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

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How to find the cheapest flight from
Seattle (SEA) to Hamilton (YHM)

All the information you need to plan the best SEA to YHM flight in 2022: compare Seattle to Hamilton flight prices with the expected peak season, weather and rainfall in Hamilton.
When is the cheapest time to fly from Seattle to Toronto Hamilton Airport (SEA - YHM)?

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

Cheap flights from Seattle to Hamilton in May, June 2022

The best prices found for SEA to YHM flights for May, June
9 Jun - 21 Jun
$453pp
SEA
Seattle/Tacoma Intl
WestJet
 
1 STOP
YHM
Toronto Hamilton
YHM
Toronto Hamilton
WestJet
 
1 STOP
SEA
Seattle/Tacoma Intl
14 Jun - 21 Jun
$462pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YHM
Toronto Hamilton
YHM
Toronto Hamilton
WestJet
 
1 STOP
SEA
Seattle/Tacoma Intl
9 Jun - 18 Jun
$468pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YHM
Toronto Hamilton
YHM
Toronto Hamilton
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Hamilton 2022 flight deals

Cheap flights to Hamilton from Seattle found for this year
9 Jun - 21 Jun
$453pp
SEA
Seattle/Tacoma Intl
WestJet
 
1 STOP
YHM
Toronto Hamilton
YHM
Toronto Hamilton
WestJet
 
1 STOP
SEA
Seattle/Tacoma Intl
14 Jun - 21 Jun
$462pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YHM
Toronto Hamilton
YHM
Toronto Hamilton
WestJet
 
1 STOP
SEA
Seattle/Tacoma Intl
30 Jul - 8 Aug
$464pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YHM
Toronto Hamilton
YHM
Toronto Hamilton
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Hamilton

Late deals on round-trip flights to Hamilton from Seattle, departing today and this week
27 May - 5 Jun
$738pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
YHM
Toronto Hamilton
YHM
Toronto Hamilton
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
23 May - 25 May
$739pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
YHM
Toronto Hamilton
YHM
Toronto Hamilton
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
23 May - 25 May
$793pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YHM
Toronto Hamilton
YHM
Toronto Hamilton
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Hamilton from Seattle

The cheapest one-way flights from Seattle to Hamilton
4:00 am - 7:00 pm
Multiple Airlines
1 Stop
12h 00m
SEA - YHM
Multiple Airlines
$151
Gotogate
4:12 pm - 8:05 pm
Multiple Airlines
1 Stop
24h 53m
SEA - YHM
Multiple Airlines
$165
Gotogate
4:00 am - 6:50 pm
Multiple Airlines
1 Stop
11h 50m
SEA - YHM
Multiple Airlines
$179
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Hamilton</span> flights.

Flight FAQs

From Seattle to Hamilton

What airport do you fly from for flights from Seattle to Toronto Hamilton?

Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Toronto Hamilton from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Toronto Hamilton should be relatively easy as there are 0 daily outbound flights to Toronto Hamilton from 0 different airlines.

Can I find flights from Seattle to Toronto Hamilton Airport for under $500 on Cheapflights?

Yes, there are multiple flights from Seattle to Toronto Hamilton Airport for under $500. The cheapest flight booked recently is on WestJet for just $453, but on average you can expect to pay $491.

Are there last-minute flights available from Seattle to Toronto Hamilton Airport for under $800?

There are currently 14+ open flights from Seattle to Toronto Hamilton Airport within the next 7 days for less than $800.

COVID Restrictions

View COVID Travel Restrictions for Hamilton, Canada

Do I need a COVID test to fly to Hamilton from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Toronto Hamilton

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Toronto Hamilton.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Toronto Hamilton.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Toronto Hamilton.

Do I need a test to fly back to Seattle from Hamilton?

Returning to Seattle/Tacoma Intl from Toronto Hamilton

COVID-19 testing requirements
Visitors from Toronto Hamilton must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Toronto Hamilton are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Hamilton, Canada

Alternative routes for Seattle to Hamilton

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

Destination information for Hamilton

Things to know before you go - useful duration and weather info for your trip from Seattle to Hamilton.
Today's exchange rate
$1 = C$ 1.29
Average temperature for May in Hamilton
77.0 °F
Avg rainfall for May in Hamilton
5.1 ″

Airports servicing Seattle

Airports servicing Toronto