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.

$124 Cheap Flights from Seattle to Hamilton in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 5:16 pm

SEA

YHM

23h 06m1 stop

6:10 pm - 2:19 pm

YHM

SEA

23h 09m1 stop

$288WestJet

Wed, Feb 11 - Mon, Feb 16

7:05 am - 12:40 am

SEA

YHM

14h 35m1 stop

6:00 am - 8:28 pm

YHM

SEA

17h 28m1 stop

$294WestJet

Wed, May 13 - Mon, May 18

3:10 pm - 5:16 pm

SEA

YHM

23h 06m1 stop

6:10 pm - 2:19 pm

YHM

SEA

23h 09m1 stop

$295WestJet

Wed, Mar 25 - Thu, Apr 16

5:50 am - 7:00 pm

SEA

YHM

10h 10m1 stop

8:15 am - 7:16 pm

YHM

SEA

14h 01m1 stop

$368Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

5:50 am - 7:00 pm

SEA

YHM

10h 10m1 stop

8:15 am - 10:06 pm

YHM

SEA

16h 51m1 stop

$369Multiple Airlines

Wed, Jan 21 - Wed, Jan 28

5:50 am - 7:00 pm

SEA

YHM

10h 10m1 stop

8:15 am - 10:06 pm

YHM

SEA

16h 51m1 stop

$374Multiple Airlines

Mon, Jan 19 - Mon, Jan 26

8:00 pm - 5:17 pm

SEA

YHM

18h 17m2 stops

8:15 am - 7:16 pm

YHM

SEA

14h 01m1 stop

$386Multiple Airlines

Sat, Jan 10 - Sat, Jan 17

10:05 am - 5:17 pm

SEA

YHM

28h 12m3 stops

5:45 am - 10:06 pm

YHM

SEA

19h 21m3 stops

$388Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

3:10 pm - 5:16 pm

SEA

YHM

23h 06m1 stop

6:00 am - 1:08 pm

YHM

SEA

10h 08m1 stop

$462WestJet

Wed, Apr 8 - Mon, Jun 8

3:10 pm - 5:16 pm

SEA

YHM

23h 06m1 stop

6:00 am - 8:28 pm

YHM

SEA

17h 28m1 stop

$468WestJet

Sun, Apr 5 - Mon, Jun 8

WestJet flights from Seattle to Hamilton, Ontario

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

WestJet

Feb 11

SEA3:10 pmSeattle/Tacoma Intl

23h 06m

1 stop

YHM5:16 pmHamilton

Feb 16

YHM6:10 pmHamilton

23h 09m

1 stop

SEA2:19 pmSeattle/Tacoma Intl

$288

Find similar

WestJet

May 13

SEA7:05 amSeattle/Tacoma Intl

14h 35m

1 stop

YHM12:40 amHamilton

May 18

YHM6:00 amHamilton

17h 28m

1 stop

SEA8:28 pmSeattle/Tacoma Intl

$294

Find similar

WestJet

Mar 25

SEA3:10 pmSeattle/Tacoma Intl

23h 06m

1 stop

YHM5:16 pmHamilton

Apr 16

YHM6:10 pmHamilton

23h 09m

1 stop

SEA2:19 pmSeattle/Tacoma Intl

$295

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 2/11

3:10 pm-5:16 pm

1 stop23h 06m

Hamilton

Mon 2/16

6:10 pm-2:19 pm

1 stop23h 09m

$288

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 5/13

7:05 am-12:40 am

1 stop14h 35m

Hamilton

Mon 5/18

6:00 am-8:28 pm

1 stop17h 28m

$294

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 3/25

3:10 pm-5:16 pm

1 stop23h 06m

Hamilton

Thu 4/16

6:10 pm-2:19 pm

1 stop23h 09m

$295

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 1/20

5:50 am-7:00 pm

1 stop10h 10m

Hamilton

Tue 1/27

8:15 am-7:16 pm

1 stop14h 01m

$368

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 1/21

5:50 am-7:00 pm

1 stop10h 10m

Hamilton

Wed 1/28

8:15 am-10:06 pm

1 stop16h 51m

$369

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Mon 1/19

5:50 am-7:00 pm

1 stop10h 10m

Hamilton

Mon 1/26

8:15 am-10:06 pm

1 stop16h 51m

$374

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sat 1/10

8:00 pm-5:17 pm

2 stops18h 17m

Hamilton

Sat 1/17

8:15 am-7:16 pm

1 stop14h 01m

$386

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 1/20

10:05 am-5:17 pm

3 stops28h 12m

Hamilton

Tue 1/27

5:45 am-10:06 pm

3 stops19h 21m

$388

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 4/8

3:10 pm-5:16 pm

1 stop23h 06m

Hamilton

Mon 6/8

6:00 am-1:08 pm

1 stop10h 08m

$462

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sun 4/5

3:10 pm-5:16 pm

1 stop23h 06m

Hamilton

Mon 6/8

6:00 am-8:28 pm

1 stop17h 28m

$468

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 58% 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

Fastest flight time	10h 10m
Direct flights	None

The fastest flight from Seattle to Hamilton, Ontario takes 10h 10m

There are no direct flights from Seattle to Hamilton, Ontario. There are no popular flight routes from Seattle to Hamilton, Ontario.

Search flight deals

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 02m.
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.