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Cheap flights from Washington, D.C. Dulles Intl Airport to Hamilton, ON from C$ 410

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YHM
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 March 2026.

Fri 15/57:00 p.m.
IAD
-
YHM
2 stops27h 34m
Multiple Airlines
Sun 17/55:45 p.m.
YHM
-
IAD
2 stops24h 25m
Multiple Airlines
Deal found 8/3C$ 1,059
Wed 25/35:40 p.m.
IAD
-
YHM
3 stops21h 20m
Multiple Airlines
Sun 29/37:25 a.m.
YHM
-
IAD
3 stops27h 56m
Multiple Airlines
Deal found 10/3C$ 1,090
Fri 29/57:00 p.m.
IAD
-
YHM
2 stops27h 34m
Multiple Airlines
Sun 31/55:45 p.m.
YHM
-
IAD
2 stops24h 25m
Multiple Airlines
Deal found 10/3C$ 1,151
Fri 22/57:00 p.m.
IAD
-
YHM
2 stops27h 34m
Multiple Airlines
Sun 24/55:45 p.m.
YHM
-
IAD
2 stops24h 25m
Multiple Airlines
Deal found 10/3C$ 1,484
Thu 9/410:08 p.m.
IAD
-
YHM
2 stops24h 10m
Multiple Airlines
Wed 29/47:55 p.m.
YHM
-
IAD
2 stops15h 22m
Multiple Airlines
Deal found 10/3C$ 1,587
Thu 2/49:55 a.m.
IAD
-
YHM
2 stops15h 15m
Multiple Airlines
Mon 6/44:00 p.m.
YHM
-
IAD
2 stops27h 40m
Multiple Airlines
Deal found 9/3C$ 1,625
Tue 19/511:58 a.m.
IAD
-
YHM
3 stops29h 17m
Multiple Airlines
Sun 24/55:45 p.m.
YHM
-
IAD
2 stops24h 25m
Multiple Airlines
Deal found 9/3C$ 1,836
Fri 12/66:40 p.m.
IAD
-
YHM
3 stops22h 35m
Multiple Airlines
Mon 15/67:00 a.m.
YHM
-
IAD
2 stops16h 29m
Multiple Airlines
Deal found 10/3C$ 1,849
Tue 19/511:58 a.m.
IAD
-
YHM
3 stops29h 17m
WestJet
Sun 24/56:10 p.m.
YHM
-
IAD
3 stops29h 29m
WestJet
Deal found 9/3C$ 1,876

Find 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 12 March 2026.

Round-trip from

C$ 1,059

One-way from

C$ 410

Popular in

November

Cheapest in

June

Average price

C$ 424
15/5-17/5
  • 15/5-17/5
  • 4 total stops
  • 51h 59m total
  • Washington, D.C. to Hamilton
Search Deals
26/4
  • 26/4
  • 3 total stops
  • 21h 20m total
  • Washington, D.C. to Hamilton
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 29 potential increase over avg. RT price).
Search Deals
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 March 2026
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 12 March 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 15/5

7:00 p.m.-10:34 p.m.

2 stops27h 34m

Hamilton

Sun 17/5

5:45 p.m.-6:10 p.m.

2 stops24h 25m

C$ 1,059

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Wed 25/3

5:40 p.m.-3:00 p.m.

3 stops21h 20m

Hamilton

Sun 29/3

7:25 a.m.-11:21 a.m.

3 stops27h 56m

C$ 1,090

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 29/5

7:00 p.m.-10:34 p.m.

2 stops27h 34m

Hamilton

Sun 31/5

5:45 p.m.-6:10 p.m.

2 stops24h 25m

C$ 1,151

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 9/4

10:08 p.m.-10:18 p.m.

2 stops24h 10m

Hamilton

Wed 29/4

7:55 p.m.-11:17 a.m.

2 stops15h 22m

C$ 1,587

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 2/4

9:55 a.m.-1:10 a.m.

2 stops15h 15m

Hamilton

Mon 6/4

4:00 p.m.-7:40 p.m.

2 stops27h 40m

C$ 1,625

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Tue 19/5

11:58 a.m.-5:15 p.m.

3 stops29h 17m

Hamilton

Sun 24/5

5:45 p.m.-6:10 p.m.

2 stops24h 25m

C$ 1,836
Quickest round-trip

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 12/6

6:40 p.m.-5:15 p.m.

3 stops22h 35m

Hamilton

Mon 15/6

7:00 a.m.-11:29 p.m.

2 stops16h 29m

C$ 1,849

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Tue 19/5

11:58 a.m.-5:15 p.m.

3 stops29h 17m

Hamilton

Sun 24/5

6:10 p.m.-11:39 p.m.

3 stops29h 29m

C$ 1,876

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 14/5

6:00 a.m.-5:15 p.m.

3 stops35h 15m

Hamilton

Mon 18/5

6:10 p.m.-6:14 p.m.

3 stops24h 04m

C$ 2,140
Cheapest one-way
Quickest one-way

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Sun 26/4

5:40 p.m.-3:00 p.m.

3 stops21h 20m

C$ 410

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 17 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario (average of C$ 143). Flying from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario in February is currently the most expensive (average of C$ 303). 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario (average of C$ 143). Flying from Washington, D.C. Dulles Intl Airport to Hamilton, Ontario in February is currently the most expensive (average of C$ 303). 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

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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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