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$130+ Cheap flights from Dulles Intl (IAD) to Hamilton, ON (YHM)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YHM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$1,035
(Mytrip)

One-way from

$130
(oojo)

Popular in

August

Cheapest in

June

Average price

$278
From Washington, D.C. Dulles Intl to Hamilton
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One-way flight from Washington, D.C. Dulles Intl to Hamilton
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/8. 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.
Wed 10/159:50 pmIAD - YHM
3 stops26h 50mMultiple Airlines
Fri 10/176:00 amYHM - IAD
3 stops35h 20mMultiple Airlines
Deal found 9/8$688
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Fri 10/106:45 pmIAD - YHM
2 stops29h 03mMultiple Airlines
Sun 10/122:55 pmYHM - IAD
2 stops26h 55mMultiple Airlines
Deal found 9/9$907
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/26:00 amIAD - YHM
2 stops17h 59mMultiple Airlines
Sun 10/55:45 pmYHM - IAD
2 stops24h 05mMultiple Airlines
Deal found 9/10$1,035
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Mon 9/156:45 pmIAD - YHM
2 stops29h 14mMultiple Airlines
Wed 9/177:05 amYHM - IAD
2 stops16h 01mMultiple Airlines
Deal found 9/9$1,090
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/46:00 amIAD - YHM
2 stops17h 59mMultiple Airlines
Mon 10/137:05 amYHM - IAD
2 stops15h 55mMultiple Airlines
Deal found 9/10$1,106
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/108:53 amIAD - YHM
2 stops14h 55mMultiple Airlines
Mon 10/136:00 amYHM - IAD
1 stop11h 50mMultiple Airlines
Deal found 9/10$1,111
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 9/276:00 amIAD - YHM
2 stops17h 59mMultiple Airlines
Mon 9/297:05 amYHM - IAD
2 stops16h 01mMultiple Airlines
Deal found 9/10$1,174
This Mytrip deal was found by Cheapflights users on 9/10. 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 9/186:00 amIAD - YHM
2 stops17h 59mMultiple Airlines
Mon 9/227:05 amYHM - IAD
2 stops16h 01mMultiple Airlines
Deal found 9/10$1,210
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Wed 9/171:00 pmIAD - YHM
3 stops35h 40mWestJet
Wed 9/246:00 amYHM - IAD
3 stops17h 06mWestJet
Deal found 9/10$1,290

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 2,558,603 searches. Data last updated September 11, 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 10/15

9:50 pm-12:40 am

3 stops26h 50m

Hamilton

Fri 10/17

6:00 am-5:20 pm

3 stops35h 20m

$688

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 10/10

6:45 pm-11:48 pm

2 stops29h 03m

Hamilton

Sun 10/12

2:55 pm-5:50 pm

2 stops26h 55m

$907

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 10/2

6:00 am-11:59 pm

2 stops17h 59m

Hamilton

Sun 10/5

5:45 pm-5:50 pm

2 stops24h 05m

$1,035

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 9/15

6:45 pm-11:59 pm

2 stops29h 14m

Hamilton

Wed 9/17

7:05 am-11:06 pm

2 stops16h 01m

$1,090

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Sat 10/4

6:00 am-11:59 pm

2 stops17h 59m

Hamilton

Mon 10/13

7:05 am-11:00 pm

2 stops15h 55m

$1,106

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Fri 10/10

8:53 am-11:48 pm

2 stops14h 55m

Hamilton

Mon 10/13

6:00 am-5:50 pm

1 stop11h 50m

$1,111

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Sat 9/27

6:00 am-11:59 pm

2 stops17h 59m

Hamilton

Mon 9/29

7:05 am-11:06 pm

2 stops16h 01m

$1,174

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Thu 9/18

6:00 am-11:59 pm

2 stops17h 59m

Hamilton

Mon 9/22

7:05 am-11:06 pm

2 stops16h 01m

$1,210

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Wed 9/17

1:00 pm-12:40 am

3 stops35h 40m

Hamilton

Wed 9/24

6:00 am-11:06 pm

3 stops17h 06m

$1,290

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 9/29

6:45 pm-12:40 am

1 stop29h 55m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

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?

    Located just 6.8 mi from the city center, Hamilton is the airport most travelers will use when flying to Hamilton from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Hamilton (YHM) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

  • 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.

See more FAQs

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Alternative routes for Dulles Intl to Hamilton

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