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Cheap flights from Hamilton, Ontario to Washington from C$ 183

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hamilton, Ontario to Washington departing on 20/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Hamilton, Ontario to Washington

Cheap round-trip flights

WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
2:05 p.m. - 12:40 a.m.SEA-YHM
7h 35m1 stop
C$ 368WestJet
Find Deal
mar., 16 sept. - mar., 23 sept.
WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
1:50 p.m. - 12:40 a.m.SEA-YHM
7h 50m1 stop
C$ 379WestJet
Find Deal
mar., 30 sept. - sam., 11 oct.
WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
1:50 p.m. - 12:40 a.m.SEA-YHM
7h 50m1 stop
C$ 390WestJet
Find Deal
mar., 7 oct. - sam., 11 oct.
WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
1:50 p.m. - 12:40 a.m.SEA-YHM
7h 50m1 stop
C$ 391WestJet
Find Deal
lun., 20 oct. - mer., 22 oct.
WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
1:50 p.m. - 12:40 a.m.SEA-YHM
7h 50m1 stop
C$ 393WestJet
Find Deal
mar., 7 oct. - mer., 15 oct.
WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
3:10 p.m. - 5:17 p.m.SEA-YHM
23h 07m1 stop
C$ 394WestJet
Find Deal
sam., 25 oct. - dim., 2 nov.
WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
2:05 p.m. - 12:40 a.m.SEA-YHM
7h 35m1 stop
C$ 396WestJet
Find Deal
dim., 12 oct. - dim., 19 oct.
WestJet Logo
6:00 a.m. - 12:59 p.m.YHM-SEA
9h 59m1 stop
WestJet Logo
2:05 p.m. - 12:40 a.m.SEA-YHM
7h 35m1 stop
C$ 397WestJet
Find Deal
jeu., 16 oct. - mar., 21 oct.
Logo
6:00 a.m. - 8:29 p.m.YHM-SEA
17h 29m1 stop
Logo
11:16 p.m. - 4:44 p.m.SEA-YHM
14h 28m1 stop
C$ 504
Find Deal
lun., 15 sept. - lun., 22 sept.
Logo
5:45 p.m. - 8:29 p.m.YHM-SEA
29h 44m2 stops
Logo
2:05 p.m. - 12:40 a.m.SEA-YHM
7h 35m1 stop
C$ 544
Find Deal
mar., 16 sept. - mar., 23 sept.

WestJet flights from Hamilton, Ontario to State of Washington

Our best WestJet deals on Hamilton, Ontario to State of Washington flight tickets
WestJet
16 Sep
YHM6:00 a.m.Hamilton
9h 59m
1 stop
SEA12:59 p.m.Seattle/Tacoma Intl
23 Sep
SEA2:05 p.m.Seattle/Tacoma Intl
7h 35m
1 stop
YHM12:40 a.m.Hamilton
C$ 368
Find similar
WestJet
30 Sep
YHM6:00 a.m.Hamilton
9h 59m
1 stop
SEA12:59 p.m.Seattle/Tacoma Intl
11 Oct
SEA1:50 p.m.Seattle/Tacoma Intl
7h 50m
1 stop
YHM12:40 a.m.Hamilton
C$ 379
Find similar
WestJet
7 Oct
YHM6:00 a.m.Hamilton
9h 59m
1 stop
SEA12:59 p.m.Seattle/Tacoma Intl
11 Oct
SEA1:50 p.m.Seattle/Tacoma Intl
7h 50m
1 stop
YHM12:40 a.m.Hamilton
C$ 390
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hamilton, Ontario to State of Washington 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 96,600 searches. Data last updated 20 août 2025.
Use the filters below to find and compare flights from Hamilton, Ontario to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mar. 16/9

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

mar. 23/9

2:05 p.m.-12:40 a.m.

1 stop7h 35m

C$ 368

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mar. 30/9

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

sam. 11/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

C$ 379

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mar. 7/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

sam. 11/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

C$ 390

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

lun. 20/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

mer. 22/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

C$ 391

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mar. 7/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

mer. 15/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

C$ 393

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

sam. 25/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

dim. 2/11

3:10 p.m.-5:17 p.m.

1 stop23h 07m

C$ 394

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

dim. 12/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

dim. 19/10

2:05 p.m.-12:40 a.m.

1 stop7h 35m

C$ 396

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

jeu. 16/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

mar. 21/10

2:05 p.m.-12:40 a.m.

1 stop7h 35m

C$ 397

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

lun. 15/9

6:00 a.m.-8:29 p.m.

1 stop17h 29m

Seattle/Tacoma Intl

lun. 22/9

11:16 p.m.-4:44 p.m.

1 stop14h 28m

C$ 504

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mar. 16/9

5:45 p.m.-8:29 p.m.

2 stops29h 44m

Seattle/Tacoma Intl

mar. 23/9

2:05 p.m.-12:40 a.m.

1 stop7h 35m

C$ 544

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 Washington from

How to get the cheapest flight ticket from Hamilton, Ontario to State of Washington

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 day to depart on your flight to State of Washington?

On average, the least expensive day to fly to State of Washington from Hamilton, Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as C$ 377. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Saturday is C$ 620.

What is the cheapest time of day to depart on your flight to State of Washington?

According to our data, the cheapest time of day to fly to State of Washington is at noon. momondo users have found flights departing from Hamilton, Ontario to State of Washington at noon for as low as C$ 466. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 579 on average. Flights to State of Washington from Hamilton, Ontario in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

Direct flights

None
There are no direct flights from Hamilton, Ontario to State of Washington. There are no popular flight routes from Hamilton, Ontario to State of Washington.
Search flight deals

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

    Prices for flights from Hamilton Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Hamilton Airport to Washington?

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

    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 Hamilton Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Hamilton, Ontario to State of Washington

Compare and see reviews for airlines that fly from Hamilton, Ontario to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 215Free CancellationRating
7.2
3,032 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 389Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

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

It is quick and easy to find Hamilton to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

Flights from Hamilton to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Hamilton to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your State of Washington trip

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