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Cheap flights from Washington to Toronto from $207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Toronto departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:00 am - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
7h 15m1 stop Calgary
WestJet Logo
6:10 pm - 9:40 amYHM  Hamilton-SEA Seattle/Tacoma Intl
18h 30m1 stop Calgary
$441WestJet
Sat, Sep 5 - Thu, Sep 10
WestJet Logo
7:35 pm - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
18h 40m1 stop Calgary
WestJet Logo
6:10 pm - 6:45 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
27h 35m1 stop Calgary
$471WestJet
Fri, Sep 4 - Fri, Sep 11
WestJet Logo
3:10 pm - 4:17 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
22h 07m1 stop Calgary
WestJet Logo
6:10 pm - 1:20 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
22h 10m1 stop Calgary
$473WestJet
Wed, Nov 25 - Sun, Nov 29
WestJet Logo
3:10 pm - 4:17 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
22h 07m1 stop Calgary
WestJet Logo
6:10 pm - 1:20 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
22h 10m1 stop Calgary
$475WestJet
Sun, Nov 22 - Mon, Nov 30
WestJet Logo
10:30 am - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
27h 45m1 stop Calgary
WestJet Logo
6:10 pm - 9:40 amYHM  Hamilton-SEA Seattle/Tacoma Intl
18h 30m1 stop Calgary
$477WestJet
Mon, Sep 7 - Mon, Sep 14
WestJet Logo
10:30 am - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
27h 45m1 stop Calgary
WestJet Logo
6:10 pm - 9:40 amYHM  Hamilton-SEA Seattle/Tacoma Intl
18h 30m1 stop Calgary
$477WestJet
Wed, Sep 16 - Thu, Oct 1
WestJet Logo
7:35 pm - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
18h 40m1 stop Calgary
WestJet Logo
6:10 pm - 9:40 amYHM  Hamilton-SEA Seattle/Tacoma Intl
18h 30m1 stop Calgary
$477WestJet
Thu, Sep 10 - Wed, Sep 16
WestJet Logo
7:35 pm - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
18h 40m1 stop Calgary
WestJet Logo
6:10 pm - 9:40 amYHM  Hamilton-SEA Seattle/Tacoma Intl
18h 30m1 stop Calgary
$477WestJet
Thu, Sep 10 - Sun, Sep 20
WestJet Logo
10:30 am - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
27h 45m1 stop Calgary
WestJet Logo
6:10 pm - 6:45 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
27h 35m1 stop Calgary
$477WestJet
Thu, Oct 1 - Mon, Oct 5
WestJet Logo
10:30 am - 5:15 pmSEA  Seattle/Tacoma Intl-YHM Hamilton
27h 45m1 stop Calgary
WestJet Logo
6:10 pm - 6:45 pmYHM  Hamilton-SEA Seattle/Tacoma Intl
27h 35m1 stop Calgary
$477WestJet
Sat, Oct 17 - Mon, Oct 19

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WestJet flights from State of Washington to Hamilton, Ontario

Our best WestJet deals on State of Washington to Hamilton, Ontario flight tickets
WestJet
Sep 5
SEA7:00 amSeattle/Tacoma Intl
7h 15m
1 stop
YHM5:15 pmHamilton
Sep 10
YHM6:10 pmHamilton
18h 30m
1 stop
SEA9:40 amSeattle/Tacoma Intl
$441
WestJet
Sep 4
SEA7:35 pmSeattle/Tacoma Intl
18h 40m
1 stop
YHM5:15 pmHamilton
Sep 11
YHM6:10 pmHamilton
27h 35m
1 stop
SEA6:45 pmSeattle/Tacoma Intl
$471
WestJet
Nov 25
SEA3:10 pmSeattle/Tacoma Intl
22h 07m
1 stop
YHM4:17 pmHamilton
Nov 29
YHM6:10 pmHamilton
22h 10m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$473

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Hamilton, Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Washington to Hamilton, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sat 9/5

7:00 am-5:15 pm

1 stop7h 15m

Hamilton

Thu 9/10

6:10 pm-9:40 am

1 stop18h 30m

$441

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Fri 9/4

7:35 pm-5:15 pm

1 stop18h 40m

Hamilton

Fri 9/11

6:10 pm-6:45 pm

1 stop27h 35m

$471

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 11/25

3:10 pm-4:17 pm

1 stop22h 07m

Hamilton

Sun 11/29

6:10 pm-1:20 pm

1 stop22h 10m

$473

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sun 11/22

3:10 pm-4:17 pm

1 stop22h 07m

Hamilton

Mon 11/30

6:10 pm-1:20 pm

1 stop22h 10m

$475

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Mon 9/7

10:30 am-5:15 pm

1 stop27h 45m

Hamilton

Mon 9/14

6:10 pm-9:40 am

1 stop18h 30m

$477

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Wed 9/16

10:30 am-5:15 pm

1 stop27h 45m

Hamilton

Thu 10/1

6:10 pm-9:40 am

1 stop18h 30m

$477

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Thu 9/10

7:35 pm-5:15 pm

1 stop18h 40m

Hamilton

Wed 9/16

6:10 pm-9:40 am

1 stop18h 30m

$477

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Thu 9/10

7:35 pm-5:15 pm

1 stop18h 40m

Hamilton

Sun 9/20

6:10 pm-9:40 am

1 stop18h 30m

$477

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Thu 10/1

10:30 am-5:15 pm

1 stop27h 45m

Hamilton

Mon 10/5

6:10 pm-6:45 pm

1 stop27h 35m

$477

SeattleHamilton

SEA Seattle/Tacoma Intl - YHM Hamilton

SEAYHM

Seattle/Tacoma Intl

Sat 10/17

10:30 am-5:15 pm

1 stop27h 45m

Hamilton

Mon 10/19

6:10 pm-6:45 pm

1 stop27h 35m

$477

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 State of Washington 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 State of Washington to Hamilton, Ontario flights?

You could potentially save up to 58% on your flight if you consider stops on a State of Washington to Hamilton, Ontario flight.

Cheap State of Washington to Hamilton, Ontario flight deals and tips

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

Fastest flight time

7h 15m

Direct flights

None
The fastest flight from State of Washington to Hamilton, Ontario takes 7h 15m
There are no direct flights from State of Washington to Hamilton, Ontario. There are no popular flight routes from State of Washington to Hamilton, Ontario.
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Frequently asked questions about flying from Washington to Hamilton, Ontario

  • When did momondo last update prices for flights from Washington to Hamilton Airport?

    Prices for flights from Washington to Hamilton Airport refresh daily.

  • How old do you have to be to fly from Washington to Hamilton Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Hamilton Airport.

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

    The travel and health documents you'll need for your trip to Hamilton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hamilton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Hamilton. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between Washington 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 Washington to Hamilton right now. Can momondo alert me if prices change?

Price alerts on flights to Hamilton from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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