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Cheap flights from Washington to Hamilton, ON from C$ 191

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHM
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Hamilton

Enter your travel dates to find the best prices.

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

Sat 5/97:00 a.m. -
1 stop7h 15m
Thu 10/96:10 p.m. -
1 stop27h 35m
Deal found 17/8C$ 436
Sat 5/97:00 a.m. -
1 stop7h 15m
Sun 20/96:10 p.m. -
1 stop18h 30m
Deal found 16/8C$ 461
Sun 6/97:00 a.m. -
1 stop7h 15m
Mon 21/96:10 p.m. -
1 stop27h 35m
Deal found 15/8C$ 486
Thu 24/910:30 a.m. -
1 stop27h 45m
Mon 28/96:10 p.m. -
1 stop18h 30m
Deal found 13/8C$ 513
Sat 19/97:35 p.m. -
1 stop18h 40m
Fri 25/96:10 p.m. -
1 stop18h 30m
Deal found 14/8C$ 519
Tue 8/97:00 a.m. -
1 stop7h 15m
Tue 22/96:10 p.m. -
1 stop27h 35m
Deal found 16/8C$ 524
Sat 5/97:35 p.m. -
1 stop18h 40m
Mon 7/96:10 p.m. -
1 stop18h 30m
Deal found 14/8C$ 526
Sat 5/97:35 p.m. -
1 stop18h 40m
Tue 8/96:10 p.m. -
1 stop27h 35m
Deal found 13/8C$ 527
Sat 19/97:35 p.m. -
1 stop18h 40m
Fri 25/97:00 a.m. -
2 stops14h 45m
Deal found 14/8C$ 530
Fri 4/97:35 p.m. -
1 stop18h 40m
Sun 20/96:10 p.m. -
1 stop18h 30m
Deal found 15/8C$ 533
Wed 16/97:35 p.m. -
1 stop18h 40m
Fri 18/96:10 p.m. -
1 stop18h 30m
Deal found 15/8C$ 544
Wed 30/93:59 p.m. -
2 stops22h 16m
Mon 5/106:10 p.m. -
2 stops30h 00m
Deal found 16/8C$ 1,271

Find flight deals from Washington to Hamilton

Keep the following information in mind while searching for Washington to Hamilton flight deals. Data was last updated 17 August 2026.

Round-trip from

C$ 436

One-way from

C$ 191

Popular in

July

Cheapest in

January

Average price

C$ 764
WestJet
  • WestJet
  • 5/9-10/9
  • 2 total stops
  • 34h 50m total
  • Washington to Hamilton
Search Deals
WestJet
  • WestJet
  • 5/9
  • 1 total stop
  • 7h 15m total
  • Washington to Hamilton
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (C$ 303 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 46 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 Washington 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 629,999 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from Washington to Hamilton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sun 6/9

7:00 a.m.-5:15 p.m.

1 stop7h 15m

Hamilton

Mon 21/9

6:10 p.m.-6:45 p.m.

1 stop27h 35m

C$ 486

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 16/9

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Hamilton

Mon 21/9

6:10 p.m.-6:45 p.m.

1 stop27h 35m

C$ 544

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Fri 28/8

7:00 a.m.-5:15 p.m.

1 stop7h 15m

Hamilton

Fri 4/9

6:10 p.m.-9:40 a.m.

1 stop18h 30m

C$ 585

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Fri 18/9

10:30 a.m.-10:09 p.m.

2 stops8h 39m

Hamilton

Sun 20/9

6:05 a.m.-9:40 a.m.

3 stops30h 35m

C$ 603

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sun 18/10

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Hamilton

Tue 20/10

6:10 p.m.-9:40 a.m.

1 stop18h 30m

C$ 653

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sat 10/10

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Hamilton

Thu 15/10

6:10 p.m.-9:40 a.m.

1 stop18h 30m

C$ 653

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Fri 28/8

7:00 a.m.-5:15 p.m.

1 stop7h 15m

Hamilton

Fri 18/9

6:10 p.m.-9:40 a.m.

1 stop18h 30m

C$ 656

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Thu 15/10

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Hamilton

Sun 18/10

6:10 p.m.-9:40 a.m.

1 stop18h 30m

C$ 662

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Fri 18/9

7:35 p.m.-10:25 p.m.

3 stops23h 50m

Hamilton

Sun 27/9

5:45 p.m.-9:40 a.m.

2 stops18h 55m

C$ 667

SpokaneHamilton

GEG Spokane - YHM Hamilton

GEGYHM

Spokane

Wed 30/9

3:59 p.m.-5:15 p.m.

2 stops22h 16m

Hamilton

Mon 5/10

6:10 p.m.-9:10 p.m.

2 stops30h 00m

C$ 1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/8

Showing 1-10 of 30 resultsSorted by cheapest first
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Best time to book a flight from Washington to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from Washington 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 to Hamilton

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Hamilton (YHM) is the airport you will fly into if you book a flight from Washington to Hamilton. It is only a 10.9 km journey from Hamilton (YHM) to Hamilton’s city centre.

  • How long is the flight from State of Washington to Hamilton, Ontario?

    WestJet can get you from State of Washington to Hamilton, Ontario in just under 7h 15m. Your travel time can differ by up to . There are 3304 km between State of Washington and Hamilton, Ontario.

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

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

  • How can I find direct flights from Washington to Hamilton?

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

  • Can I find deals for business class flights from Washington to Hamilton?

    Yes. Cheapflights offers flight deals from Washington 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 Washington to Hamilton

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Toronto Island flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Boston to Pierre Elliott Trudeau Intl flights
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Baltimore to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Seattle to Pearson Intl flights
Philadelphia to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Raleigh to Pearson Intl flights
Minneapolis to Pearson Intl flights
Midway to Toronto Island flights
Midway to Pearson Intl flights
Denver to Pearson Intl flights
Charlotte to Pearson Intl flights
Tampa to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Reagan-National to Toronto Island flights
Miami to Pierre Elliott Trudeau Intl flights
Baltimore to Toronto Island flights

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How does Cheapflights help users find flights from Washington to Hamilton?

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Why should you use Cheapflights to find cheap flight tickets from Washington to Hamilton?

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Yes! Cheapflights helps users easily find flights from Washington to Hamilton with no change fees.

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Yes, Cheapflights offers price alerts on Washington to Hamilton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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