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$152+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SEA
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$295
(Booking.com)

One-way from

$152
(KAYAK)

Popular in

December

Cheapest in

February

Average price

$382
From Hamilton to Washington
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One-way flight from Hamilton to Washington
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High demand for flights, 4% 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 August 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 August 1, 2025.

This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:00 amYHM - SEA
1 stop9h 58mWestJet
Tue 8/267:35 pmSEA - YHM
1 stop26h 06mWestJet
Deal found 7/31$295
This Trip.com deal was found by Cheapflights users on 7/30. 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 9/206:00 amYHM - PDX
1 stop10h 05mWestJet
Mon 9/221:45 pmPDX - YHM
1 stop7h 55mWestJet
Deal found 7/30$333
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:00 amYHM - SEA
1 stop9h 58mMultiple Airlines
Thu 9/47:05 amSEA - YHM
2 stops13h 43mMultiple Airlines
Deal found 7/30$334
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:45 pmYHM - PDX
1 stop8h 16mMultiple Airlines
Wed 9/310:00 amPDX - YHM
1 stop10h 59mMultiple Airlines
Deal found 7/31$448

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 August 1, 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

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Tue 8/26

6:00 am-12:58 pm

1 stop9h 58m

Seattle/Tacoma Intl

Tue 8/26

7:35 pm-12:41 am

1 stop26h 06m

$295

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Sat 9/20

6:00 am-1:05 pm

1 stop10h 05m

Portland

Mon 9/22

1:45 pm-12:40 am

1 stop7h 55m

$333

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 8/28

6:00 am-12:58 pm

1 stop9h 58m

Seattle/Tacoma Intl

Thu 9/4

7:05 am-11:48 pm

2 stops13h 43m

$334

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Thu 8/28

5:45 pm-11:01 pm

1 stop8h 16m

Portland

Wed 9/3

10:00 am-11:59 pm

1 stop10h 59m

$448

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Fri 8/22

6:00 am-12:58 pm

1 stop9h 58m

$152

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Sun 9/21

6:00 am-1:05 pm

1 stop10h 05m

$189

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sat 9/27

2:55 pm-12:59 pm

2 stops25h 04m

$190

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Fri 9/5

5:45 pm-1:05 pm

2 stops22h 20m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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 $389). 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 August 1, 2025.
Read through reviews of airlines operating flights from Hamilton to Washington, such as WestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,978 reviews

Entertainment

6.1

Comfort

7.0

Boarding

7.4

Overall

7.2

Crew

7.9

Food

6.2

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
2,978 reviews
WestJet
7.2
Good
2,978 reviews

Entertainment

6.1

Comfort

7.0

Boarding

7.4

Overall

7.2

Crew

7.9

Food

6.2

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?

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

  • 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 $389). 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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