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Cheap flights from Hamilton to Seattle from C$ 235

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YHM — SEA
4 Jun — 11 Jun1
1 adult
Tue 4/6
Tue 11/6

Cheap flight deals from Hamilton to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 May 2024.

Round-trip from

C$ 422

One-way from

C$ 354
From Hamilton to Seattle/Tacoma Intl
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One-way flight from Hamilton to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Hamilton, Ontario to Seattle?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 9% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Hamilton, Ontario to Seattle?

Users have found that booking a flight from Hamilton, Ontario to Seattle at least 51 days early can save you up to 75% on average compared to booking a flight this week. If booking 51 days before your flight isn’t an option for you, users have found flights from Hamilton, Ontario to Seattle for as little as C$ 781 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 921 for flights departing within the next 3 days.

What is the cheapest month to fly from Hamilton, Ontario to Seattle?

Our data shows that October tends to be the cheapest month to fly to Seattle from Hamilton, Ontario. Users have commonly found prices around C$ 714 for the month, but tickets can be as low as C$ 456. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from YHM to SEA?

It’s typically best to fly out from Hamilton, Ontario to Seattle at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap WestJet flights from Hamilton to Seattle

Explore cheap flight options specifically provided by WestJet for the route between Hamilton and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.
Thu 19/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 24/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 29/5C$ 428
Thu 19/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Mon 30/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 28/5C$ 449
Wed 4/96:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Tue 10/97:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 30/5C$ 454
Tue 24/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Fri 4/101:50 p.m.SEA - YHM
1 stop7h 28mWestJet
Deal found 29/5C$ 461
Tue 13/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 27/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 29/5C$ 468
Sat 21/96:05 p.m.YHM - SEA
2 stops23h 43mWestJet
Mon 30/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 29/5C$ 469
Mon 5/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Wed 21/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 29/5C$ 488
Wed 21/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Mon 26/87:00 a.m.SEA - YHM
1 stop14h 15mWestJet
Deal found 29/5C$ 514
Mon 30/96:05 p.m.YHM - SEA
1 stop29h 21mWestJet
Sun 6/107:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 29/5C$ 517

Cheap Hamilton to Seattle flights in May & June 2024

Find cheap flight options from Hamilton to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 426,053 searches. Prices were last updated on 30 May 2024.
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Mon 24/66:15 p.m.SEA - YHM
1 stop27h 00mWestJet
Deal found 29/5C$ 540
Tue 18/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Tue 5/111:50 p.m.SEA - YHM
1 stop22h 28mWestJet
Deal found 29/5C$ 551
Wed 26/66:00 a.m.YHM - SEA
1 stop17h 21mWestJet
Wed 3/71:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 29/5C$ 579
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Tue 25/61:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 30/5C$ 632
Tue 25/66:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 2/71:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 28/5C$ 650
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Wed 26/61:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 29/5C$ 666
Tue 11/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Mon 17/67:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 28/5C$ 701
Fri 28/66:00 a.m.YHM - SEA
1 stop17h 21mWestJet
Tue 2/71:50 p.m.SEA - YHM
1 stop7h 26mWestJet
Deal found 29/5C$ 733
Sun 30/66:00 a.m.YHM - SEA
2 stops11h 46mWestJet
Sat 6/77:00 a.m.SEA - YHM
1 stop14h 16mWestJet
Deal found 29/5C$ 736

Hamilton to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Hamilton and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.
Thu 19/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 24/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 29/5C$ 428
Wed 25/96:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Wed 2/107:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 30/5C$ 443
Thu 19/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Mon 30/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 28/5C$ 449
Wed 4/96:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Tue 10/97:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 30/5C$ 454
Tue 24/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Fri 4/101:50 p.m.SEA - YHM
1 stop7h 28mWestJet
Deal found 29/5C$ 461
Tue 13/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 27/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 29/5C$ 468
Sat 21/96:05 p.m.YHM - SEA
2 stops23h 43mWestJet
Mon 30/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 29/5C$ 469
Mon 5/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Wed 21/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 29/5C$ 488
Mon 1/76:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Thu 4/71:50 p.m.SEA - YHM
1 stop7h 26mWestJet
Deal found 30/5C$ 491

Hamilton to Seattle flights leaving soon

Find last-minute flight options from Hamilton to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.
Wed 5/67:15 a.m.YHM - SEA
1 stop16h 05mWestJet
Thu 6/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 30/5C$ 791
Sun 9/66:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Tue 18/67:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 29/5C$ 850
Wed 5/67:15 a.m.YHM - SEA
2 stops12h 19mWestJet
Thu 6/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 30/5C$ 1,037
Tue 4/66:05 p.m.YHM - SEA
1 stop29h 15mWestJet
Tue 11/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 29/5C$ 1,110
Sat 8/66:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Thu 4/71:50 p.m.SEA - YHM
1 stop7h 26mWestJet
Deal found 29/5C$ 1,167
Fri 7/66:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Sun 16/61:50 p.m.SEA - YHM
1 stop24h 11mWestJet
Deal found 30/5C$ 1,839
Fri 7/66:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Sun 9/61:50 p.m.SEA - YHM
1 stop24h 25mWestJet
Deal found 30/5C$ 2,162

