$97+ Cheap flights from Dulles Intl (IAD) to Niagara Falls, Canada
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYZ
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Niagara Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Niagara Falls are usually found in January or December, booked 79 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Dulles Intl to Niagara Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to Niagara FallsExplore 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 September 4, 2026.
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 September 4, 2026.
This Kissandfly.com deal was found by Cheapflights users on 9/3. 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.
Sun 11/159:55 am -
Nonstop1h 27m
Mon 11/166:40 pm -
Nonstop1h 30m
Deal found 9/3![Air Canada logo]()
$195
This Mytrip deal was found by Cheapflights users on 9/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:55 am -
Nonstop1h 25m
Fri 10/26:55 pm -
Nonstop1h 30m
Deal found 9/2![Air Canada logo]()
$196
This Booking.com deal was found by Cheapflights users on 9/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:45 am -
1 stop4h 48m
Wed 10/78:00 am -
1 stop7h 00m
Deal found 9/1![Air Canada logo]()
$202
This MakeMyTrip deal was found by Cheapflights users on 9/2. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:55 am -
Nonstop1h 25m
Sat 10/246:55 pm -
Nonstop1h 31m
Deal found 9/2![Air Canada logo]()
$204
This Air Canada deal was found by Cheapflights users on 9/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:45 am -
1 stop5h 48m
Sat 9/196:55 pm -
Nonstop1h 30m
Deal found 9/2![Air Canada logo]()
$206
This Kissandfly.com deal was found by Cheapflights users on 8/31. 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.
Tue 11/104:30 pm -
Nonstop1h 27m
Thu 11/126:40 pm -
Nonstop1h 30m
Deal found 8/31![Air Canada logo]()
$217
This United deal was found by Cheapflights users on 9/2. 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.
Wed 9/166:15 am -
1 stop5h 28m
Wed 9/161:55 pm -
Nonstop1h 30m
Deal found 9/2![Multiple Airlines logo]()
$219
Best flights from Dulles Intl to Niagara FallsDiscover carefully curated flight deals from Dulles Intl to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Dulles Intl to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This United deal was found by Cheapflights users on 9/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:28 am -
Nonstop1h 36m
Wed 10/281:00 pm -
1 stop7h 23m
Deal found 9/1![Multiple Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:19 pm -
Nonstop1h 35m
Tue 10/69:44 am -
Nonstop1h 37m
Deal found 9/1![United Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 9/2. 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.
Wed 9/235:15 pm -
1 stop5h 44m
Wed 9/3012:08 pm -
1 stop4h 22m
Deal found 9/2![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:17 pm -
Nonstop1h 45m
Tue 9/229:44 am -
Nonstop1h 37m
Deal found 8/30![United Airlines logo]()
$245
This United deal was found by Cheapflights users on 8/31. 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.
Mon 11/2312:39 pm -
Nonstop1h 46m
Thu 11/266:40 pm -
Nonstop1h 30m
Deal found 8/31![Multiple Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 8/31. 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.
Sun 10/116:05 am -
1 stop7h 31m
Thu 10/1512:10 pm -
1 stop4h 18m
Deal found 8/31![Delta logo]()
$271
This United deal was found by Cheapflights users on 8/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:11 am -
1 stop7h 52m
Mon 11/96:40 pm -
Nonstop1h 30m
Deal found 8/30![Multiple Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/38:33 am -
1 stop5h 14m
Tue 10/67:00 am -
1 stop6h 59m
Deal found 8/31![United Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:19 pm -
Nonstop1h 35m
Tue 9/2912:45 pm -
Nonstop1h 37m
Deal found 9/1![United Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 9/3. 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.
Sat 10/105:08 pm -
1 stop5h 48m
Mon 10/122:26 pm -
1 stop8h 50m
Deal found 9/3![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:15 am -
1 stop4h 52m
Thu 9/248:50 am -
1 stop5h 09m
Deal found 9/1![United Airlines logo]()
$320
This United deal was found by Cheapflights users on 8/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:15 am -
1 stop4h 52m
Mon 9/2111:40 pm -
1 stop8h 03m
Deal found 8/30![Multiple Airlines logo]()
$375
Last-minute flights from Dulles Intl to Niagara FallsDiscover last-minute flight deals from Dulles Intl to Niagara Falls. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Niagara Falls. Data last updated September 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/158:20 am -
1 stop7h 26m
Tue 9/157:43 pm -
Nonstop1h 41m
Deal found 8/31![United Airlines logo]()
$231
This United deal was found by Cheapflights users on 9/2. 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.
