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$94+ Cheap flights from Washington, D.C. (WAS) to Hamilton, 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYZ
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Hamilton are usually found in June or April, booked 77 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Washington, D.C. to Hamilton

Cheapest flights from Washington, D.C. to Hamilton
Explore the most affordable flight options available from Washington, D.C. to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 3/98:09 am
IAD
-
YYZ
1 stop30h 11m
Multiple Airlines
Thu 3/268:20 pm
YYZ
-
IAD
1 stop11h 04m
Multiple Airlines
Deal found 2/19$216
This Booking.com deal was found by Cheapflights users on 2/18. 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.
Sat 4/46:59 am
DCA
-
YYZ
Nonstop1h 34m
Air Canada
Sat 4/119:10 pm
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 2/18$220
This Booking.com deal was found by Cheapflights users on 2/18. 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.
Sat 4/44:30 pm
IAD
-
YYZ
Nonstop1h 27m
Air Canada
Sat 4/112:05 pm
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Deal found 2/18$220
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 3/98:09 am
IAD
-
YYZ
1 stop30h 11m
Multiple Airlines
Sat 3/288:20 pm
YYZ
-
IAD
1 stop11h 00m
Multiple Airlines
Deal found 2/19$221
This Booking.com deal was found by Cheapflights users on 2/19. 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.
Sun 4/56:59 am
DCA
-
YYZ
Nonstop1h 34m
Air Canada
Sun 4/127:20 am
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 2/19$225
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 4/88:30 pm
IAD
-
YYZ
1 stop17h 50m
Multiple Airlines
Fri 4/245:15 pm
YYZ
-
IAD
1 stop14h 12m
Multiple Airlines
Deal found 2/18$225
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Thu 3/128:15 am
IAD
-
YYZ
1 stop15h 59m
Multiple Airlines
Fri 3/278:20 pm
YYZ
-
IAD
1 stop11h 04m
Multiple Airlines
Deal found 2/19$227
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Mon 3/168:15 am
YYZ
-
DCA
1 stop4h 04m
Air Canada
Deal found 2/18$228
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Thu 3/128:15 am
IAD
-
YYZ
1 stop15h 59m
Multiple Airlines
Thu 3/265:15 pm
YYZ
-
IAD
1 stop14h 09m
Multiple Airlines
Deal found 2/18$230
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Mon 3/98:09 am
IAD
-
YYZ
1 stop29h 59m
Multiple Airlines
Fri 3/277:15 am
YYZ
-
IAD
1 stop24h 09m
Multiple Airlines
Deal found 2/18$231
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Thu 4/96:59 am
DCA
-
YYZ
Nonstop1h 34m
Air Canada
Sun 4/128:15 am
YYZ
-
DCA
1 stop3h 46m
Air Canada
Deal found 2/18$233
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Thu 3/128:15 am
IAD
-
YYZ
1 stop15h 59m
Multiple Airlines
Wed 3/258:20 pm
YYZ
-
IAD
1 stop11h 04m
Multiple Airlines
Deal found 2/18$233

Find flight deals from Washington, D.C. to Hamilton

Keep the following information in mind while searching for Washington, D.C. to Hamilton flight deals. Data was last updated February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$342
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 Hamilton
Search Deals
One-way flight from Washington, D.C. (WAS) to Hamilton
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 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 February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Hamilton 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 February 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Hamilton that are best for you.

Fly from

Washington, D.C.

