How long is the flight from Washington, D.C. to Niagara Falls?

Departing from Washington, D.C. to Niagara Falls will take you 1h 37m. Airlines will cover a distance of 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 Falls 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.

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.

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).

What are the most popular routes from Washington, D.C. to Niagara Falls?

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 Falls.

What are the cheapest flights from Washington, D.C. to Niagara Falls?

The cheapest flight price from Washington, D.C. to Niagara Falls is $100. On average you can expect to pay $559. The most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), can usually be booked for $250.

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

The top 3 most reliable airlines when flying from Washington, D.C. to Niagara Falls are ANA (74%), Jazz (73%) and United Airlines (71%).

What are the most popular airlines that fly from Washington, D.C. to Niagara Falls?

Before booking your flight from Washington, D.C. to Niagara Falls check out the most popular airlines for this route: Air Canada, United Airlines or American Airlines.

Can I find deals for flights from Washington, D.C. to Niagara Falls that include hotel bookings?

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

How can I find direct flights from Washington, D.C. to Niagara Falls?

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 Falls.

Can I find deals for business class flights from Washington, D.C. to Niagara Falls?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$58+ Flights from Washington, D.C. to Niagara Falls, ON

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Cheapflights Tip: The best prices from Washington, D.C. to Niagara Falls 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 Falls

Cheapest flights from Washington, D.C. to Niagara Falls
Explore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Mon 12/298:40 pmDCA - YYZ

Nonstop1h 37mAir Canada

Thu 1/17:20 amYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/22

$406

Mon 12/295:10 pmIAD - YYZ

1 stop4h 35mAir Canada

Mon 1/56:55 pmYYZ - IAD

Nonstop1h 34mAir Canada

Deal found 12/22

$452

Tue 12/309:00 amIAD - YYZ

Nonstop1h 29mAir Canada

Mon 1/56:55 pmYYZ - IAD

Nonstop1h 34mAir Canada

Deal found 12/22

$456

Tue 12/308:40 pmDCA - YYZ

Nonstop1h 37mAir Canada

Mon 1/57:20 amYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/22

$469

Mon 12/228:40 amIAD - YYZ

2 stops53h 33mMultiple Airlines

Fri 1/97:10 amYYZ - IAD

1 stop25h 58mMultiple Airlines

Deal found 12/21

$474

Sun 12/286:18 pmBWI - YYZ

1 stop29h 02mMultiple Airlines

Mon 1/510:15 amYYZ - BWI

2 stops38h 14mMultiple Airlines

Deal found 12/22

$513

Mon 12/225:41 pmBWI - YYZ

1 stop27h 38mMultiple Airlines

Fri 1/97:10 amYYZ - BWI

1 stop16h 37mMultiple Airlines

Deal found 12/21

$519

Mon 12/295:10 pmIAD - YYZ

1 stop4h 35mAir Canada

Sat 1/32:15 pmYYZ - IAD

1 stop7h 10mAir Canada

Deal found 12/22

$520

Mon 12/2910:00 pmBWI - YYZ

1 stop16h 20mMultiple Airlines

Mon 1/58:30 pmYYZ - BWI

1 stop13h 05mMultiple Airlines

Deal found 12/21

$524

Sun 12/288:40 pmDCA - YYZ

Nonstop1h 37mAir Canada

Tue 12/307:20 amYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/22

$544

Sun 12/285:10 pmIAD - YYZ

1 stop4h 35mAir Canada

Tue 12/306:55 pmYYZ - IAD

Nonstop1h 31mAir Canada

Deal found 12/22

$549

Mon 12/299:58 pmIAD - YYZ

1 stop16h 22mMultiple Airlines

Sun 1/411:15 amYYZ - IAD

2 stops27h 46mMultiple Airlines

Deal found 12/21

$551

Best flights from Washington, D.C. to Niagara Falls
Discover carefully curated flight deals from Washington, D.C. to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Wed 2/41:00 pmBWI - YYZ

