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$125+ Cheap flights from Hamilton, ON (YHM) to Washington

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SEA
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Hamilton to Washington

Keep the following information in mind while searching for Hamilton to Washington flight deals. Data was last updated September 14, 2025.

Round-trip from

$200
(Trip.com)

One-way from

$125
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$396
From Hamilton to Washington
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One-way flight from Hamilton to Washington
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High demand for flights, 7% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 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 Washington

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 September 14, 2025.

This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amYHM - PDX
1 stop10h 04mWestJet
Sun 10/121:45 pmPDX - YHM
1 stop7h 55mWestJet
Deal found 9/13$200
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amYHM - SEA
1 stop9h 59mWestJet
Fri 10/241:50 pmSEA - YHM
1 stop7h 50mWestJet
Deal found 9/13$204
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amYHM - SEA
1 stop9h 59mWestJet
Fri 10/241:50 pmSEA - YHM
1 stop7h 50mWestJet
Deal found 9/12$214
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amYHM - PDX
1 stop10h 05mWestJet
Sun 10/51:45 pmPDX - YHM
1 stop7h 55mWestJet
Deal found 9/13$240
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amYHM - SEA
1 stop9h 59mWestJet
Sun 10/263:10 pmSEA - YHM
1 stop23h 07mWestJet
Deal found 9/13$242
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amYHM - SEA
1 stop9h 59mWestJet
Sun 11/23:10 pmSEA - YHM
1 stop23h 07mWestJet
Deal found 9/12$249
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amYHM - SEA
1 stop16h 21mWestJet
Tue 9/307:05 amSEA - YHM
1 stop14h 35mWestJet
Deal found 9/13$266
This Trip.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:10 pmYHM - SEA
1 stop23h 10mWestJet
Wed 11/53:10 pmSEA - YHM
1 stop23h 07mWestJet
Deal found 9/12$275
This Trip.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:10 pmYHM - SEA
1 stop23h 10mWestJet
Sun 11/303:10 pmSEA - YHM
1 stop23h 07mWestJet
Deal found 9/12$278
This Flightnetwork deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:10 pmYHM - SEA
1 stop23h 10mWestJet
Wed 11/193:10 pmSEA - YHM
1 stop23h 07mWestJet
Deal found 9/12$292
This Justfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:10 pmYHM - SEA
1 stop23h 10mWestJet
Wed 11/193:10 pmSEA - YHM
1 stop23h 07mWestJet
Deal found 9/12$306
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 amYHM - PDX
1 stop10h 05mWestJet
Sun 10/51:45 pmPDX - YHM
1 stop7h 55mWestJet
Deal found 9/13$342

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 2,558,603 searches. Data last updated September 14, 2025.
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

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Sat 9/27

6:00 am-1:04 pm

1 stop10h 04m

Portland

Sun 10/12

1:45 pm-12:40 am

1 stop7h 55m

$200

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Tue 10/21

6:00 am-12:59 pm

1 stop9h 59m

Seattle/Tacoma Intl

Fri 10/24

1:50 pm-12:40 am

1 stop7h 50m

$204

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 10/23

6:00 am-12:59 pm

1 stop9h 59m

Seattle/Tacoma Intl

Fri 10/24

1:50 pm-12:40 am

1 stop7h 50m

$214

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Thu 10/2

6:00 am-1:05 pm

1 stop10h 05m

Portland

Sun 10/5

1:45 pm-12:40 am

1 stop7h 55m

$240

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 10/23

6:00 am-12:59 pm

1 stop9h 59m

Seattle/Tacoma Intl

Sun 10/26

3:10 pm-5:17 pm

1 stop23h 07m

$242

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 11/26

6:10 pm-2:20 pm

1 stop23h 10m

Seattle/Tacoma Intl

Sun 11/30

3:10 pm-5:17 pm

1 stop23h 07m

$278

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 11/13

6:10 pm-2:20 pm

1 stop23h 10m

Seattle/Tacoma Intl

Tue 11/18

3:10 pm-5:17 pm

1 stop23h 07m

$306

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 11/12

6:10 pm-2:20 pm

1 stop23h 10m

Seattle/Tacoma Intl

Wed 11/19

3:10 pm-5:17 pm

1 stop23h 07m

$306

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 11/12

6:10 pm-2:20 pm

1 stop23h 10m

Seattle/Tacoma Intl

Tue 11/18

3:10 pm-5:17 pm

1 stop23h 07m

$306

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 11/13

6:10 pm-2:20 pm

1 stop23h 10m

Seattle/Tacoma Intl

Wed 11/19

3:10 pm-5:17 pm

1 stop23h 07m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 34 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, January is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of $238). Flying from Hamilton, Ontario to State of Washington in June is currently the most expensive (average of $387). 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 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?

    Located just 6.8 mi from the city center, Hamilton (YHM) is the airport most travelers will use when flying to Washington from Hamilton.

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

    WestJet can get you from Hamilton, Ontario to State of Washington in just under 10h 04m. Your travel time can differ by up to . The distance between Hamilton, Ontario and State of Washington is about 2087 mi.

  • 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, January is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of $238). Flying from Hamilton, Ontario to State of Washington in June is currently the most expensive (average of $387). 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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