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Cheap flights from Washington, D.C. Dulles Intl Airport to Hamilton, ON from C$ 215

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YHM
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Dulles Intl to Hamilton

Enter your travel dates to find the best prices.

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 October 2025.

Wed 26/116:00 a.m.IAD - YHM
3 stops35h 17mWestJet
Wed 3/126:10 p.m.YHM - IAD
3 stops28h 58mWestJet
Deal found 27/10C$ 1,347
Tue 25/1112:50 p.m.IAD - YHM
3 stops33h 28mMultiple Airlines
Tue 2/127:55 p.m.YHM - IAD
2 stops22h 17mMultiple Airlines
Deal found 27/10C$ 1,636
Sun 16/119:45 a.m.IAD - YHM
2 stops33h 15mMultiple Airlines
Wed 19/116:10 p.m.YHM - IAD
2 stops26h 44mMultiple Airlines
Deal found 28/10C$ 1,983
Thu 25/126:15 p.m.IAD - YHM
3 stops29h 58mMultiple Airlines
Mon 29/127:25 a.m.YHM - IAD
2 stops25h 55mMultiple Airlines
Deal found 27/10C$ 2,911

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 October 2025.

Round-trip from

C$ 1,347

One-way from

C$ 215

Popular in

October

Cheapest in

June

Average price

C$ 446
WestJet
  • WestJet
  • 26/11-3/12
  • 6 total stops
  • 64h 15m total
  • Washington, D.C. to Hamilton
Search Deals
12/12
  • 12/12
  • 2 total stops
  • 21h 41m total
  • Washington, D.C. to Hamilton
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 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

Wed 26/11

6:00 a.m.-5:17 p.m.

3 stops35h 17m

Hamilton

Wed 3/12

6:10 p.m.-11:08 p.m.

3 stops28h 58m

C$ 1,347

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Tue 25/11

12:50 p.m.-10:18 p.m.

3 stops33h 28m

Hamilton

Tue 2/12

7:55 p.m.-6:12 p.m.

2 stops22h 17m

C$ 1,636

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Sun 16/11

9:45 a.m.-7:00 p.m.

2 stops33h 15m

Hamilton

Wed 19/11

6:10 p.m.-8:54 p.m.

2 stops26h 44m

C$ 1,983

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 25/12

6:15 p.m.-12:13 a.m.

3 stops29h 58m

Hamilton

Mon 29/12

7:25 a.m.-9:20 a.m.

2 stops25h 55m

C$ 2,911

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 12/12

5:19 p.m.-3:00 p.m.

2 stops21h 41m

C$ 215

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Tue 11/11

12:11 p.m.-12:44 p.m.

3 stops24h 33m

C$ 851

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Tue 4/11

6:18 a.m.-10:18 p.m.

3 stops16h 00m

C$ 868

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario (average of C$ 127). Flying from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario in August is currently the most expensive (average of C$ 239). 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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario?

    Departing from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario will take you 35h 17m. The distance between Washington, D.C. Dulles Intl Airport and Hamilton, Ontario is about 513 km.

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario (average of C$ 127). Flying from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario in August is currently the most expensive (average of C$ 239). 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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How does Cheapflights help users find flights from Dulles Intl to Hamilton?

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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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