CA $196 Cheap Flights from Seattle (SEA) to Hamilton (YHM)

View CA $196 flight on Wed, May 27, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to John C. Munro Hamilton Intl. Airport (YHM)

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Cheap flights from Seattle (SEA) to Hamilton (YHM)

Prices were available within the past 7 days and start at CA $196 for one-way flights and CA $506 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, May 17 - Sun, May 24
SEA
Seattle
YHM
Hamilton
CA $506 Roundtrip, found 2 days ago
CA $506
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, May 17 from Seattle to Hamilton, returning Sun, May 24, priced at CA $506 found 2 days ago
WestJet
Wed, Jun 24 - Sat, Jul 11
SEA
Seattle
YHM
Hamilton
CA $592 Roundtrip, found 4 days ago
CA $592
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Jun 24 from Seattle to Hamilton, returning Sat, Jul 11, priced at CA $592 found 4 days ago
Air Canada
Tue, May 12 - Tue, May 19
SEA
Seattle
YHM
Hamilton
CA $602 Roundtrip, found 5 days ago
CA $602
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, May 12 from Seattle to Hamilton, returning Tue, May 19, priced at CA $602 found 5 days ago
WestJet
Sat, May 30 - Mon, Jun 15
SEA
Seattle
YHM
Hamilton
CA $639 Roundtrip, found 4 days ago
CA $639
Roundtrip
found 4 days ago
Select WestJet flight, departing Sat, May 30 from Seattle to Hamilton, returning Mon, Jun 15, priced at CA $639 found 4 days ago
Air Canada
Sun, May 17 - Sun, May 24
SEA
Seattle
YHM
Hamilton
CA $643 Roundtrip, found 2 days ago
CA $643
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, May 17 from Seattle to Hamilton, returning Sun, May 24, priced at CA $643 found 2 days ago
WestJet
Tue, Jun 23 - Sat, Jul 11
SEA
Seattle
YHM
Hamilton
CA $650 Roundtrip, found 4 days ago
CA $650
Roundtrip
found 4 days ago
Select WestJet flight, departing Tue, Jun 23 from Seattle to Hamilton, returning Sat, Jul 11, priced at CA $650 found 4 days ago
Air Canada
Wed, Jul 8 - Wed, Jul 15
SEA
Seattle
YHM
Hamilton
CA $656 Roundtrip, found 3 days ago
CA $656
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Jul 8 from Seattle to Hamilton, returning Wed, Jul 15, priced at CA $656 found 3 days ago
WestJet
Mon, Jul 13 - Fri, Jul 17
SEA
Seattle
YHM
Hamilton
CA $661 Roundtrip, found 3 days ago
CA $661
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Jul 13 from Seattle to Hamilton, returning Fri, Jul 17, priced at CA $661 found 3 days ago
WestJet
Wed, Jul 15 - Mon, Jul 20
SEA
Seattle
YHM
Hamilton
CA $666 Roundtrip, found 3 days ago
CA $666
Roundtrip
found 3 days ago
Select WestJet flight, departing Wed, Jul 15 from Seattle to Hamilton, returning Mon, Jul 20, priced at CA $666 found 3 days ago
Alaska Airlines
Sat, May 16 - Sun, May 24
SEA
Seattle
YHM
Hamilton
CA $682 Roundtrip, found 4 days ago
CA $682
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Seattle to Hamilton, returning Sun, May 24, priced at CA $682 found 4 days ago

Alternative airports near Hamilton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Region of Waterloo Intl. YKF. Average driving time to city centre is 57 minutes. Flights from CA $1,240
YKF
Region of Waterloo Intl.
Average driving time to city centre57 min
Flights from CA $1,240

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) cost?
One-way flights typically cost between $317 and $1,723 and return flights often range between $317 and $1,723. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
There are approximately 6 connecting flights per day from Seattle - Tacoma Intl. (SEA) to John C. Munro Hamilton Intl. (YHM). Some common connection points include Vancouver Intl. (YVR), O'Hare Intl. (ORD), and Calgary Intl. (YYC).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to John C. Munro Hamilton Intl. (YHM) typically departs at approximately 12:20 AM local time. This service is operated by United Airlines and Air Canada. This is a seasonal service active in July and August. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to John C. Munro Hamilton Intl. (YHM) on a Thursday, with around 14 flights available. This gives you a good selection for your travel plans. Major airlines on this route include United Airlines, Air Canada, and Alaska Airlines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to John C. Munro Hamilton Intl. (YHM) are in the morning, from 6am to 9am. About 35% of passengers prefer this time window. Many major carriers, including Air Canada and Porter Airlines, offer flights during this window. This timing works well because you can get an early start to your travel day and arrive at your destination with plenty of time left.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
A flight from SEA to YHM with a layover takes around 7 hours 20 minutes, with the route covering approximately 2,055 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to YHM flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Hamilton from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Hamilton from Seattle - Tacoma Intl. (SEA), you can fly directly into John C. Munro Hamilton Intl. (YHM) Some flights may connect through major hubs like Vancouver Intl. (YVR), O'Hare Intl. (ORD), Liberty Intl. (EWR) before reaching Hamilton. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hamilton, ON (YHM-John C. Munro Hamilton Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
John C. Munro Hamilton Intl.
Airlines serving
Air Canada, WestJet
Roundtrip price
CA $505
Distance
3287 km

Book with confidence

Seattle to Hamilton Flights

The easy way to book your flights from Seattle to Hamilton 

With Expedia, it’s simple to find and book flights to Hamilton from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to John C. Munro Hamilton Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Hamilton today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to John C. Munro Hamilton Intl., YHM 

Sort your search results by price to find great deals on your flight from Seattle to Hamilton—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Hamilton from Seattle currently is just CA $506 rising to CA $682.  

Here are more money-saving tips: 

  • Fly in May when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Hamilton  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Hamilton from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Hamilton with Expedia today.

Seattle to Hamilton Flights

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