1 stop10h 20mMultiple Airlines

Wed 2/112:20 pmYYZ - BWI

1 stop8h 02mMultiple Airlines

Deal found 12/21

$242

Tue 1/208:20 amIAD - YYZ

1 stop7h 42mUnited Airlines

Tue 1/207:40 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/21

$261

Sat 3/286:50 pmDCA - YYZ

Nonstop1h 37mAir Canada

Mon 3/309:10 pmYYZ - DCA

Nonstop1h 33mAir Canada

Deal found 12/22

$275

Mon 2/21:05 pmBWI - YYZ

1 stop11h 09mMultiple Airlines

Thu 2/57:15 amYYZ - BWI

2 stops10h 12mMultiple Airlines

Deal found 12/20

$244

Mon 1/196:59 amDCA - YYZ

Nonstop1h 36mAir Canada

Sun 1/259:00 pmYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/20

$275

Sun 1/1810:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Tue 1/207:40 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/21

$275

Fri 1/306:20 amBWI - YYZ

1 stop8h 20mMultiple Airlines

Sun 2/811:15 amYYZ - BWI

1 stop12h 44mMultiple Airlines

Deal found 12/22

$256

Thu 2/126:59 amDCA - YYZ

Nonstop1h 36mAir Canada

Sun 2/159:00 pmYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/23

$275

Mon 2/210:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Sun 2/87:40 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/22

$275

Sat 1/244:44 pmBWI - YYZ

1 stop7h 27mMultiple Airlines

Sat 1/317:15 amYYZ - BWI

2 stops11h 35mMultiple Airlines

Deal found 12/20

$259

Thu 1/226:59 amDCA - YYZ

Nonstop1h 36mAir Canada

Sat 1/246:10 pmYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/20

$275

Thu 2/1910:09 pmIAD - YYZ

Nonstop1h 37mUnited Airlines

Sun 2/227:40 pmYYZ - IAD

Nonstop1h 41mUnited Airlines

Deal found 12/21

$275

Mon 1/266:15 amBWI - YYZ

2 stops13h 56mMultiple Airlines

Fri 1/307:10 amYYZ - BWI

1 stop7h 56mMultiple Airlines

Deal found 12/22

$259

Tue 1/206:59 amDCA - YYZ

Nonstop1h 36mAir Canada

Tue 1/279:00 pmYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/20

$275

Sun 2/110:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Sun 2/810:00 amYYZ - IAD

Nonstop1h 48mUnited Airlines

Deal found 12/22

$275

Fri 1/911:30 amBWI - YYZ

1 stop7h 46mMultiple Airlines

Wed 1/142:15 pmYYZ - BWI

1 stop17h 08mMultiple Airlines

Deal found 12/20

$262

Thu 1/2912:35 pmIAD - YYZ

Nonstop1h 39mUnited Airlines

Sun 2/87:40 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/22

$275

Thu 2/198:40 pmDCA - YYZ

Nonstop1h 35mAir Canada

Mon 2/237:10 amYYZ - DCA

1 stop5h 09mAir Canada

Deal found 12/22

$281

Thu 2/266:08 pmBWI - YYZ

2 stops20h 12mMultiple Airlines

Sun 3/18:30 pmYYZ - BWI

1 stop12h 11mMultiple Airlines

Deal found 12/22

$263

Mon 1/1912:35 pmIAD - YYZ

Nonstop1h 39mUnited Airlines

Fri 1/2310:00 amYYZ - IAD

Nonstop1h 48mUnited Airlines

Deal found 12/20

$275

Fri 1/236:59 amDCA - YYZ

Nonstop1h 36mAir Canada

Sun 1/258:15 amYYZ - DCA

1 stop4h 04mAir Canada

Deal found 12/22

$281

Thu 2/194:45 pmBWI - YYZ

1 stop7h 29mMultiple Airlines

Sun 2/223:40 pmYYZ - BWI

1 stop17h 01mMultiple Airlines

Deal found 12/21

$275

Fri 1/3010:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Sun 2/82:45 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/22

