$286+ Cheap flights from Washington, D.C. (WAS) 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YHM
ene. 3 — ene. 101
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to Hamilton
Cheapest flights from Washington, D.C. to HamiltonExplore the most affordable flight options available from Washington, D.C. to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.
Explore the most affordable flight options available from Washington, D.C. to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.
This Mytrip deal was found by Cheapflights users on 12/2. 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.
lun. 12/295:40 pmIAD - YHM
3 stops20h 40mMultiple Airlines
jue. 1/17:25 amYHM - IAD
3 stops27h 58mMultiple Airlines
Deal found 12/2![Multiple Airlines logo]()
$619
Find flight deals from Washington, D.C. to Hamilton
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 diciembre 4, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $619 (Mytrip) |
One-way from | $286 (Mytrip) |
Popular in | November |
Cheapest in | June |
Average price | $306 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 diciembre 4, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Hamilton that are best for you.
Fly from
Washington, D.C.
Fly to
Hamilton
Route
Depart
Return
Price
Washington, D.C.Hamilton
IAD - YHM
IADYHM
Washington, D.C. Dulles Intl
lun. 12/29
5:40 pm-2:20 pm
3 stops20h 40m
Hamilton
jue. 1/1
7:25 am-11:23 am
3 stops27h 58m
$619
Washington, D.C.Hamilton
IAD - YHM
IADYHM
Washington, D.C. Dulles Intl
lun. 12/29
5:40 pm-2:20 pm
3 stops20h 40m
$286
Washington, D.C.Hamilton
IAD - YHM
IADYHM
Washington, D.C. Dulles Intl
dom. 12/14
9:45 am-8:59 pm
2 stops11h 14m
$341
Compare providers for flights from Washington, D.C. to Hamilton
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Hamilton in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C.-Hamilton, Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Hamilton, Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Hamilton, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-Hamilton, Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Hamilton, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to Hamilton
Have a flexible travel schedule? Discover the best time to fly to Hamilton from Washington, D.C. 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. to Hamilton
What is the cheapest month to book a flight from Washington, D.C. to Hamilton, Ontario?
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Hamilton, Ontario (average of $91). Flying from Washington, D.C. to Hamilton, Ontario in August is currently the most expensive (average of $171). 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.