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Cheap flights from Hamilton, ON to Washington from C$ 260

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SEA
24 Jul — 31 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hamilton to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Hamilton to Washington
Explore the most affordable flight options available from Hamilton to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 June 2026.

Tue 14/76:10 p.m.
YHM
-
PDX
1 stop22h 40m
WestJet
Tue 21/72:30 p.m.
PDX
-
YHM
1 stop23h 45m
WestJet
Deal found 21/6C$ 451
Fri 4/96:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Sun 6/97:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 19/6C$ 498
Mon 27/76:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Sat 5/97:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 20/6C$ 506
Mon 24/86:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Sat 5/97:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 22/6C$ 508
Wed 2/96:10 p.m.
YHM
-
SEA
1 stop29h 50m
WestJet
Tue 8/97:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 22/6C$ 509
Sat 15/86:15 p.m.
YHM
-
SEA
1 stop18h 25m
WestJet
Mon 24/87:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 21/6C$ 518
Tue 7/76:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Tue 21/77:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 22/6C$ 519
Tue 18/86:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Sun 30/87:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 21/6C$ 521
Tue 14/76:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Wed 22/77:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 20/6C$ 522
Wed 22/76:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Sun 26/77:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 21/6C$ 526
Tue 18/86:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Sat 29/87:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 22/6C$ 529
Tue 7/76:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Sat 18/77:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 22/6C$ 531

Find flight deals from Hamilton to Washington

Keep the following information in mind while searching for Hamilton to Washington flight deals. Data was last updated 24 June 2026.

Round-trip from

C$ 451

One-way from

C$ 260

Popular in

June

Cheapest in

February

Average price

C$ 711
WestJet
  • WestJet
  • 14/7-21/7
  • 2 total stops
  • 46h 25m total
  • Hamilton to Washington
Search Deals
WestJet
  • WestJet
  • 11/8
  • 1 total stop
  • 22h 40m total
  • Hamilton to Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to Washington 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 24 June 2026.
Use the filters below to find and compare flights from Hamilton to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 2/9

6:10 p.m.-9:00 p.m.

1 stop29h 50m

Seattle/Tacoma Intl

Tue 8/9

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

1 stop7h 15m

C$ 509
Quickest round-trip

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Tue 7/7

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

1 stop18h 30m

Seattle/Tacoma Intl

Sat 18/7

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

1 stop7h 15m

C$ 531

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 9/7

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

1 stop18h 30m

Seattle/Tacoma Intl

Sun 19/7

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

1 stop7h 15m

C$ 531

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 15/10

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

1 stop18h 30m

Seattle/Tacoma Intl

Thu 22/10

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

1 stop18h 40m

C$ 541

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 3/9

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

1 stop27h 35m

Seattle/Tacoma Intl

Sun 6/9

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

1 stop7h 15m

C$ 563

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Tue 22/9

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

1 stop18h 30m

Seattle/Tacoma Intl

Mon 28/9

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

1 stop18h 40m

C$ 602

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 19/8

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

1 stop18h 30m

Seattle/Tacoma Intl

Sun 30/8

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

1 stop7h 15m

C$ 606

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sat 25/7

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

1 stop18h 30m

Seattle/Tacoma Intl

Thu 30/7

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

1 stop18h 40m

C$ 621

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Tue 21/7

6:10 p.m.-1:50 p.m.

1 stop22h 40m

Portland

Tue 28/7

2:30 p.m.-5:15 p.m.

1 stop23h 45m

C$ 629

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Fri 10/7

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

1 stop18h 30m

Seattle/Tacoma Intl

Thu 10/9

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

1 stop18h 40m

C$ 631

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Hamilton to Washington

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

    For a flight from Hamilton to Washington, you will be flying from Hamilton. Hamilton (YHM) is just 10.9 km from the centre of the city.

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

    There are many flights that can get you from Hamilton, Ontario to State of Washington in 29h 50m. Fly via WestJet to get the fastest option. The distance from Hamilton, Ontario to State of Washington is about 3304 km.

  • What are the most popular routes from Hamilton, Ontario to State of Washington?

    When deciding which route to take from Hamilton, Ontario to State of Washington consider Hamilton - Seattle/Tacoma Intl, Hamilton - Portland or Hamilton - Bellingham as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to Washington 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 Hamilton to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Yes, Cheapflights offers price alerts on Hamilton to Washington 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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