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$280+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YHM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$536
(Mytrip)

One-way from

$280
(Flightnetwork)

Popular in

February

Cheapest in

April

Average price

$265
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. 2% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:45 pmIAD - YHM
1 stop29h 55mWestJet
Mon 9/156:00 amYHM - IAD
1 stop11h 50mWestJet
Deal found 6/10$513
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 7/254:46 pmIAD - YHM
3 stops31h 55mMultiple Airlines
Fri 8/15:45 pmYHM - IAD
3 stops27h 13mMultiple Airlines
Deal found 6/10$536

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 June 12, 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 7/25

4:46 pm-12:41 am

3 stops31h 55m

Hamilton

Fri 8/1

5:45 pm-8:58 pm

3 stops27h 13m

$536

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Wed 7/2

6:45 pm-12:41 am

1 stop29h 56m

Hamilton

Wed 7/9

6:00 am-5:54 pm

1 stop11h 54m

$546

Washington, D.C.Hamilton

IAD - YHM

IADYHM

Washington, D.C. Dulles Intl

Mon 8/25

6:45 pm-12:41 am

1 stop29h 56m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

Rainfall in Hamilton by month

Plan your trip to Hamilton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hamilton, Ontario ranges from 2.3 - 4.0 inches per month. July is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Hamilton, Ontario when rainfall is around 2.3 in.

Temperature in Hamilton by month

Plan your trip to Hamilton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hamilton, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
WestJet
7.2
Good
2,868 reviews

Boarding

7.4

Comfort

7.1

Food

6.2

Overall

7.2

Entertainment

6.1

Crew

7.9

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
2,868 reviews
WestJet
7.2
Good
2,868 reviews

Boarding

7.4

Comfort

7.1

Food

6.2

Overall

7.2

Entertainment

6.1

Crew

7.9

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?

    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

See prices for flight routes from nearby airports that may be better suited for you.
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