$275

Thu 2/266:59 amDCA - YYZ

Nonstop1h 36mAir Canada

Sun 3/18:15 amYYZ - DCA

1 stop4h 04mAir Canada

Deal found 12/22

$281

Fri 1/1610:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Tue 1/207:40 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/21

$275

Fri 1/306:00 amDCA - YYZ

1 stop4h 49mAir Canada

Sat 2/76:15 amYYZ - DCA

1 stop4h 08mAir Canada

Deal found 12/22

$292

Fri 1/1610:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Sat 1/172:45 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/20

$275

Tue 3/174:28 pmBWI - YYZ

1 stop7h 46mMultiple Airlines

Thu 3/193:40 pmYYZ - BWI

1 stop7h 49mMultiple Airlines

Deal found 12/22

$305

Fri 1/3010:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Sun 2/12:45 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/21

$275

Fri 1/3010:06 pmIAD - YYZ

Nonstop1h 40mUnited Airlines

Sat 2/77:40 pmYYZ - IAD

Nonstop1h 45mUnited Airlines

Deal found 12/22

$275

Last-minute flights from Washington, D.C. to Niagara Falls
Discover last-minute flight deals from Washington, D.C. to Niagara Falls. Data last updated December 23, 2025 and is based on user searches.

Fri 1/96:20 amBWI - YYZ

1 stop8h 20mMultiple Airlines

Sun 1/113:40 pmYYZ - BWI

1 stop16h 51mMultiple Airlines

Deal found 12/22

$232

Mon 1/121:02 pmBWI - YYZ

1 stop11h 23mMultiple Airlines

Thu 1/157:10 amYYZ - BWI

1 stop8h 42mMultiple Airlines

Deal found 12/22

$242

Mon 1/128:35 amIAD - YYZ

1 stop15h 36mMultiple Airlines

Thu 1/225:15 pmYYZ - IAD

1 stop15h 25mMultiple Airlines

Deal found 12/21

$244

Tue 1/139:40 amDCA - YYZ

Nonstop1h 37mAir Canada

Sun 1/259:00 pmYYZ - DCA

Nonstop1h 35mAir Canada

Deal found 12/22

$245

Sun 1/185:50 pmIAD - YYZ

2 stops29h 30mMultiple Airlines

Sun 1/258:00 pmYYZ - IAD

1 stop16h 36mMultiple Airlines

Deal found 12/21

$241

Mon 1/191:00 pmBWI - YYZ

1 stop10h 20mMultiple Airlines

Thu 1/227:10 amYYZ - BWI

1 stop9h 32mMultiple Airlines

Deal found 12/21

$208

Tue 1/201:00 pmBWI - YYZ

1 stop10h 20mMultiple Airlines

Mon 1/263:40 pmYYZ - BWI

1 stop7h 56mMultiple Airlines

Deal found 12/20

$235

Wed 1/211:00 pmBWI - YYZ

1 stop10h 20mMultiple Airlines

Wed 1/285:15 pmYYZ - BWI

1 stop19h 12mMultiple Airlines

Deal found 12/22

$225

Thu 1/225:37 pmBWI - YYZ

1 stop21h 03mMultiple Airlines

Mon 1/265:15 pmYYZ - BWI

1 stop23h 55mMultiple Airlines

Deal found 12/21

$210

Thu 1/225:37 pmBWI - YYZ

1 stop21h 03mMultiple Airlines

Sun 1/258:30 pmYYZ - BWI

1 stop12h 01mMultiple Airlines

Deal found 12/21

$215

Thu 1/229:26 amBWI - YYZ

1 stop13h 54mMultiple Airlines

Wed 1/283:40 pmYYZ - BWI

1 stop7h 56mMultiple Airlines

Deal found 12/20

$219

Thu 1/295:37 pmIAD - YYZ

2 stops21h 03mMultiple Airlines

Thu 2/57:10 amYYZ - IAD

1 stop25h 30mMultiple Airlines

Deal found 12/22

$236

One-way flights from Washington, D.C. to Niagara Falls
Search for one-way flight options from Washington, D.C. to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Tue 2/177:54 pmBWI - YYZ