One-way flights to Seattle from Hamilton

Search for one-way flight options from Hamilton to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.
Wed 21/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Deal found 29/5C$ 235
Tue 20/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Deal found 30/5C$ 252
Wed 21/86:05 p.m.YHM - SEA
1 stop29h 16mWestJet
Deal found 30/5C$ 272
Tue 18/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Deal found 28/5C$ 285
Fri 15/114:10 p.m.YHM - SEA
1 stop23h 50mWestJet
Deal found 29/5C$ 291
Sun 14/76:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 29/5C$ 293
Sun 29/96:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Deal found 30/5C$ 300
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Deal found 29/5C$ 309
Sun 29/96:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Deal found 29/5C$ 316

Find flights from Hamilton to Seattle within your budget

Customize your flight search to find flights from Hamilton to Seattle 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, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 428 - C$ 792

Route

Depart

Return

Price

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Thu 19/9

1 stop9h 56m

Seattle/Tacoma Intl

Tue 24/9

1 stop7h 13m

C$ 428

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Thu 19/9

1 stop9h 56m

Seattle/Tacoma Intl

Mon 30/9

1 stop7h 13m

C$ 449

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Wed 4/9

1 stop21h 51m

Seattle/Tacoma Intl

Tue 10/9

1 stop7h 01m

C$ 454

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Tue 24/9

1 stop9h 56m

Seattle/Tacoma Intl

Fri 4/10

1 stop7h 28m

C$ 461

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Tue 13/8

1 stop9h 56m

Seattle/Tacoma Intl

Tue 27/8

1 stop7h 25m

C$ 468

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Sat 21/9

2 stops23h 43m

Seattle/Tacoma Intl

Mon 30/9

1 stop7h 13m

C$ 469

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Mon 5/8

1 stop9h 56m

Seattle/Tacoma Intl

Wed 21/8

1 stop7h 25m

C$ 488

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Wed 21/8

1 stop9h 56m

Seattle/Tacoma Intl

Mon 26/8

1 stop14h 15m

C$ 514

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Tue 11/6

1 stop8h 41m

Seattle/Tacoma Intl

Sat 15/6

3 stops20h 29m

C$ 792

Flights are sorted by cheapest first

Deals found on 29/5

What is the cheapest day to fly from Hamilton, Ontario to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Hamilton to Seattle. Price data was last updated on 26 May 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Hamilton, Ontario to Seattle flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Hamilton to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Hamilton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 30 May 2024.
WestJet
7.5
Good
2,869 reviews
Check prices

Food

6.4

Entertainment

6.4

Overall

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

WestJet
7.5
Good
2,869 reviews
WestJet
7.5
Good
2,869 reviews
Check prices

Food

6.4

Entertainment

6.4

Overall

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Air Canada
7.0
Good
7,004 reviews
WestJet
7.5
Good
2,869 reviews
Check prices

Food

6.4

Entertainment

6.4

Overall

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from Hamilton to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Hamilton, Ontario to Seattle for under C$ 500 on Cheapflights?

    Yes, there are multiple flights from Hamilton, Ontario to Seattle for under C$ 500. The cheapest flight booked recently is on WestJet for just C$ 428, but on average you can expect to pay C$ 513.

  • Are there last-minute flights available from Hamilton, Ontario to Seattle for under C$ 800?

    There are currently 7+ open flights from Hamilton, Ontario to Seattle within the next 7 days for less than C$ 800.

  • What is the cheapest airline to fly from Hamilton, Ontario to Seattle round-trip?

    Cheapflights users have booked flights from Hamilton, Ontario to Seattle round-trip from C$ 428.

  • What does YHM to SEA mean?

    Hamilton Airport is YHM and Seattle/Tacoma Intl Airport is SEA. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Hamilton to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Hamilton to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Hamilton to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Hamilton to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Hamilton to Seattle that include hotel bookings?

    Yes. In addition to deals on Hamilton to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hamilton to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hamilton to Seattle.

  • Can I find deals for business class flights from Hamilton to Seattle?

    Yes. Cheapflights offers flight deals from Hamilton to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Hamilton to Seattle that allow pets onboard?

    Many airlines flying from Hamilton to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Hamilton to Seattle?

    Yes, you can often find last-minute deals on Hamilton to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Hamilton, Ontario to Seattle flight deals updated?

    The Hamilton, Ontario to Seattle flight deals you see on this page were last updated on 30/5.

  • What is the cheapest month to book a flight from Hamilton, Ontario to Seattle?

    Currently, October is the cheapest month in which you can book a flight from Hamilton, Ontario to Seattle (average of C$ 308). Flying from Hamilton, Ontario to Seattle in March is currently the most expensive (average of C$ 420). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Hamilton to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Hamilton to Seattle

Discover the top airline that operate flights from Hamilton to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 552AverageC$ 655FlexibilityNo cancel feeOn-time60%
Search WestJet flights
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Search flights from Hamilton to Seattle by cabin class

Find flights from Hamilton to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hamilton to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hamilton to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hamilton to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Hamilton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Hamilton to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Hamilton to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Hamilton to Seattle become cheaper?

Yes! Start tracking prices for Hamilton to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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