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Cheap flights from Washington, D.C. Dulles Intl Airport to Hamilton, ON from C$ 226

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YHM
3 Aug — 10 Aug1
1 adult

Cheap flight deals from Dulles Intl to Hamilton

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hamilton (YHM). 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 29 July 2025.

Round-trip from

C$ 483

One-way from

C$ 226

Popular in

November

Cheapest in

June

Average price

C$ 392
WestJet
  • WestJet
  • 5/9-8/9
  • 2 total stops
  • 41h 45m total
  • Washington, D.C. to Hamilton
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WestJet
  • WestJet
  • 6/10
  • 1 total stop
  • 29h 55m total
  • Washington, D.C. to Hamilton
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Dulles Intl to Hamilton

Cheapest flights from Dulles Intl to Hamilton
Explore the most affordable flight options available from Dulles Intl to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Fri 5/96:45 p.m.IAD - YHM
1 stop29h 55mWestJet
Mon 8/96:00 a.m.YHM - IAD
1 stop11h 50mWestJet
Deal found 28/7C$ 483
Fri 19/96:45 p.m.IAD - YHM
2 stops29h 03mMultiple Airlines
Sun 21/92:55 p.m.YHM - IAD
2 stops26h 55mMultiple Airlines
Deal found 28/7C$ 982

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hamilton that are best for you.

Fly from

Dulles Intl

Fly to

Hamilton

Route

Depart

Return

Price

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 5/9

6:45 p.m.-12:40 a.m.

1 stop29h 55m

Hamilton

Mon 8/9

6:00 a.m.-5:50 p.m.

1 stop11h 50m

C$ 483

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 19/9

6:45 p.m.-11:48 p.m.

2 stops29h 03m

Hamilton

Sun 21/9

2:55 p.m.-5:50 p.m.

2 stops26h 55m

C$ 982

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 6/10

6:45 p.m.-12:40 a.m.

1 stop29h 55m

C$ 226

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 25/8

6:45 p.m.-4:39 p.m.

2 stops21h 54m

C$ 387

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Best time to book a flight from Dulles Intl to Hamilton

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Hamilton

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario (average of C$ 186). Flying from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of C$ 271). 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.

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 29 July 2025.
See what other customers who have flown with WestJet from Washington, D.C. Dulles Intl Airport to Hamilton have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,973 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
WestJet
7.2
Good
2,973 reviews
WestJet
7.2
Good
2,973 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hamilton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hamilton from Washington, D.C. Dulles Intl?

    Hamilton (YHM) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Hamilton. You should not have trouble finding flights to Hamilton from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Hamilton airport from Washington, D.C. Dulles Intl. It is only a 10.9 km journey from Hamilton (YHM) to Hamilton’s city centre.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario round-trip?

    Flying on WestJet is currently your cheapest option to Hamilton, Ontario, with prices starting at C$ 483.

  • Can I find deals for flights from Dulles Intl to Hamilton that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Hamilton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hamilton.

  • Can I find deals for business class flights from Dulles Intl to Hamilton?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Hamilton, Ontario?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario (average of C$ 186). Flying from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario in December is currently the most expensive (average of C$ 271). 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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Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Hamilton?

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Can Cheapflights find flights from Dulles Intl to Hamilton with no change fees?

Yes! Cheapflights helps users easily find flights from Dulles Intl to Hamilton with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Hamilton become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Hamilton from Dulles Intl today and book when prices fit your budget.

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