1 stop18h 26mMultiple Airlines

Deal found 12/21

$58

Wed 2/46:20 amBWI - YYZ

1 stop17h 00mMultiple Airlines

Deal found 12/21

$62

Thu 2/55:37 pmBWI - YYZ

1 stop21h 03mMultiple Airlines

Deal found 12/22

$70

Wed 1/286:20 amBWI - YYZ

1 stop17h 00mMultiple Airlines

Deal found 12/21

$71

Sun 1/184:47 pmBWI - YYZ

1 stop30h 33mMultiple Airlines

Deal found 12/22

$74

Thu 1/85:25 pmBWI - YYZ

1 stop21h 15mMultiple Airlines

Deal found 12/22

$79

Thu 1/295:37 pmBWI - YYZ

1 stop21h 03mMultiple Airlines

Deal found 12/23

$87

Tue 1/201:00 pmBWI - YYZ

1 stop10h 20mMultiple Airlines

Deal found 12/21

$96

Tue 1/271:00 pmBWI - YYZ

1 stop10h 20mMultiple Airlines

Deal found 12/20

$97

Thu 2/511:37 amIAD - YYZ

2 stops27h 03mMultiple Airlines

Deal found 12/22

$102

Tue 1/1312:55 pmDCA - YYZ

1 stop4h 41mAir Canada

Deal found 12/22

$103

Mon 1/265:10 pmIAD - YYZ

1 stop4h 35mAir Canada

Deal found 12/22

$103

Find flight deals from Washington, D.C. to Niagara Falls

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$208 (Kiwi.com)
One-way from	$58 (Kiwi.com)
Popular in	November
Cheapest in	June
Average price	$329

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 Falls

Search Deals

One-way flight from Washington, D.C. (WAS) to Niagara Falls

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 2/4

1:00 pm-11:20 pm

1 stop10h 20m

Toronto Pearson Intl

Wed 2/11

2:20 pm-10:22 pm

1 stop8h 02m

$242

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 2/2

1:05 pm-12:14 am

1 stop11h 09m

Toronto Pearson Intl

Thu 2/5

7:15 am-5:27 pm

2 stops10h 12m

$244

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 1/30

6:20 am-2:40 pm

1 stop8h 20m

Toronto Pearson Intl

Sun 2/8

11:15 am-11:59 pm

1 stop12h 44m

$256

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 1/24

4:44 pm-12:11 am

1 stop7h 27m

Toronto Pearson Intl

Sat 1/31

7:15 am-6:50 pm

2 stops11h 35m

$259

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 1/26

6:15 am-8:11 pm

2 stops13h 56m

Toronto Pearson Intl

Fri 1/30

7:10 am-3:06 pm

1 stop7h 56m

$259

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 1/20

8:20 am-4:02 pm

1 stop7h 42m

Toronto Pearson Intl

Tue 1/20

7:40 pm-9:25 pm

Nonstop1h 45m

$261

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 1/9

11:30 am-7:16 pm

1 stop7h 46m

Toronto Pearson Intl

Wed 1/14

2:15 pm-7:23 am

1 stop17h 08m

$262

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 2/26

6:08 pm-2:20 pm

2 stops20h 12m

Toronto Pearson Intl

Sun 3/1

8:30 pm-8:41 am

1 stop12h 11m

$263

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 3/28

6:50 pm-8:27 pm

Nonstop1h 37m

Toronto Pearson Intl

Mon 3/30

9:10 pm-10:43 pm

Nonstop1h 33m

$275

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 1/19

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

Sun 1/25

9:00 pm-10:35 pm

Nonstop1h 35m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 59 results

...

