Which airports can I use when flying from Seattle to Hamilton?

Flights from Seattle to Hamilton usually depart from Seattle/Tacoma Intl (SEA) and arrive at Hamilton (YHM).

Which cabin classes can I book on flights from Seattle to Hamilton?

Only Economy Class is available on flights from Seattle to Hamilton.

Which airports do connecting flights from Seattle to Hamilton pass through?

Most connecting flights from Seattle to Hamilton pass through Calgary (YYC), which handles 100% of one-stop traffic on this route.

Do I need a passport to fly from Seattle to Hamilton?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Seattle to Hamilton changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 704 to C$ 2,468. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from Seattle to Hamilton looking right now?

One-way fares from Seattle to Hamilton are currently higher than usual. Average one-way flight prices are about C$ 356, which is 28% above the typical average for this route.

What is the time difference between Seattle and Hamilton?

Hamilton is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

How much is a round-trip flight from Seattle to Hamilton?

Round-trip flights from Seattle to Hamilton typically range from C$ 630 to C$ 633. The lowest price found in the past 5 days was C$ 704, on WestJet.

Which airline is the cheapest to fly from Seattle to Hamilton?

WestJet (C$ 704) offered the cheapest round-trip ticket from Seattle to Hamilton in the last 5 days.

What is the cheapest layover airport when flying from Seattle to Hamilton?

Flights via Calgary (YYC) offer the most affordable fares, with an average round-trip price of C$ 671. Based on KAYAK data over the past 3 months.

When flying from Seattle to Hamilton, which airport offers the shortest layover?

Calgary (YYC) had the shortest average connection time for Seattle to Hamilton layovers at 13h 25m over the past three months.

C$ 317 CHEAP FLIGHTS from Seattle to Hamilton (SEA - YHM)

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Cheapest round-trip

C$ 704

Typical prices: C$ 630-C$ 633

WestJet

Fri 16/11Thu 22/11

SEA - YHM • 1 stop

Cheapest one-way flights

C$ 317

Typical prices: C$ 260-C$ 355

WestJet

Sun 18/11

SEA - YHM • 1 stop

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Flight Deals

Cheap Flights from Seattle to Hamilton (SEA-YHM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Seattle to Hamilton

