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Cheap flights from Washington, D.C. Dulles Intl Airport to Hamilton, ON from C$ 389

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YHM
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 1,016

One-way from

C$ 389

Popular in

August

Cheapest in

June

Average price

C$ 385
3/10-5/10
  • 3/10-5/10
  • 4 total stops
  • 46h 04m total
  • Washington, D.C. to Hamilton
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WestJet
  • WestJet
  • 29/9
  • 1 total stop
  • 29h 55m total
  • Washington, D.C. to Hamilton
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Highest demand for flights based on searches. 4% potential increase in price (C$ 25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in September 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 11 September 2025.

Fri 3/106:45 p.m.IAD - YHM
2 stops21h 59mMultiple Airlines
Sun 5/105:45 p.m.YHM - IAD
2 stops24h 05mMultiple Airlines
Deal found 11/9C$ 1,016
Thu 2/106:00 a.m.IAD - YHM
2 stops17h 59mMultiple Airlines
Sun 5/105:45 p.m.YHM - IAD
2 stops24h 05mMultiple Airlines
Deal found 10/9C$ 1,434
Sat 4/106:00 a.m.IAD - YHM
2 stops17h 59mMultiple Airlines
Mon 13/107:05 a.m.YHM - IAD
2 stops15h 55mMultiple Airlines
Deal found 10/9C$ 1,533
Fri 10/108:53 a.m.IAD - YHM
2 stops14h 55mMultiple Airlines
Mon 13/106:00 a.m.YHM - IAD
1 stop11h 50mMultiple Airlines
Deal found 10/9C$ 1,540
Thu 18/96:00 a.m.IAD - YHM
2 stops17h 59mMultiple Airlines
Mon 22/97:05 a.m.YHM - IAD
2 stops16h 01mMultiple Airlines
Deal found 11/9C$ 1,619
Sat 27/96:00 a.m.IAD - YHM
2 stops17h 59mMultiple Airlines
Mon 29/97:05 a.m.YHM - IAD
2 stops16h 01mMultiple Airlines
Deal found 10/9C$ 1,627
Wed 17/91:00 p.m.IAD - YHM
3 stops35h 40mWestJet
Wed 24/96:00 a.m.YHM - IAD
3 stops17h 06mWestJet
Deal found 10/9C$ 1,788
Thu 18/96:00 a.m.IAD - YHM
3 stops17h 48mMultiple Airlines
Sun 21/92:55 p.m.YHM - IAD
2 stops26h 55mMultiple Airlines
Deal found 11/9C$ 1,844
Thu 2/107:05 p.m.IAD - YHM
3 stops29h 35mWestJet
Mon 6/106:00 a.m.YHM - IAD
3 stops17h 40mWestJet
Deal found 10/9C$ 1,858
Tue 16/96:00 a.m.IAD - YHM
2 stops17h 59mMultiple Airlines
Thu 18/95:45 p.m.YHM - IAD
2 stops24h 05mMultiple Airlines
Deal found 11/9C$ 1,955

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 11 September 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 3/10

6:45 p.m.-4:44 p.m.

2 stops21h 59m

Hamilton

Sun 5/10

5:45 p.m.-5:50 p.m.

2 stops24h 05m

C$ 1,016

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 2/10

6:00 a.m.-11:59 p.m.

2 stops17h 59m

Hamilton

Sun 5/10

5:45 p.m.-5:50 p.m.

2 stops24h 05m

C$ 1,434

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Sat 4/10

6:00 a.m.-11:59 p.m.

2 stops17h 59m

Hamilton

Mon 13/10

7:05 a.m.-11:00 p.m.

2 stops15h 55m

C$ 1,533

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 10/10

8:53 a.m.-11:48 p.m.

2 stops14h 55m

Hamilton

Mon 13/10

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

1 stop11h 50m

C$ 1,540

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Sat 27/9

6:00 a.m.-11:59 p.m.

2 stops17h 59m

Hamilton

Mon 29/9

7:05 a.m.-11:06 p.m.

2 stops16h 01m

C$ 1,627

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 2/10

7:05 p.m.-12:40 a.m.

3 stops29h 35m

Hamilton

Mon 6/10

6:00 a.m.-11:40 p.m.

3 stops17h 40m

C$ 1,858

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Sat 4/10

6:00 a.m.-12:40 a.m.

3 stops18h 40m

Hamilton

Mon 13/10

6:00 a.m.-11:00 p.m.

3 stops17h 00m

C$ 2,041

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 29/9

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

1 stop29h 55m

C$ 389

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 22/9

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

1 stop29h 55m

C$ 439

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 19/9

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

1 stop29h 55m

C$ 714

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 16 results
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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.

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.

  • 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 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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