Wed 9/166:15 am -
1 stop5h 28m
Wed 9/161:55 pm -
Nonstop1h 30m
Deal found 9/2![Multiple Airlines logo]()
$219
This Air Canada deal was found by Cheapflights users on 9/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:00 pm -
Nonstop1h 25m
Thu 10/156:55 pm -
Nonstop1h 30m
Deal found 9/2![Air Canada logo]()
$222
This Air Canada deal was found by Cheapflights users on 9/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:45 am -
1 stop4h 48m
Wed 9/231:55 pm -
Nonstop1h 30m
Deal found 9/1![Air Canada logo]()
$230
This Air Canada deal was found by Cheapflights users on 9/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:45 am -
1 stop5h 48m
Sat 9/196:55 pm -
Nonstop1h 30m
Deal found 9/2![Air Canada logo]()
$206
This Mytrip deal was found by Cheapflights users on 9/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:55 am -
Nonstop1h 25m
Fri 10/26:55 pm -
Nonstop1h 30m
Deal found 9/2![Air Canada logo]()
$196
This Booking.com deal was found by Cheapflights users on 9/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:45 am -
1 stop4h 48m
Wed 10/78:00 am -
1 stop7h 00m
Deal found 9/1![Air Canada logo]()
$202
This MakeMyTrip deal was found by Cheapflights users on 9/2. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:55 am -
Nonstop1h 25m
Sat 10/246:55 pm -
Nonstop1h 31m
Deal found 9/2![Air Canada logo]()
$204
This United deal was found by Cheapflights users on 8/31. 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 10/2810:35 pm -
1 stop10h 39m
Thu 10/291:00 pm -
1 stop7h 23m
Deal found 8/31![Multiple Airlines logo]()
$228
One-way flights from Dulles Intl to Niagara FallsSearch for one-way flight options from Dulles Intl to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Dulles Intl to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:43 pm -
Nonstop1h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$97
This Air Canada deal was found by Cheapflights users on 9/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:55 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Air Canada logo]()
$98
This Air Canada deal was found by Cheapflights users on 9/3. 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.
Tue 11/109:55 am -
1 stop4h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$101
This Air Canada deal was found by Cheapflights users on 9/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:45 am -
1 stop4h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Air Canada logo]()
$102
This Delta deal was found by Cheapflights users on 9/4. 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.
Tue 9/226:10 am -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$105
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:19 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$108
This Air Canada deal was found by Cheapflights users on 8/31. 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.
Mon 9/149:55 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Air Canada logo]()
$109
This Air Canada deal was found by Cheapflights users on 8/31. 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.
Mon 10/59:45 am -
2 stops7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Air Canada logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Wed 10/146:08 pm -
1 stop19h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$122
Find 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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $195 (Kissandfly.com) |
One-way from | $97 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $358 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Niagara Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Sun 9/13
10:19 pm-11:54 pm
Nonstop1h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Sat 9/26
10:19 pm-11:54 pm
Nonstop1h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Tue 9/22
12:43 pm-2:19 pm
Nonstop1h 36m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Mon 10/5
5:17 pm-7:02 pm
Nonstop1h 45m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Sat 9/19
10:19 pm-11:54 pm
Nonstop1h 35m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Thu 9/24
6:10 am-11:18 am
1 stop5h 08m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Fri 11/20
6:00 am-1:30 pm
1 stop7h 30m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Fri 11/27
5:50 pm-11:26 pm
1 stop5h 36m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Sat 10/3
4:02 pm-11:59 pm
1 stop7h 57m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
Washington, D.C.Toronto
IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl
IADYYZ
Washington, D.C. Dulles Intl
Fri 11/20
10:35 pm-9:14 am
1 stop10h 39m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
Showing 1-10 of 22 resultsSorted by cheapest first
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.
IAD-YYZ
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. Dulles Intl Airport to Niagara Falls
IAD-NI4
IAD-YYZ
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 September 4, 2026.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Niagara Falls at noon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.
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 September 4, 2026.
The most flights from IAD to NI4 are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Niagara Falls?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Niagara Falls flights typically cost between $280 and $462 in November.The cheapest round-trip price found within the last 5 days was $195 on Air Canada (Nov 15-Nov 16).
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 August 29, 2026.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Niagara Falls flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 4, 2026.
Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Niagara Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Crew
8.6
Entertainment
6.9
Comfort
8.0
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$116 | Average$329 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$128 | Average$234 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$246 | Average$421 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$439 | FlexibilityNo cancel fee | On-time50% |