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Cheap flights from Hamilton, ON to Washington, D.C. from C$ 311

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — WAS
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hamilton to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Hamilton to Washington, D.C.
Explore the most affordable flight options available from Hamilton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2026.

Thu 1/1011:45 a.m. -
2 stops10h 05m
Thu 8/106:00 a.m. -
2 stops9h 05m
Deal found 17/8C$ 784
Thu 17/911:45 a.m. -
2 stops10h 05m
Sun 20/96:00 a.m. -
2 stops9h 05m
Deal found 13/8C$ 848
Thu 3/96:35 p.m. -
2 stops15h 43m
Sun 6/96:00 a.m. -
2 stops9h 05m
Deal found 17/8C$ 942
Fri 2/108:35 a.m. -
2 stops13h 15m
Sun 4/109:40 a.m. -
2 stops9h 59m
Deal found 13/8C$ 1,000
Thu 27/86:35 p.m. -
2 stops15h 43m
Sun 30/86:00 a.m. -
2 stops9h 08m
Deal found 13/8C$ 1,124
Sun 27/98:35 a.m. -
2 stops13h 15m
Sun 4/109:40 a.m. -
2 stops9h 59m
Deal found 13/8C$ 1,139
Fri 28/86:35 p.m. -
2 stops15h 43m
Mon 31/86:00 a.m. -
2 stops9h 08m
Deal found 14/8C$ 1,149
Sat 26/96:05 a.m. -
3 stops30h 09m
Sat 3/1012:40 p.m. -
3 stops28h 55m
Deal found 12/8C$ 1,165

Find flight deals from Hamilton to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to Washington, D.C. (WAS). 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 17 August 2026.

Round-trip from

C$ 848

One-way from

C$ 311

Popular in

March

Cheapest in

October

Average price

C$ 379
17/9-20/9
  • 17/9-20/9
  • 4 total stops
  • 19h 10m total
  • Hamilton to Washington, D.C.
Search Deals
12/9
  • 12/9
  • 3 total stops
  • 27h 56m total
  • Hamilton to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to Washington, D.C. 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 17 August 2026.
Use the filters below to find and compare flights from Hamilton to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Thu 17/9

11:45 a.m.-9:50 p.m.

2 stops10h 05m

Washington, D.C. Reagan-National

Sun 20/9

6:00 a.m.-3:05 p.m.

2 stops9h 05m

C$ 848

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Thu 3/9

6:35 p.m.-10:18 a.m.

2 stops15h 43m

Washington, D.C. Reagan-National

Sun 6/9

6:00 a.m.-3:05 p.m.

2 stops9h 05m

C$ 942

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Tue 1/9

6:35 p.m.-10:18 a.m.

2 stops15h 43m

Washington, D.C. Reagan-National

Tue 8/9

6:00 a.m.-3:05 p.m.

2 stops9h 05m

C$ 957

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Thu 27/8

6:35 p.m.-10:18 a.m.

2 stops15h 43m

Washington, D.C. Reagan-National

Mon 31/8

6:00 a.m.-3:08 p.m.

2 stops9h 08m

C$ 1,115

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Sun 27/9

8:35 a.m.-9:50 p.m.

2 stops13h 15m

Washington, D.C. Reagan-National

Sun 4/10

9:40 a.m.-7:39 p.m.

2 stops9h 59m

C$ 1,139

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Fri 28/8

6:35 p.m.-10:18 a.m.

2 stops15h 43m

Washington, D.C. Reagan-National

Mon 31/8

6:00 a.m.-3:08 p.m.

2 stops9h 08m

C$ 1,149
Cheapest one-way
Quickest one-way

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Sat 12/9

8:15 a.m.-9:07 p.m.

1 stop12h 52m

C$ 361

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Fri 25/9

6:55 p.m.-10:20 a.m.

2 stops15h 25m

C$ 418

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Sun 13/9

6:10 p.m.-4:59 p.m.

3 stops46h 49m

C$ 434

HamiltonWashington, D.C.

YHM Hamilton - DCA Washington, D.C. Reagan-National

YHMDCA

Hamilton

Tue 10/11

4:05 p.m.-10:29 a.m.

3 stops18h 24m

C$ 509

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Hamilton to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Hamilton 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 Hamilton to Washington, D.C.

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Related info for your journey

Find useful and relevant information for your journey from Hamilton to Washington, D.C.. 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 from for flights from Hamilton to Washington, D.C.?

    Located just 10.9 km from the city centre, Hamilton is the airport most travellers will use when flying to Washington, D.C. from Hamilton. Booking flights from Hamilton (YHM) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 0 different airlines.

  • Can I find deals for flights from Hamilton to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Hamilton to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hamilton to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hamilton to Washington, D.C..

  • Can I find deals for business class flights from Hamilton to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Hamilton to Washington, D.C. 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

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Alexandria
Hanover
Oxon Hill
Gaithersburg
Reston
Herndon
Ellicott City
Arlington
Fredericksburg
Rockville

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How does Cheapflights help users find flights from Hamilton to Washington, D.C.?

Deals for Hamilton to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Hamilton to Washington, D.C.?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hamilton to Washington, D.C..

Can Cheapflights find flights from Hamilton to Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hamilton to Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Hamilton to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Hamilton today and book when prices fit your budget.

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