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.

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).

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Hamilton, Ontario?

To save up to 131% on this flight, we recommend booking at least 50 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Reagan-National Airport to Hamilton, Ontario from $300 1-2 weeks out and tickets from $614 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Hamilton, Ontario?

The best pricing can be found in the month of June. Prices to Hamilton, Ontario from Washington, D.C. Reagan-National Airport average $283. You can even find prices in June for less than $283, as users have found deals to Hamilton, Ontario from as low as $132. The month of August appears to be one of the more expensive times to travel to Hamilton, Ontario from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 13%.

What is the cheapest time of day to fly from DCA to YHM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Hamilton, Ontario as you normally would.

What airport do you fly into for flights to Hamilton from Washington, D.C. Reagan-National?

Hamilton (YHM) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Hamilton. You should not have trouble finding flights to Hamilton from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National 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. Reagan-National. It is only a 6.8 mi journey from Hamilton (YHM) to Hamilton’s city center.

Can I find deals for flights from Reagan-National to Hamilton that include hotel bookings?

Yes. In addition to deals on Reagan-National to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Hamilton?

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

Can I find deals for business class flights from Reagan-National to Hamilton?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$311+ Cheap Flights from Washington, D.C. Reagan-National Airport to Hamilton, ON

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Cheap flight deals from Reagan-National to Hamilton

Round-trip from	$2,047 (Mytrip)
One-way from	$311 (eDestinos)
Popular in	August
Cheapest in	June
Average price	$321

From Washington, D.C. Reagan-National to Hamilton

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One-way flight from Washington, D.C. Reagan-National to Hamilton

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Highest demand for flights based on searches. 2% potential increase in price ($8 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 August 2025

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Find flight deals from Reagan-National to Hamilton

Cheapest flights from Reagan-National to Hamilton
Explore the most affordable flight options available from Reagan-National to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Fri 8/225:50 pmDCA - YHM

3 stops30h 51mMultiple Airlines

Sun 8/247:05 amYHM - DCA

3 stops26h 42mMultiple Airlines

Deal found 8/11

$1,922

Fri 8/295:50 pmDCA - YHM

3 stops30h 51mWestJet

Sun 8/316:00 amYHM - DCA

3 stops30h 39mWestJet

Deal found 8/11

$2,047

Sat 8/166:10 amDCA - YHM

2 stops18h 31mWestJet

Thu 8/216:00 amYHM - DCA

2 stops14h 47mWestJet

Deal found 8/12

$2,573

Best flights from Reagan-National to Hamilton
Discover carefully curated flight deals from Reagan-National to Hamilton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Fri 8/225:50 pmDCA - YHM

3 stops30h 51mMultiple Airlines

Sun 8/247:05 amYHM - DCA

3 stops26h 42mMultiple Airlines

Deal found 8/11

$1,922

Fri 8/295:50 pmDCA - YHM

3 stops30h 51mWestJet

Sun 8/316:00 amYHM - DCA

3 stops30h 39mWestJet

Deal found 8/11

$2,047

Last-minute flights from Reagan-National to Hamilton
Discover last-minute flight deals from Reagan-National to Hamilton. Data last updated August 14, 2025 and is based on user searches.

Sat 8/166:10 amDCA - YHM

2 stops18h 31mWestJet

Thu 8/216:00 amYHM - DCA

2 stops14h 47mWestJet

Deal found 8/12

$2,573

Fri 8/225:50 pmDCA - YHM

3 stops30h 51mMultiple Airlines

Sun 8/247:05 amYHM - DCA

3 stops26h 42mMultiple Airlines

Deal found 8/11

$1,922

Fri 8/295:50 pmDCA - YHM

3 stops30h 51mWestJet

Sun 8/316:00 amYHM - DCA

3 stops30h 39mWestJet

Deal found 8/11

$2,047

One-way flights from Reagan-National to Hamilton
Search for one-way flight options from Reagan-National to Hamilton. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sat 8/307:00 amDCA - YHM

2 stops17h 41mMultiple Airlines

Deal found 8/14

$311

Wed 8/207:00 amDCA - YHM

2 stops17h 41mMultiple Airlines

Deal found 8/14

$813

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Hamilton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hamilton

DCA - YHM

DCAYHM

Washington, D.C. Reagan-National

Fri 8/22

5:50 pm-12:41 am

3 stops30h 51m

Hamilton

Sun 8/24

7:05 am-9:47 am

3 stops26h 42m

$1,922

Washington, D.C.Hamilton

DCA - YHM

DCAYHM

Washington, D.C. Reagan-National

Fri 8/29

5:50 pm-12:41 am

3 stops30h 51m

Hamilton

Sun 8/31

6:00 am-12:39 pm

3 stops30h 39m

$2,047

Washington, D.C.Hamilton

DCA - YHM

DCAYHM

Washington, D.C. Reagan-National

Sat 8/30

7:00 am-12:41 am

2 stops17h 41m

$311

Washington, D.C.Hamilton

DCA - YHM

DCAYHM

Washington, D.C. Reagan-National

Wed 8/20

7:00 am-12:41 am

2 stops17h 41m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Reagan-National to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from Reagan-National 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

What airport do you fly into for flights to Hamilton from Washington, D.C. Reagan-National?
Hamilton (YHM) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Hamilton. You should not have trouble finding flights to Hamilton from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National 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. Reagan-National. It is only a 6.8 mi journey from Hamilton (YHM) to Hamilton’s city center.
Can I find deals for flights from Reagan-National to Hamilton that include hotel bookings?
Yes. In addition to deals on Reagan-National to Hamilton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Hamilton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Hamilton.
Can I find deals for business class flights from Reagan-National to Hamilton?
Yes. Cheapflights offers flight deals from Reagan-National 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.

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$311+ Cheap flights from Reagan-National (DCA) 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Hamilton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Hamilton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Hamilton

Cheapest flights from Reagan-National to HamiltonExplore the most affordable flight options available from Reagan-National to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Reagan-National to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Hamilton that are best for you.

Best time to book a flight from Reagan-National to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from Reagan-National with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

Can I find deals for flights from Reagan-National to Hamilton that include hotel bookings?

How can I find direct flights from Reagan-National to Hamilton?

Can I find deals for business class flights from Reagan-National to Hamilton?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Hamilton

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Cheapest flights from Reagan-National to Hamilton
Explore the most affordable flight options available from Reagan-National to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.