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Cheap flights from Hamilton, ON to Washington, D.C. Reagan-National Airport from C$ 743

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — DCA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Hamilton to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to Reagan-National (DCA). 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 11 September 2025.

Round-trip from

C$ 2,436

One-way from

C$ 743

Popular in

June

Cheapest in

April

Average price

C$ 327
WestJet
  • WestJet
  • 25/10-1/11
  • 5 total stops
  • 40h 59m total
  • Hamilton to Washington, D.C.
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5/10
  • 5/10
  • 3 total stops
  • 28h 22m total
  • Hamilton to Washington, D.C.
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Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 11 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 Hamilton to Reagan-National

Cheapest flights from Hamilton to Reagan-National
Explore the most affordable flight options available from Hamilton to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 25/106:00 a.m.YHM - DCA
2 stops17h 25mWestJet
Sat 1/116:43 p.m.DCA - YHM
3 stops23h 34mWestJet
Deal found 10/9C$ 2,436

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to Reagan-National 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 11 September 2025.
Use the filters below to find and compare flights from Hamilton to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Hamilton

Fly to

Reagan-National

Route

Depart

Return

Price

HamiltonWashington, D.C.

YHM - DCA

YHMDCA

Hamilton

Sat 25/10

6:00 a.m.-11:25 p.m.

2 stops17h 25m

Washington, D.C. Reagan-National

Sat 1/11

6:43 p.m.-6:17 p.m.

3 stops23h 34m

C$ 2,436

HamiltonWashington, D.C.

YHM - DCA

YHMDCA

Hamilton

Sun 5/10

5:45 p.m.-10:07 p.m.

3 stops28h 22m

C$ 743

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

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

Currently, March is the cheapest month in which you can book a flight from Hamilton, Ontario to Washington, D.C. Reagan-National Airport (average of C$ 263). Flying from Hamilton, Ontario to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of C$ 332). 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.

Related info for your journey

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

    Hamilton (YHM) is the airport you will fly out of if you book a flight from Hamilton to Washington, D.C. Reagan-National. You should not have trouble finding flights to Washington, D.C. Reagan-National from Hamilton; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Hamilton airport to Washington, D.C. Reagan-National. It is only a 10.9 km journey to Hamilton (YHM) from Hamilton’s city centre.

  • How long is the flight from Hamilton, Ontario to Washington, D.C. Reagan-National Airport?

    There are many flights that can get you from Hamilton, Ontario to Washington, D.C. Reagan-National Airport in 17h 25m. Fly via WestJet to get the fastest option. Hamilton, Ontario and Washington, D.C. Reagan-National Airport are separated by a distance of 538 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hamilton, Ontario to Washington, D.C. Reagan-National Airport?

    Currently, March is the cheapest month in which you can book a flight from Hamilton, Ontario to Washington, D.C. Reagan-National Airport (average of C$ 263). Flying from Hamilton, Ontario to Washington, D.C. Reagan-National Airport in August is currently the most expensive (average of C$ 332). 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.

See more FAQs

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Herndon
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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