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Cheap flights from Seattle to Toronto from $260

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
2:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
20h 55m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$555WestJet
Wed, Feb 24 - Sun, Feb 28
WestJet Logo
3:30 pm - 3:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
20h 55m1 stop Calgary
WestJet Logo
4:25 pm - 2:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$558WestJet
Wed, Mar 17 - Tue, Mar 23
WestJet Logo
2:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
20h 55m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$566WestJet
Wed, Feb 10 - Tue, Feb 16
WestJet Logo
2:20 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
21h 05m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$590WestJet
Sat, Nov 21 - Tue, Nov 24
WestJet Logo
2:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
20h 55m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$614WestJet
Wed, Feb 24 - Sun, Feb 28
WestJet Logo
2:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
20h 55m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$634WestJet
Wed, Nov 25 - Tue, Dec 1
WestJet Logo
2:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
20h 55m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$635WestJet
Wed, Dec 9 - Sun, Dec 13
WestJet Logo
2:20 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
21h 05m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$653WestJet
Sat, Nov 21 - Tue, Dec 1
WestJet Logo
2:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
20h 55m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$657WestJet
Wed, Nov 18 - Thu, Nov 26
WestJet Logo
2:20 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
21h 05m1 stop Calgary
WestJet Logo
3:25 pm - 1:40 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
25h 15m1 stop Calgary
$678WestJet
Sat, Nov 21 - Tue, Nov 24

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WestJet flights from Seattle to Hamilton, Ontario

Our best WestJet deals on Seattle to Hamilton, Ontario flight tickets
WestJet
Feb 24
SEA2:30 pmSeattle/Tacoma Intl
20h 55m
1 stop
YHM2:25 pmHamilton
Feb 28
YHM3:25 pmHamilton
25h 15m
1 stop
SEA1:40 pmSeattle/Tacoma Intl
$555
WestJet
Mar 17
SEA3:30 pmSeattle/Tacoma Intl
20h 55m
1 stop
YHM3:25 pmHamilton
Mar 23
YHM4:25 pmHamilton
25h 15m
1 stop
SEA2:40 pmSeattle/Tacoma Intl
$558
WestJet
Feb 10
SEA2:30 pmSeattle/Tacoma Intl
20h 55m
1 stop
YHM2:25 pmHamilton
Feb 16
YHM3:25 pmHamilton
25h 15m
1 stop
SEA1:40 pmSeattle/Tacoma Intl
$566

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Hamilton, Ontario that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 2/24

2:30 pm-2:25 pm

1 stop20h 55m

Hamilton

Sun 2/28

3:25 pm-1:40 pm

1 stop25h 15m

$555

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 3/17

3:30 pm-3:25 pm

1 stop20h 55m

Hamilton

Tue 3/23

4:25 pm-2:40 pm

1 stop25h 15m

$558

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 2/10

2:30 pm-2:25 pm

1 stop20h 55m

Hamilton

Tue 2/16

3:25 pm-1:40 pm

1 stop25h 15m

$566

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sat 11/21

2:20 pm-2:25 pm

1 stop21h 05m

Hamilton

Tue 11/24

3:25 pm-1:40 pm

1 stop25h 15m

$590

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 2/24

2:30 pm-2:25 pm

1 stop20h 55m

Hamilton

Sun 2/28

3:25 pm-1:40 pm

1 stop25h 15m

$614

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 11/25

2:30 pm-2:25 pm

1 stop20h 55m

Hamilton

Tue 12/1

3:25 pm-1:40 pm

1 stop25h 15m

$634

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 12/9

2:30 pm-2:25 pm

1 stop20h 55m

Hamilton

Sun 12/13

3:25 pm-1:40 pm

1 stop25h 15m

$635

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sat 11/21

2:20 pm-2:25 pm

1 stop21h 05m

Hamilton

Tue 12/1

3:25 pm-1:40 pm

1 stop25h 15m

$653

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 11/18

2:30 pm-2:25 pm

1 stop20h 55m

Hamilton

Thu 11/26

3:25 pm-1:40 pm

1 stop25h 15m

$657

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sat 11/21

2:20 pm-2:25 pm

1 stop21h 05m

Hamilton

Tue 11/24

3:25 pm-1:40 pm

1 stop25h 15m

$678

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Toronto from

How to get the cheapest flight ticket from Seattle to Hamilton, Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Seattle to Hamilton, Ontario flights?

You could potentially save up to 55% on your flight if you consider stops on a Seattle to Hamilton, Ontario flight.

When to book flights from Seattle to Hamilton, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Hamilton, Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Hamilton, Ontario (SEA to YHM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Hamilton, Ontario

Best Price Found

$260

Fastest flight time

11h 05m

Direct flights

None
The best one-way flight to Hamilton, Ontario from Seattle in the past 72 hours is $260. The best round-trip flight deal from Seattle to Hamilton, Ontario found on momondo in the last 72 hours is $555.
The fastest flight from Seattle to Hamilton, Ontario takes 11h 05m
There are no direct flights from Seattle to Hamilton, Ontario. There are no popular flight routes from Seattle to Hamilton, Ontario.
Search flight deals

Frequently asked questions about flying from Seattle to Hamilton, Ontario

  • How far is Seattle/Tacoma Intl to Hamilton by plane?

    The distance between Seattle/Tacoma Intl and Hamilton is about 2054.4 mi. A reasonable flight in good conditions will take 11h 05m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hamilton Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Hamilton Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hamilton Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hamilton Airport.

  • What documentation or ID do you need to fly to Hamilton Airport?

    The required travel and health documents for your Hamilton Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hamilton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Hamilton?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Hamilton for you.

Can I find flights from Seattle to Hamilton with flexible booking policies on momondo?

All flight searches from Seattle to Hamilton on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Hamilton?

momondo helps you find the best flight between Seattle and Hamilton by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Hamilton right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Hamilton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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