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$109+ Cheap flights from Seattle (SEA) to Hamilton (YHM)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YHM
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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How far in advance should I book a flight from Seattle to Hamilton, Ontario?

To save on the cost of your flight from Seattle to Hamilton, Ontario, book at least 50 days before your planned departure. Booking around this time can save you about 69% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $624 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $624.

What is the cheapest month to fly from Seattle to Hamilton, Ontario?

June is one of the best times of the year to fly to Hamilton, Ontario from Seattle. Prices for June average $573 per person but you can even find prices for as low as $212. The most expensive prices can be found in the month of December. Opting for a June flight can save you 11% on your journey compared to booking in December

What is the cheapest time of day to fly from SEA to YHM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Hamilton, Ontario as you normally would.

Cheap Seattle to Hamilton flights in July & August 2024

Find cheap flight options from Seattle to Hamilton specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
This SmartFares deal was found by Cheapflights users on 7/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/271:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 8/296:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 7/25$299
This JustFly deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/271:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 8/296:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 7/25$328
This oojo deal was found by Cheapflights users on 7/25. 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 8/226:15 pmSEA - YHM
1 stop27h 00mWestJet
Thu 8/296:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 7/25$341
This JustFly deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/316:15 pmSEA - YHM
1 stop27h 00mWestJet
Sat 9/76:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 7/25$345
This oojo deal was found by Cheapflights users on 7/25. 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.
Tue 8/271:50 pmSEA - YHM
1 stop7h 25mWestJet
Tue 9/176:00 amYHM - SEA
1 stop17h 26mWestJet
Deal found 7/25$351
This JustFly deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/237:00 amSEA - YHM
1 stop14h 15mWestJet
Mon 8/266:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/25$368
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/297:00 amSEA - YHM
1 stop14h 15mMultiple Airlines
Mon 9/26:00 amYHM - SEA
2 stops11h 46mMultiple Airlines
Deal found 7/25$484
This oojo deal was found by Cheapflights users on 7/25. 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.
Tue 8/137:00 amSEA - YHM
1 stop14h 15mWestJet
Mon 8/266:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/25$502
This FlightHub deal was found by Cheapflights users on 7/25. 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 8/226:15 pmSEA - YHM
1 stop27h 00mWestJet
Thu 8/296:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 7/25$504

Seattle to Hamilton 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Hamilton in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This JustFly deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/61:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 9/126:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/25$240
This JustFly deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/57:00 amSEA - YHM
1 stop7h 01mWestJet
Thu 9/126:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/25$294
This SmartFares deal was found by Cheapflights users on 7/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/271:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 8/296:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 7/25$299
This Booking.com deal was found by Cheapflights users on 7/25. 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 9/107:00 amSEA - YHM
1 stop7h 01mWestJet
Tue 9/246:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/25$311
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/47:00 amSEA - YHM
1 stop14h 15mWestJet
Sat 9/76:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 7/24$326
This JustFly deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/271:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 8/296:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 7/25$328
This Booking.com deal was found by Cheapflights users on 7/25. 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.
Thu 9/127:00 amSEA - YHM
1 stop7h 01mWestJet
Tue 9/246:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/25$340
This oojo deal was found by Cheapflights users on 7/25. 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 8/226:15 pmSEA - YHM
1 stop27h 00mWestJet
Thu 8/296:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 7/25$341
This JustFly deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/316:15 pmSEA - YHM
1 stop27h 00mWestJet
Sat 9/76:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 7/25$345

Seattle to Hamilton flights leaving soon

Find last-minute flight options from Seattle to Hamilton for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This Gotogate deal was found by Cheapflights users on 7/24. 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.
Thu 8/81:50 pmSEA - YHM
1 stop7h 25mWestJet
Sun 8/116:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/24$630
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/61:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 8/156:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/24$634
This Trip.com deal was found by Cheapflights users on 7/24. 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 8/81:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 8/156:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/24$640
This oojo deal was found by Cheapflights users on 7/24. 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 8/87:00 amSEA - YHM
1 stop14h 15mWestJet
Mon 8/126:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 7/24$646
This Trip.com deal was found by Cheapflights users on 7/23. 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 7/261:50 pmSEA - YHM
1 stop7h 26mWestJet
Sat 7/276:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 7/23$649
This Booking.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/87:00 amSEA - YHM
1 stop14h 15mWestJet
Wed 8/146:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/24$663
This Priceline deal was found by Cheapflights users on 7/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/61:50 pmSEA - YHM
1 stop7h 25mWestJet
Tue 8/136:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/23$670
This oojo deal was found by Cheapflights users on 7/24. 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.
Wed 7/311:50 pmSEA - YHM
1 stop7h 26mWestJet
Mon 8/56:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 7/24$679
This oojo deal was found by Cheapflights users on 7/24. 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 8/16:15 pmSEA - YHM
1 stop27h 00mWestJet
Mon 8/126:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 7/24$687

