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.

$140 Cheap Flights from Seattle to Hamilton in 2025

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Find the cheapest flights from Seattle to Toronto

Round-trip

One-way

Last minute

Cheap round-trip flights

2:05 pm - 12:41 amSEA-YHM

7h 36m1 stop

6:00 am - 12:59 pmYHM-SEA

9h 59m1 stop

$294WestJet

Find Deal

Tue, Aug 26 - Tue, Sep 2

1:50 pm - 12:41 amSEA-YHM

7h 51m1 stop

6:00 am - 12:58 pmYHM-SEA

9h 58m1 stop

$309WestJet

Find Deal

Thu, Aug 21 - Tue, Aug 26

2:05 pm - 12:41 amSEA-YHM

7h 36m1 stop

6:00 am - 1:10 pmYHM-SEA

10h 10m1 stop

$322WestJet

Find Deal

Tue, Aug 19 - Sat, Aug 23

1:50 pm - 12:40 amSEA-YHM

7h 50m1 stop

6:00 am - 12:59 pmYHM-SEA

9h 59m1 stop

$344WestJet

Find Deal

Wed, Sep 17 - Thu, Sep 18

7:35 pm - 12:41 amSEA-YHM

26h 06m1 stop

6:00 am - 12:58 pmYHM-SEA

9h 58m1 stop

$349WestJet

Find Deal

Sun, Aug 24 - Sun, Aug 31

1:15 pm - 11:48 pmSEA-YHM

7h 33m1 stop

2:55 pm - 10:16 pmYHM-SEA

10h 21m2 stops

$353

Find Deal

Fri, Sep 12 - Fri, Sep 19

1:15 pm - 11:48 pmSEA-YHM

7h 33m1 stop

2:55 pm - 10:16 pmYHM-SEA

10h 21m2 stops

$359

Find Deal

Fri, Sep 12 - Fri, Sep 19

1:50 pm - 12:40 amSEA-YHM

7h 50m1 stop

6:00 am - 8:29 pmYHM-SEA

17h 29m1 stop

$361WestJet

Find Deal

Sat, Sep 20 - Wed, Sep 24

1:50 pm - 12:40 amSEA-YHM

7h 50m1 stop

6:00 am - 12:59 pmYHM-SEA

9h 59m1 stop

$364WestJet

Find Deal

Thu, Sep 4 - Sun, Sep 7

1:50 pm - 12:41 amSEA-YHM

7h 51m1 stop

6:00 am - 6:38 pmYHM-SEA

15h 38m1 stop

$366WestJet

Find Deal

Wed, Aug 27 - Thu, Aug 28

WestJet flights from Seattle to Hamilton, Ontario

Our best WestJet deals on Seattle to Hamilton, Ontario flight tickets

WestJet

Aug 26

SEA2:05 pmSeattle/Tacoma Intl

7h 36m

1 stop

YHM12:41 amHamilton

Sep 2

YHM6:00 amHamilton

9h 59m

1 stop

SEA12:59 pmSeattle/Tacoma Intl

$294

Find similar

WestJet

Aug 21

SEA1:50 pmSeattle/Tacoma Intl

7h 51m

1 stop

YHM12:41 amHamilton

Aug 26

YHM6:00 amHamilton

9h 58m

1 stop

SEA12:58 pmSeattle/Tacoma Intl

$309

Find similar

WestJet

Aug 19

SEA2:05 pmSeattle/Tacoma Intl

7h 36m

1 stop

YHM12:41 amHamilton

Aug 23

YHM6:00 amHamilton

10h 10m

1 stop

SEA1:10 pmSeattle/Tacoma Intl

$322

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 8/26

2:05 pm-12:41 am

1 stop7h 36m

Hamilton

Tue 9/2

6:00 am-12:59 pm

1 stop9h 59m

$294

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 8/21

1:50 pm-12:41 am

1 stop7h 51m

Hamilton

Tue 8/26

6:00 am-12:58 pm

1 stop9h 58m

$309

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 8/19

2:05 pm-12:41 am

1 stop7h 36m

Hamilton

Sat 8/23

6:00 am-1:10 pm

1 stop10h 10m

$322

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 9/17

1:50 pm-12:40 am

1 stop7h 50m

Hamilton

Thu 9/18

6:00 am-12:59 pm

1 stop9h 59m

$344

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sun 8/24

7:35 pm-12:41 am

1 stop26h 06m

Hamilton

Sun 8/31

6:00 am-12:58 pm

1 stop9h 58m

$349

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Fri 9/12

1:15 pm-11:48 pm

1 stop7h 33m

Hamilton

Fri 9/19

2:55 pm-10:16 pm

2 stops10h 21m

$353

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Fri 9/12

1:15 pm-11:48 pm

1 stop7h 33m

Hamilton

Fri 9/19

2:55 pm-10:16 pm

2 stops10h 21m

$359

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sat 9/20

1:50 pm-12:40 am

1 stop7h 50m

Hamilton

Wed 9/24

6:00 am-8:29 pm

1 stop17h 29m

$361

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 9/4

1:50 pm-12:40 am

1 stop7h 50m

Hamilton

Sun 9/7

6:00 am-12:59 pm

1 stop9h 59m

$364

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 8/27

1:50 pm-12:41 am

1 stop7h 51m

Hamilton

Thu 8/28

6:00 am-6:38 pm

1 stop15h 38m

$366

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

What is the cheapest airline that flies from Seattle/Tacoma Intl to Hamilton?

WestJet is the most popular carrier operating from Seattle/Tacoma Intl to Hamilton

What airlines fly to Hamilton, Ontario?

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Hamilton, Ontario from Seattle according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Hamilton, Ontario. Keep in mind that there are 5 different airlines that fly to Hamilton, Ontario on a routine basis, so you have a few additional options to choose from.

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	$140
Fastest flight time	7h 33m
Direct flights	None
Airports in Hamilton, Ontario	1 airport

The best one-way flight to Hamilton, Ontario from Seattle in the past 72 hours is $140. The best round-trip flight deal from Seattle to Hamilton, Ontario found on momondo in the last 72 hours is $294.

The fastest flight from Seattle to Hamilton, Ontario takes 7h 33m

There are no direct flights from Seattle to Hamilton, Ontario. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Hamilton Airport.

There is 1 airport near Hamilton, Ontario: Hamilton (YHM)

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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 7h 33m.
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.