Cheap flight tickets from John C. Munro Hamilton to Seattle

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Flight deals from John C. Munro Hamilton to Seattle

Looking for a cheap last-minute deal or the best return flight from John C. Munro Hamilton Airport to Seattle? If you want to travel next month, return fares start from RM1,327. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from John C. Munro Hamilton to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like John C. Munro Hamilton to Seattle flights are currently cheapest in June.

Alternative John C. Munro Hamilton to Seattle routes

Looking for the cheapest, fastest or easiest route from John C. Munro Hamilton to Seattle? You could fly into the following airports instead.

Toronto to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRM639
Cheapest month to flyJune

Finding cheap flights from John C. Munro Hamilton to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from John C. Munro Hamilton to Seattle is RM1,052. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from John C. Munro Hamilton to Seattle. But we found flights with one or more stops from RM1,052.
As of April 2026, there are no flights flying from John C. Munro Hamilton to Seattle.
The cheapest month to fly from John C. Munro Hamilton to Seattle is usually June.
If you're flying from John C. Munro Hamilton Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from RM1,052.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from John C. Munro Hamilton Airport to Seattle on Thursday, 18 June 2026.
No airlines currently offer direct flights between John C. Munro Hamilton Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 8°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, WestJet offers the cheapest flight tickets to Seattle.

Travelling from John C. Munro Hamilton Airport (YHM) to Seattle: what you need to know

  • The timezone in Seattle is UTC-7. The city is three hours behind Toronto, where John C. Munro Hamilton Airport is located.

  • For a relaxed start to your YHM to Seattle flight, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • Flying during a peak month such as August? Public holidays and other high seasons can mean longer queues at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Located around 72 kilometres from the centre of Toronto, YHM can be reached in about 1 hour by car (depending on traffic). Travelling on public transport will take roughly 3 hours 20 minutes.

  • Want an easy start to your journey? Stay near YHM. Whether you're taking an early flight from John C. Munro Hamilton Airport to Seattle or want to avoid feeling rushed, these hotels are worth a look:

  • When it comes to the on-time performance of John C. Munro Hamilton Airport, 71.43% of flights meet their scheduled arrival time.

How to find the cheapest flights from John C. Munro Hamilton Airport (YHM) to Seattle

  • RM639 is currently the lowest price for a one-way John C. Munro Hamilton Airport to Seattle flight. Return flight tickets start from RM1,052. These fares may change based on demand.

  • Don't leave things to the last moment. You're more likely to find cheap flights from YHM to Seattle if you book ahead. Airlines often offer some great early bird deals.

  • If you have flexibility with your travel dates, check out the 'Whole month' search tool. It'll show you the lowest price across each month when looking for a John C. Munro Hamilton Airport to Seattle ticket.

  • Snapping up a cheap flight from YHM to Seattle is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll let you know as soon as a lower fare pops up.

  • Select your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from John C. Munro Hamilton Airport to Seattle by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from central Seattle. If you're opting for a ride-share or a taxi, the drive will take roughly 20 minutes.

  • It typically takes 55 minutes to get there by public transport.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from John C. Munro Hamilton Airport to Seattle. Stay at one of these accommodation options near SEA instead:

  • Pick up a Seattle-Tacoma International Airport rental car and explore Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are popular outlets you can book with here.

  • Lock in the best rate by reserving your vehicle from Seattle-Tacoma International Airport around one week before your flight from YHM to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • Central Seattle is about 3 kilometres from Lake Union Sea Plane Base Airport (LKE). After your flight from John C. Munro Hamilton Airport to Seattle has touched down and you've made your way through the terminal, expect a drive of about 10 minutes.

  • You can expect the trip to take about 25 minutes on public transport.

  • After stepping off your YHM to Seattle flight, settle in at a hotel near LKE. These are some great accommodation options that'll help you switch to relaxation mode:

Best time to go to Seattle

  • Carefully consider your dates before booking your flight from John C. Munro Hamilton Airport to Seattle. The city buzzes during high season, but hotel prices are generally higher and attractions can get busy. Go to Seattle in low season if you prefer a more relaxed vibe.

  • When booking your John C. Munro Hamilton Airport to Seattle flight ticket, think about what kind of weather you prefer. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for a cheap ticket from YHM to Seattle around that time if you like cooler conditions.

More about Seattle

  • Start your Seattle trip right by choosing the perfect place to stay. Once you've booked your flight from John C. Munro Hamilton Airport to Seattle, browse our selection of accommodation options including:

  • There are so many things to discover in this city it can be hard to figure out where to start. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are major attractions which should feature on any well-planned Seattle itinerary.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be explored after you've experienced Seattle. Around 241 kilometres away to the south, well-known attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're interested in discovering another corner of United States, head for Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.