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Cheap flights from Hamilton, ON to Washington from C$ 216

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SEA
3 Mar — 10 Mar1
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 1 February 2026.

Sat 16/56:10 p.m.
YHM
-
SEA
1 stop27h 35m
WestJet
Sun 24/57:35 p.m.
SEA
-
YHM
1 stop18h 40m
WestJet
Deal found 29/1C$ 376
Wed 18/26:10 p.m.
YHM
-
SEA
1 stop23h 09m
WestJet
Tue 24/33:10 p.m.
SEA
-
YHM
1 stop23h 06m
WestJet
Deal found 29/1C$ 387
Sat 16/56:10 p.m.
YHM
-
SEA
1 stop27h 35m
WestJet
Mon 25/57:35 p.m.
SEA
-
YHM
1 stop18h 40m
WestJet
Deal found 30/1C$ 391
Mon 27/46:10 p.m.
YHM
-
SEA
1 stop18h 30m
WestJet
Mon 4/57:35 p.m.
SEA
-
YHM
1 stop18h 40m
WestJet
Deal found 31/1C$ 393
Sat 13/66:10 p.m.
YHM
-
SEA
1 stop27h 35m
WestJet
Sat 20/67:00 a.m.
SEA
-
YHM
1 stop7h 15m
WestJet
Deal found 30/1C$ 406
Sun 3/56:10 p.m.
YHM
-
PDX
1 stop22h 40m
WestJet
Sun 10/52:30 p.m.
PDX
-
YHM
1 stop23h 45m
WestJet
Deal found 30/1C$ 425
Thu 28/56:10 p.m.
YHM
-
PDX
1 stop22h 40m
WestJet
Sun 7/62:30 p.m.
PDX
-
YHM
1 stop23h 45m
WestJet
Deal found 31/1C$ 523
Wed 11/36:10 p.m.
YHM
-
SEA
1 stop23h 09m
WestJet
Sun 15/33:10 p.m.
SEA
-
YHM
1 stop23h 06m
WestJet
Deal found 30/1C$ 545
Tue 31/35:50 a.m.
YHM
-
SEA
1 stop11h 29m
Multiple Airlines
Tue 7/48:41 a.m.
SEA
-
YHM
1 stop7h 19m
Multiple Airlines
Deal found 31/1C$ 547
Sun 1/36:10 p.m.
YHM
-
SEA
1 stop23h 09m
WestJet
Sun 8/33:10 p.m.
SEA
-
YHM
1 stop23h 06m
WestJet
Deal found 31/1C$ 549
Thu 26/26:10 p.m.
YHM
-
SEA
1 stop23h 09m
WestJet
Sun 1/33:10 p.m.
SEA
-
YHM
1 stop23h 06m
WestJet
Deal found 30/1C$ 560
Wed 17/66:10 p.m.
YHM
-
PDX
1 stop22h 40m
WestJet
Thu 25/62:00 p.m.
PDX
-
YHM
1 stop24h 10m
WestJet
Deal found 30/1C$ 731

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 1 February 2026.

Round-trip from

C$ 376

One-way from

C$ 216

Popular in

June

Cheapest in

February

Average price

C$ 355
WestJet
  • WestJet
  • 16/5-24/5
  • 2 total stops
  • 46h 15m total
  • Hamilton to Washington
Search Deals
WestJet
  • WestJet
  • 16/5
  • 1 total stop
  • 27h 35m total
  • Hamilton to Washington
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 1 February 2026.
Use the filters below to find and compare flights from Hamilton to Washington that are best for you.

Fly from

Hamilton

Fly to

Washington

Route

Depart

Return

Price

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sun 29/3

6:10 p.m.-2:19 p.m.

1 stop23h 09m

Seattle/Tacoma Intl

Wed 1/4

3:10 p.m.-5:16 p.m.

1 stop23h 06m

C$ 387

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sat 16/5

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

1 stop27h 35m

Seattle/Tacoma Intl

Mon 25/5

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

1 stop18h 40m

C$ 391

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Fri 8/5

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

1 stop27h 35m

Seattle/Tacoma Intl

Sat 16/5

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

1 stop18h 40m

C$ 393

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Mon 27/4

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

1 stop18h 30m

Seattle/Tacoma Intl

Mon 4/5

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

1 stop18h 40m

C$ 393

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sat 16/5

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

1 stop18h 30m

Seattle/Tacoma Intl

Sun 24/5

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

1 stop18h 40m

C$ 400

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sat 13/6

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

1 stop27h 35m

Seattle/Tacoma Intl

Sat 20/6

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

1 stop7h 15m

C$ 406

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Sun 3/5

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

1 stop22h 40m

Portland

Sun 10/5

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

1 stop23h 45m

C$ 425

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Thu 28/5

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

1 stop22h 40m

Portland

Sun 7/6

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

1 stop23h 45m

C$ 523

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Tue 31/3

5:50 a.m.-2:19 p.m.

1 stop11h 29m

Seattle/Tacoma Intl

Tue 7/4

8:41 a.m.-7:00 p.m.

1 stop7h 19m

C$ 547

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sun 1/3

6:10 p.m.-10:25 a.m.

3 stops19h 15m

Seattle/Tacoma Intl

Sun 8/3

3:10 p.m.-5:16 p.m.

1 stop23h 06m

C$ 558

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Showing 1-10 of 39 results
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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

What is the cheapest month to book a flight from Hamilton, Ontario to State of Washington?

Currently, December is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of C$ 178). Flying from Hamilton, Ontario to State of Washington in August is currently the most expensive (average of C$ 304). 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.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 1 February 2026.
Check out reviews from past customers who have flown with WestJet from Hamilton to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,254 reviews
Check prices

Comfort

7.0

Food

6.2

Boarding

7.4

Entertainment

6.1

Crew

7.9

Overall

7.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
3,254 reviews
WestJet
7.2
Good
3,254 reviews
Check prices

Comfort

7.0

Food

6.2

Boarding

7.4

Entertainment

6.1

Crew

7.9

Overall

7.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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 23h 09m. 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.

  • What is the cheapest month to book a flight from Hamilton, Ontario to State of Washington?

    Currently, December is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of C$ 178). Flying from Hamilton, Ontario to State of Washington in August is currently the most expensive (average of C$ 304). 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

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Alternative routes for Hamilton to Washington

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Top airline flying from Hamilton to Washington

Discover the top airline that operate flights from Hamilton to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 211AverageC$ 387FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Hamilton to Washington via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Hamilton to Washington for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Hamilton to Washington with no change fees?

Need flexible booking options for your flight to Washington from Hamilton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Hamilton to Washington become cheaper?

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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