One-way flights to Hamilton from Seattle

Search for one-way flight options from Seattle to Hamilton. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This Trip.com deal was found by Cheapflights users on 7/25. 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.
Sun 9/157:00 amSEA - YHM
1 stop7h 13mWestJet
Deal found 7/25$109
This oojo deal was found by Cheapflights users on 7/24. 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.
Wed 8/211:50 pmSEA - YHM
1 stop7h 25mWestJet
Deal found 7/24$121
This oojo deal was found by Cheapflights users on 7/23. 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.
Tue 8/136:15 pmSEA - YHM
1 stop27h 00mWestJet
Deal found 7/23$148
This Trip.com deal was found by Cheapflights users on 7/24. 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 8/147:00 amSEA - YHM
1 stop14h 15mWestJet
Deal found 7/24$153
This oojo deal was found by Cheapflights users on 7/25. 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.
Tue 9/107:00 amSEA - YHM
1 stop7h 01mWestJet
Deal found 7/25$158
This JustFly deal was found by Cheapflights users on 7/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:00 amSEA - YHM
1 stop14h 15mWestJet
Deal found 7/23$160
This oojo deal was found by Cheapflights users on 7/25. 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.
Sun 10/207:00 amSEA - YHM
1 stop7h 13mWestJet
Deal found 7/25$165
This JustFly deal was found by Cheapflights users on 7/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/207:00 amSEA - YHM
1 stop7h 13mWestJet
Deal found 7/24$169
This Trip.com deal was found by Cheapflights users on 7/25. 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.
Mon 8/267:00 amSEA - YHM
1 stop14h 15mWestJet
Deal found 7/25$196

Find flights from Seattle to Hamilton within your budget

Customize your flight search to find flights from Seattle 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$294 - $543

Route

Depart

Return

Price

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 9/5

1 stop7h 01m

Hamilton

Thu 9/12

1 stop9h 56m

$294

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 9/5

1 stop7h 01m

Hamilton

Thu 9/12

1 stop9h 56m

$295

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 8/21

1 stop7h 25m

Hamilton

Sun 8/25

1 stop14h 21m

$310

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 9/17

1 stop7h 13m

Hamilton

Tue 9/24

1 stop9h 56m

$311

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 8/20

1 stop27h 00m

Hamilton

Tue 8/27

1 stop9h 56m

$314

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 9/4

1 stop14h 15m

Hamilton

Sat 9/7

1 stop17h 21m

$326

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sat 8/31

1 stop27h 00m

Hamilton

Sat 9/7

1 stop17h 21m

$345

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sat 9/28

1 stop7h 13m

Hamilton

Tue 10/1

1 stop9h 56m

$366

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 8/29

1 stop7h 25m

Hamilton

Mon 9/2

1 stop9h 14m

$543

Flights are sorted by cheapest first

Deals found on 7/25

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

Best time to book a flight from Seattle to Hamilton

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

Reviews of airlines servicing Hamilton

Get insights into the airlines that provide service to Hamilton. 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 Hamilton. Reviews last updated July 25, 2024.
WestJet
7.4
Good
2,761 reviews

Boarding

7.6

Comfort

7.2

Entertainment

6.3

Food

6.3

Overall

7.4

Crew

8.0

Reviews

1 / 10

Pilots made up time on delayed flights. Air in the cabin was stuffy and too warm. Flight attendants were friendly and efficient.

WestJet
7.4
Good
2,761 reviews
WestJet
7.4
Good
2,761 reviews

Boarding

7.6

Comfort

7.2

Entertainment

6.3

Food

6.3

Overall

7.4

Crew

8.0

Reviews

1 / 10

Pilots made up time on delayed flights. Air in the cabin was stuffy and too warm. Flight attendants were friendly and efficient.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Hamilton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Hamilton, Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Hamilton, Ontario for under $300. The cheapest flight booked recently is on WestJet for just $294, but on average you can expect to pay $361.

  • Are there last-minute flights available from Seattle to Hamilton, Ontario for under $700?

    There are currently 20+ open flights from Seattle to Hamilton, Ontario within the next 7 days for less than $700.

  • What does SEA to YHM mean?

    Great question - SEA to YHM just means Seattle/Tacoma Intl Airport to Hamilton Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Seattle to Hamilton that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Hamilton flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Hamilton with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Hamilton flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

  • Can I find deals for flights from Seattle to Hamilton that allow pets onboard?

    Many airlines flying from Seattle to Hamilton offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Hamilton?

    Yes, you can often find last-minute deals on Seattle to Hamilton flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Hamilton, Ontario flight deals updated?

    The Seattle to Hamilton, Ontario flight deals you see on this page were last updated on 7/25.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.

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