Best time to book a flight from Washington, D.C. to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls 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 Falls

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Niagara Falls, you should look to book at least 88 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 Washington, D.C. to Niagara Falls?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $94). Flying from Washington, D.C. to Niagara Falls 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 NI4?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Niagara Falls 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 Falls?

Travelers seeking maximum savings on their Washington, D.C. to Niagara Falls 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 Falls

The most flights from WAS to NI4 are scheduled on a Monday (30 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (22 on average).

Reviews of airlines servicing Niagara Falls

See what other customers who have flown with Porter Airlines, Delta, and United Airlines from Washington, D.C. to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

399 reviews

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

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

8,015 reviews

Porter Airlines

8.0

Very good

399 reviews

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

9,107 reviews

Porter Airlines

8.0

Very good

399 reviews

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

11,050 reviews

Porter Airlines

8.0

Very good

399 reviews

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

10,551 reviews

Porter Airlines

8.0

Very good

399 reviews

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

How long is the flight from Washington, D.C. to Niagara Falls?
Departing from Washington, D.C. to Niagara Falls will take you 1h 37m. Airlines will cover a distance of 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 Falls 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 Falls?
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 Falls.
What are the most reliable airlines from Washington, D.C. to Niagara Falls?
The top 3 most reliable airlines when flying from Washington, D.C. to Niagara Falls are ANA (74%), Jazz (73%) and United Airlines (71%).
What are the cheapest flights from Washington, D.C. to Niagara Falls?
The cheapest flight price from Washington, D.C. to Niagara Falls is $100. On average you can expect to pay $559. The most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), can usually be booked for $250.
Can I find deals for flights from Washington, D.C. to Niagara Falls that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Niagara Falls?
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 Falls.
Can I find deals for business class flights from Washington, D.C. to Niagara Falls?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Niagara Falls?
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Niagara Falls (average of $94). Flying from Washington, D.C. to Niagara Falls 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

Alternative routes for Washington, D.C. to Niagara Falls

Complete your trip

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Hamilton Airport car rentals

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Kitchener car rentals

Top 7 airlines flying from Washington, D.C. to Niagara Falls

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$54	Average$291	FlexibilityNo cancel fee	On-time52%
United Airlines	Cheapest$127	Average$326	FlexibilityNo cancel fee	On-time69%
Air Transat	Cheapest$176	Average$245	FlexibilityNo cancel fee	On-time50%
Air Canada	Cheapest$187	Average$318	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$255	Average$330	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$261	Average$376	FlexibilityNo cancel fee	On-time71%
WestJet	Cheapest$349	Average$490	FlexibilityNo cancel fee	On-time60%

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$58+ Cheap flights from Washington, D.C. (WAS) to Niagara Falls, ON, 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Niagara Falls 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 Falls

Cheapest flights from Washington, D.C. to Niagara FallsExplore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Washington, D.C. to Niagara Falls

Keep the following information in mind while searching for Washington, D.C. to Niagara Falls flight deals. Data was last updated December 23, 2025.

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Best time to book a flight from Washington, D.C. to Niagara Falls

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Everything you need to know about your flight from Washington, D.C. to Niagara Falls

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Niagara Falls. Price data was last updated on December 19, 2025.

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

What is the cheapest time of day to fly from WAS to NI4?

Find hourly flight availability from Washington, D.C. 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 December 23, 2025.

What is the cheapest day to fly from Washington, D.C. to Niagara Falls?

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

Weekly flight availability from Washington, D.C. to Niagara Falls

Reviews of airlines servicing Niagara Falls

See what other customers who have flown with Porter Airlines, Delta, and United Airlines from Washington, D.C. to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Niagara Falls. 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 Falls?

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Top 7 airlines flying from Washington, D.C. to Niagara Falls

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Cheapest flights from Washington, D.C. to Niagara Falls
Explore the most affordable flight options available from Washington, D.C. to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.