Cheap flights from Niagara Falls to Washington, D.C. Dulles Intl Airport from C$ 157
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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Niagara Falls to Washington, D.C. Dulles Intl are usually found in January or May, booked 78 days in advance, depart on a Friday or Saturday and return on a Monday
Cheap flight deals from Niagara Falls to Dulles Intl
Keep the following information in mind while searching for Niagara Falls to Dulles Intl flight deals. Data was last updated 12 June 2025.
Find flight deals from Niagara Falls to Dulles Intl
Cheapest flights from Niagara Falls to Dulles IntlExplore the most affordable flight options available from Niagara Falls to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.
Explore the most affordable flight options available from Niagara Falls to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Niagara Falls to Dulles Intl 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Niagara Falls to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 7/10
9:00 a.m.-8:55 p.m.
1 stop11h 55m
Washington, D.C. Dulles Intl
Wed 8/10
8:28 a.m.-10:04 a.m.
Nonstop1h 36m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 7/10
8:10 a.m.-9:38 a.m.
Nonstop1h 28m
Washington, D.C. Dulles Intl
Wed 8/10
10:20 a.m.-11:52 a.m.
Nonstop1h 32m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Thu 17/7
6:04 a.m.-12:02 p.m.
1 stop5h 58m
Washington, D.C. Dulles Intl
Sat 19/7
6:00 a.m.-2:45 p.m.
1 stop8h 45m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Thu 24/7
10:05 a.m.-11:39 a.m.
Nonstop1h 34m
Washington, D.C. Dulles Intl
Mon 28/7
2:25 p.m.-4:01 p.m.
Nonstop1h 36m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Thu 3/7
7:00 a.m.-11:55 a.m.
1 stop4h 55m
Washington, D.C. Dulles Intl
Sun 6/7
8:22 a.m.-10:04 a.m.
Nonstop1h 42m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 24/6
3:31 p.m.-10:55 p.m.
1 stop7h 24m
Washington, D.C. Dulles Intl
Thu 26/6
8:35 a.m.-5:48 p.m.
2 stops9h 13m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Sat 12/7
8:10 a.m.-9:37 a.m.
Nonstop1h 27m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 1/7
3:31 p.m.-10:55 p.m.
1 stop7h 24m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Thu 7/8
10:05 a.m.-11:39 a.m.
Nonstop1h 34m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 24/6
6:15 a.m.-11:54 a.m.
1 stop5h 39m
Best time to book a flight from Niagara Falls to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Niagara Falls with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Niagara Falls to Washington, D.C. Dulles Intl Airport
How far ahead should I book a flight from Niagara Falls to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Dulles Intl. Price data was last updated on 9 June 2025.
To ensure you get the cheapest price possible for a flight from Niagara Falls to Washington, D.C. Dulles Intl Airport, you should look to book at least 78 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 Niagara Falls to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Niagara Falls to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Niagara Falls to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 NI4 to IAD?
Find hourly flight availability from Niagara Falls to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.
When flying from Niagara Falls to Washington, D.C. Dulles Intl Airport, 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 Niagara Falls to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to Dulles Intl. Price data was last updated on 16 December 2024.
Travelers seeking maximum savings on their Niagara Falls to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday afternoons 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 Niagara Falls to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Niagara Falls to Dulles Intl. 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 12 June 2025.
The most flights from NI4 to IAD are scheduled on a Wednesday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).
Rainfall in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.
Temperature in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 12 June 2025.
See what other customers who have flown with Porter Airlines, Delta and United Airlines from Niagara Falls to Washington, D.C. have to say. 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.
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Boarding
Comfort
Food
Overall
Entertainment
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Related info for your journey
Find useful and relevant information for your journey from Niagara Falls to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Niagara Falls to Dulles Intl
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Top 5 airlines flying from Niagara Falls to Dulles Intl
Discover the top 5 airlines that operate flights from Niagara Falls to Dulles Intl. 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 629,999 searches. Data last updated 12 June 2025.
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How does Cheapflights help users find flights from Niagara Falls to Dulles Intl?
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