Mon, 16 Nov - Sun, 22 Nov

2:30 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

20h 55m1 stop Calgary

3:25 p.m. - 1:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 704WestJet

Sat, 12 Dec - Tue, 15 Dec

2:20 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

21h 05m1 stop Calgary

3:25 p.m. - 1:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 707WestJet

Sat, 7 Nov - Tue, 10 Nov

2:20 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

21h 05m1 stop Calgary

3:25 p.m. - 1:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 790WestJet

Wed, 18 Nov - Thu, 26 Nov

2:30 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

20h 55m1 stop Calgary

3:25 p.m. - 1:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 794WestJet

Wed, 18 Nov - Fri, 20 Nov

2:30 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

20h 55m1 stop Calgary

7:05 a.m. - 12:56 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

8h 51m1 stop Vancouver Intl

C$ 807Multiple Airlines

Mon, 9 Nov - Mon, 16 Nov

5:58 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

17h 27m1 stop Calgary

7:05 a.m. - 12:57 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

8h 52m1 stop Vancouver Intl

C$ 881Multiple Airlines

Wed, 18 Nov - Mon, 23 Nov

2:30 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

20h 55m1 stop Calgary

8:00 a.m. - 1:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

8h 40m1 stop Calgary

C$ 891Multiple Airlines

Sat, 7 Nov - Sat, 14 Nov

2:20 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

21h 05m1 stop Calgary

7:05 a.m. - 2:44 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

10h 39m1 stop Vancouver Intl

C$ 908Multiple Airlines

Sat, 7 Nov - Wed, 11 Nov

2:20 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

21h 05m1 stop Calgary

8:00 a.m. - 1:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

8h 40m1 stop Calgary

C$ 908Multiple Airlines

Wed, 18 Nov - Thu, 26 Nov

2:30 p.m. - 2:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

20h 55m1 stop Calgary

3:25 p.m. - 1:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 912WestJet

Recent last minute flight deals from Seattle to Hamilton

Thu, 22 Oct - Sun, 25 Oct

7:35 p.m. - 5:15 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

18h 40m1 stop Calgary

4:25 p.m. - 2:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 1,439WestJet

Thu, 22 Oct - Thu, 29 Oct

10:30 a.m. - 5:15 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

27h 45m1 stop Calgary

4:25 p.m. - 2:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 1,591WestJet

Mon, 26 Oct - Thu, 29 Oct

10:55 p.m. - 3:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

13h 30m2 stops Vancouver Intl Calgary

4:25 p.m. - 7:08 a.m.YHM Hamilton-SEA Seattle/Tacoma Intl

17h 43m2 stops Calgary Vancouver Intl

C$ 1,604Multiple Airlines

Mon, 26 Oct - Thu, 29 Oct

9:45 p.m. - 3:25 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

14h 40m2 stops Vancouver Intl Calgary

7:05 a.m. - 6:31 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

14h 26m1 stop Vancouver Intl

C$ 1,606Multiple Airlines

Thu, 22 Oct - Thu, 29 Oct

7:35 p.m. - 5:15 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

18h 40m1 stop Calgary

4:25 p.m. - 2:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 1,616WestJet

Thu, 22 Oct - Thu, 29 Oct

7:35 p.m. - 5:15 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

18h 40m1 stop Calgary

4:25 p.m. - 2:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

25h 15m1 stop Calgary

C$ 1,618WestJet

Thu, 22 Oct - Thu, 29 Oct

7:35 p.m. - 5:15 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

18h 40m1 stop Calgary

7:05 a.m. - 1:01 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

8h 56m1 stop Vancouver Intl

C$ 1,670Multiple Airlines

Thu, 22 Oct - Tue, 27 Oct

7:35 p.m. - 5:15 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

18h 40m1 stop Calgary

7:05 a.m. - 1:01 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

8h 56m1 stop Vancouver Intl

C$ 1,675Multiple Airlines

Thu, 22 Oct - Thu, 29 Oct

7:35 p.m. - 5:15 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

18h 40m1 stop Calgary

7:05 a.m. - 1:01 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

8h 56m1 stop Vancouver Intl

C$ 1,675Multiple Airlines

Sat, 24 Oct - Tue, 27 Oct

10:30 a.m. - 11:13 p.m.SEA Seattle/Tacoma Intl-YHM Hamilton

9h 43m1 stop Calgary

6:05 a.m. - 2:40 p.m.YHM Hamilton-SEA Seattle/Tacoma Intl

11h 35m2 stops MET - Montreal Metropolitan Calgary

C$ 1,718Multiple Airlines

Booking Insights

Price, demand, and travel trends for Seattle to Hamilton flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Seattle to Hamilton? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Hamilton departing in november.

Find deals

Cheapest flight	C$ 317

One-way flight from Seattle to Hamilton

When to book flights from Seattle to Hamilton

Are your dates flexible? Find out the best times to travel from Seattle to Hamilton based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Seattle to Hamilton?
Only Economy Class is available on flights from Seattle to Hamilton.
Do I need a passport to fly from Seattle to Hamilton?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Seattle to Hamilton changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 704 to C$ 2,468. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Seattle to Hamilton looking right now?
One-way fares from Seattle to Hamilton are currently higher than usual. Average one-way flight prices are about C$ 356, which is 28% above the typical average for this route.
Which airports can I use when flying from Seattle to Hamilton?
Flights from Seattle to Hamilton usually depart from Seattle/Tacoma Intl (SEA) and arrive at Hamilton (YHM).
Which airports do connecting flights from Seattle to Hamilton pass through?
Most connecting flights from Seattle to Hamilton pass through Calgary (YYC), which handles 100% of one-stop traffic on this route.
What is the time difference between Seattle and Hamilton?
Hamilton is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If you're arriving late at night and need somewhere to stay, check out these hotels close to Hamilton Airport.

• Super 8 by Wyndham Mt Hope Hamilton Intl Arpt ON

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SEA - YHM

C$ 317 Find Cheap Flights from Seattle to Hamilton – Compare and Save

Everything you should know

Cheap Flights from Seattle to Hamilton (SEA-YHM)

Recent round-trip flight deals from Seattle to Hamilton

Recent one-way flight deals from Seattle to Hamilton

Recent last minute flight deals from Seattle to Hamilton

Price, demand, and travel trends for Seattle to Hamilton flights

How much is a round-trip flight from Seattle to Hamilton?

Which airline is the cheapest to fly from Seattle to Hamilton?

What is the cheapest layover airport when flying from Seattle to Hamilton?

When flying from Seattle to Hamilton, which airport offers the shortest layover?

Key details for Seattle to Hamilton flights

Cheapest flight

When to book flights from Seattle to Hamilton

Your Seattle to Hamilton flight questions, answered

Your guide to booking Seattle to Hamilton flights

More options for your flight from Seattle to Hamilton

Complete your trip to Hamilton with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Hamilton

Find direct flights to and from Seattle and Hamilton

Flights to other popular destinations

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