Fly to

Hamilton

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 4/18

10:14 pm-11:54 pm

Nonstop1h 40m

Toronto Pearson Intl

Fri 4/24

9:35 am-11:14 am

Nonstop1h 39m

$257

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 3/11

12:33 pm-2:14 pm

Nonstop1h 41m

Toronto Pearson Intl

Wed 3/25

2:45 pm-4:28 pm

Nonstop1h 43m

$257

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 4/24

8:20 am-10:04 am

Nonstop1h 44m

Toronto Pearson Intl

Sun 4/26

7:43 pm-9:25 pm

Nonstop1h 42m

$257

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/24

10:09 pm-11:46 pm

Nonstop1h 37m

Toronto Pearson Intl

Fri 3/27

7:40 pm-9:21 pm

Nonstop1h 41m

$257

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 4/4

12:40 pm-2:19 pm

Nonstop1h 39m

Toronto Pearson Intl

Thu 4/9

7:43 pm-9:25 pm

Nonstop1h 42m

$257

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/31

5:41 pm-10:23 pm

1 stop4h 42m

Toronto Pearson Intl

Wed 4/1

9:35 am-11:14 am

Nonstop1h 39m

$267

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 3/26

6:00 am-11:48 am

1 stop5h 48m

Toronto Pearson Intl

Tue 3/31

9:44 am-11:23 am

Nonstop1h 39m

$267

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 3/18

8:26 am-1:43 pm

1 stop5h 17m

Toronto Pearson Intl

Sat 3/21

10:00 am-11:46 am

Nonstop1h 46m

$267

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 3/4

10:06 am-11:20 pm

1 stop13h 14m

Toronto Pearson Intl

Tue 3/10

3:40 pm-11:31 pm

1 stop7h 51m

$278

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 3/9

5:13 pm-6:57 pm

Nonstop1h 44m

Toronto Pearson Intl

Mon 3/23

7:40 pm-9:21 pm

Nonstop1h 41m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 60 results
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6

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Hamilton. Price data was last updated on February 18, 2026.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Hamilton. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Hamilton (average of $105). Flying from Washington, D.C. to Hamilton 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 H4M?

Find hourly flight availability from Washington, D.C. to Hamilton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2026.

When flying from Washington, D.C. to Hamilton, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 44% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Hamilton. Price data was last updated on November 25, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Hamilton flight should consider departing on Sunday mornings 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.

Weekly flight availability from Washington, D.C. to Hamilton

Explore weekly flight availability from Washington, D.C. to Hamilton. 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 February 20, 2026.

The most flights from WAS to H4M are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost to fly round-trip from Washington, D.C. to Hamilton?

Reviews of airlines servicing Hamilton

Get insights into the airlines that provide service to Hamilton. 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 Hamilton. Reviews last updated February 20, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Hamilton, such as Porter Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
419 reviews

Entertainment

6.9

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews

Entertainment

6.9

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Delta
7.9
Good
8,227 reviews
Porter Airlines
8.0
Very good
419 reviews

Entertainment

6.9

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
United Airlines
7.4
Good
9,335 reviews
Porter Airlines
8.0
Very good
419 reviews

Entertainment

6.9

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
American Airlines
7.2
Good
11,335 reviews
Porter Airlines
8.0
Very good
419 reviews

Entertainment

6.9

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,734 reviews
Porter Airlines
8.0
Very good
419 reviews

Entertainment

6.9

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Related info for your journey

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

    Airlines like United Airlines, American Airlines, and Delta fly from Washington, D.C. to Hamilton in about 1h 40m. The time it takes to get you to your destination can typically vary by up to 3h 49m. The distance from Washington, D.C. to Hamilton is about 346 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Hamilton one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Hamilton are Air Canada ($88), American Airlines ($106), and United Airlines ($106).

  • What are the most popular routes from Washington, D.C. to Hamilton?

    The most popular route from Washington, D.C. to Hamilton is Washington, D.C. Dulles Intl - Toronto Pearson Intl. You may also consider Washington, D.C. Reagan-National - Toronto Pearson Intl or Baltimore/Washington - Toronto Pearson Intl.

  • What are the most reliable airlines from Washington, D.C. to Hamilton?

    The top 3 most reliable airlines when flying from Washington, D.C. to Hamilton are Avianca (71%), Copa Airlines (71%) and Republic Airways (71%).

  • What are the cheapest flights from Washington, D.C. to Hamilton?

    On average you can expect to pay $1,217 for a flight from Washington, D.C. to Hamilton. The cheapest flight overall is $108 while the most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl) is currently priced at $257.

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

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

  • How can I find direct flights from Washington, D.C. to Hamilton?

    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 Hamilton.

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Hamilton 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 Hamilton?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Hamilton (average of $105). Flying from Washington, D.C. to Hamilton 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Washington, D.C. to Hamilton

Discover the top 7 airlines that operate flights from Washington, D.C. to Hamilton. 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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$320FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$108Average$322FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$161Average$330FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$176Average$245FlexibilityNo cancel feeOn-time50%
DeltaCheapest$240Average$326FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$262Average$378FlexibilityNo cancel feeOn-time71%
WestJetCheapest$349Average$504FlexibilityNo cancel feeOn-time60%

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