The cheapest times to fly from SEA to YHM are
- January 8th to March 4th
- March 19th to April 29th (except the weeks of March 26th and April 9th)
- September 3rd to December 9th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to YHM is mid October. Prices can be as high as $978 for Sunday flights during mid December, or as low as $559 for Wednesday flights around mid October.
When to Fly to Hamilton
Flying from Seattle, WA (SEA) to Hamilton (YHM) will usually cost between $583 to $828 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $596. Due to high demand the most expensive time to fly is mid December, with an average price of $874. Planning your trip to low-cost times can easily save you $278 on economy flights and even more on first-class flights. Generally, any price below $682 can be considered a good price for a round-trip SEA to YHM flight.
See below for a graph of average weekly prices for the SEA to YHM route. All prices are for round-trip tickets in USD.
Key
Compared to other flights, the SEA to YHM flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.21, which is below average.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to fly to YHM, and Tuesday the cheapest day to fly back into SEA. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $63 (9%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $661. Return trip prices are from the YHM to SEA flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Key
Return Trip Prices by Day
Key
Nonstop Flights and Layovers
Travelers looking to fly from SEA to YHM can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 41 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SEA to YHM while comparing.
- 63 miles (101 km) away from YHM
- Usually 47.25% less expensive than YHM
- 1-layover flights available
- 114 miles (183 km) away from YHM
- Usually 43.51% less expensive than YHM
- 1-layover flights available
- 38 miles (61 km) away from YHM
- Usually 29.57% less expensive than YHM
- Nonstop flights available
- 76 miles (122 km) away from YHM
- Usually 40.87% less expensive than YHM
- 1-layover flights available
- 62 miles (100 km) away from YHM
- Usually 9.46% less expensive than YHM
- 1-layover flights available
- 41 miles (66 km) away from YHM
- Usually 6.46% less expensive than YHM
- 1-layover flights available
Flight Hacking SEA to YHM
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to YHM — but Champion Traveler does!
- Price for both tickets: $608
- Average savings: $74 (10.79%)
- Price for both tickets: $630
- Average savings: $52 (7.63%)
Flight Questions Answered
Still have questions about flying from SEA to YHM? We’ve got answers.
Which airlines fly this route?
You can find 4 major airlines flying this route most often: Alaska, Delta, United, WestJet, and potentially more during busy seasons.
How far away is it from John C. Munro Hamilton International Airport to Seattle/Tacoma International Airport?
The distance between the two airports is roughly 2054 miles or 3306 kilometers.
How long does it take to fly from SEA to YHM?
The real-world flight time for a nonstop SEA to YHM flight is about 4 hour 41 minutes.
How many flights go between Seattle, WA and Hamilton?
It depends on the day of the week and the date, but a typical day might have around 17 available flights from SEA to YHM.
Airport Location Info
Departing Airport
Origination code | SEA |
Origination airport name | Seattle/Tacoma International Airport |
City | Seattle, WA |
Country | the United States |
Latitude | 47.5 |
Longitude | -122.3 |
Return Airport
Destination code | YHM |
Destination airport name | John C. Munro Hamilton International Airport |
City | Hamilton |
Country | Canada |
Latitude | 43.2 |
Longitude | -79.9 |
Other Resources
Flights to YHM
Flights from YHM
Popular Flights
Flights to SEA
Flights from SEA
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.