Question 1

What is the cheapest airline to fly from Seattle to Hamilton, Ontario round-trip?

Accepted Answer

Currently priced at C$ 406, WestJet will fly you from Seattle to Hamilton, Ontario and back. In addition to WestJet, many other airlines offer competitively priced options for your trip.

Question 2

What is the cheapest month to book a flight from Seattle to Hamilton, Ontario?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seattle to Hamilton, Ontario (average of C$ 186). Flying from Seattle to Hamilton, Ontario in December is currently the most expensive (average of C$ 271). 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.

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in Hamilton, Ontario ranges from 58.0 - 101.0 mm per month. July is typically the wettest month, when rainfall can reach 101.0 mm. February is typically the driest time to visit Hamilton, Ontario when rainfall is around 58.0 mm.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to Hamilton, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Question 5

How far in advance should I book a flight from Seattle to Hamilton, Ontario?

Accepted Answer

Users have found that booking a flight from Seattle to Hamilton, Ontario at least 49 days early can save you up to 112% on average compared to booking a flight this week. If booking 49 days before your flight isn’t an option for you, users have found flights from Seattle to Hamilton, Ontario for as little as C$ 700 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 986 for flights departing within the next 3 days.

Question 6

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

Accepted Answer

January is one of the best times of the year to fly to Hamilton, Ontario from Seattle. Prices for January average C$ 567 per person but you can even find prices for as low as C$ 176. The most expensive prices can be found in the month of June. Opting for a January flight can save you 20% on your journey compared to booking in June

Question 7

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

Accepted Answer

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.

Question 8

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

Accepted Answer

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

Question 9

How can I find direct flights from Seattle to Hamilton?

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Hamilton. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 12

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

Accepted Answer

Cheapflights helps you find that perfect flight to Hamilton from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 13

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from Seattle to Hamilton with no change fees.

Question 14

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

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	C$ 406
One-way from	C$ 192
Popular in	June
Cheapest in	January
Average price	C$ 672

Cheap flights from Seattle to Hamilton, ON from C$ 192

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Seattle to HamiltonExplore the most affordable flight options available from Seattle to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 julio 2025.

Explore the most affordable flight options available from Seattle to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 julio 2025.

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Best time to book a flight from Seattle to Hamilton

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Everything you need to know about your flight from Seattle to Hamilton

What is the cheapest month to book a flight from Seattle to Hamilton, Ontario?

Reviews of airlines servicing Hamilton

Get a feel of what it's like to fly with WestJet from Seattle to Hamilton by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What is the cheapest airline to fly from Seattle to Hamilton, Ontario round-trip?

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

How can I find direct flights from Seattle to Hamilton?

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

What is the cheapest month to book a flight from Seattle to Hamilton, Ontario?

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

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

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

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

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Cheapest flights from Seattle to Hamilton
Explore the most affordable flight options available from Seattle to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 julio 2025.