlines
Wed 3/56:15 amYYZ - IAD
Nonstop1h 50mUnited Airlines
Deal found 1/29$292

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/25

5:16 pm-6:57 pm

Nonstop1h 41m

Toronto Pearson Intl

Wed 3/26

10:00 am-11:39 am

Nonstop1h 39m

$231

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 2/20

6:00 am-11:56 am

1 stop5h 56m

Toronto Pearson Intl

Mon 2/24

6:00 am-11:25 am

1 stop5h 25m

$257

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 3/12

10:08 pm-7:44 am

1 stop9h 36m

Toronto Pearson Intl

Thu 3/13

10:00 am-3:13 pm

1 stop5h 13m

$271

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 2/20

2:35 pm-4:06 pm

Nonstop1h 31m

Toronto Pearson Intl

Sun 2/23

8:10 am-9:46 am

Nonstop1h 36m

$276

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 3/3

6:05 am-1:44 pm

1 stop7h 39m

Toronto Pearson Intl

Mon 3/3

5:15 pm-3:50 pm

1 stop22h 35m

$278

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 2/26

10:35 am-12:06 pm

Nonstop1h 31m

Toronto Pearson Intl

Wed 3/5

6:15 am-8:05 am

Nonstop1h 50m

$292

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 3/30

1:52 pm-6:48 pm

1 stop4h 56m

$106

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 3/8

5:17 pm-9:24 pm

1 stop4h 07m

$132

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 2/25

6:00 am-11:56 am

1 stop5h 56m

$142

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/18

5:54 pm-3:32 pm

2 stops21h 38m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 14 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 January 24, 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 89 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 January 30, 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. 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. Dulles Intl Airport to Niagara Falls

Explore weekly flight availability from Dulles Intl 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 January 30, 2025.

The most flights from IAD to NI4 are scheduled on a Wednesday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 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 January 30, 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
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

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
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

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
8,906 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

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
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

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
2,817 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

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
8,641 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

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 $106. However, be on the lookout for offers from United Airlines and WestJet, 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 (87%), Copa Airlines (81%) and Air Canada (81%).

  • 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 $1,161, our data indicates the cheapest price to be $104. The most popular route (Washington, D.C. Dulles Intl - Toronto Pearson Intl), is priced around $234.

  • 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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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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$128Average$346FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$150Average$346FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$204Average$287FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$250Average$346FlexibilityNo cancel feeOn-time50%
WestJetCheapest$311Average$478FlexibilityNo cancel feeOn-time60%
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