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Cheap flights from Hamilton to Seattle from C$ 234

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
25 May — 1 Jun1
1 adult
Sat 25/5
Sat 1/6

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 20 May 2024.

Round-trip from

C$ 412

One-way from

C$ 234
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 7% 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$ 777 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$ 917 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$ 509. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Hamilton, Ontario to Seattle (YHM - 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 406,307 searches. Data last updated 20 May 2024.
Tue 1/106:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 8/107:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 20/5C$ 407
Thu 19/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Fri 27/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 19/5C$ 448
Sat 7/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 10/97:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 18/5C$ 450
Fri 23/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Wed 28/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 19/5C$ 459
Fri 23/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 27/87:00 a.m.SEA - YHM
1 stop14h 15mWestJet
Deal found 19/5C$ 464
Tue 13/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 20/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 19/5C$ 470
Fri 23/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Mon 26/87:00 a.m.SEA - YHM
1 stop14h 15mWestJet
Deal found 19/5C$ 485
Sat 3/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Sat 24/86:15 p.m.SEA - YHM
1 stop27h 00mWestJet
Deal found 20/5C$ 502
Sat 7/96:05 p.m.YHM - SEA
2 stops23h 41mWestJet
Tue 10/97:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 18/5C$ 504

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 406,307 searches. Prices were last updated on 20 May 2024.
Tue 11/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Tue 18/67:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 19/5C$ 555
Wed 5/67:15 a.m.YHM - SEA
1 stop16h 05mWestJet
Thu 13/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 18/5C$ 596
Wed 26/66:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Sat 29/67:00 a.m.SEA - YHM
1 stop14h 15mWestJet
Deal found 19/5C$ 610
Wed 26/66:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Sun 30/67:00 a.m.SEA - YHM
1 stop14h 15mWestJet
Deal found 19/5C$ 648
Wed 26/66:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Sun 30/63:30 p.m.SEA - YHM
2 stops29h 45mWestJet
Deal found 19/5C$ 668
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Wed 26/61:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 20/5C$ 672
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Sat 22/67:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 19/5C$ 675
Wed 12/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Wed 19/67:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 19/5C$ 695
Fri 31/56:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Sun 9/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 19/5C$ 721

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 406,307 searches. Data last updated 20 May 2024.
Tue 1/106:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 8/107:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 20/5C$ 407
Thu 19/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Fri 27/97:00 a.m.SEA - YHM
1 stop7h 13mWestJet
Deal found 19/5C$ 448
Sat 7/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 10/97:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 18/5C$ 450
Fri 23/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Wed 28/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 19/5C$ 459
Fri 23/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 27/87:00 a.m.SEA - YHM
1 stop14h 15mWestJet
Deal found 19/5C$ 464
Tue 13/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Tue 20/81:50 p.m.SEA - YHM
1 stop7h 25mWestJet
Deal found 19/5C$ 470
Fri 23/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Mon 26/87:00 a.m.SEA - YHM
1 stop14h 15mWestJet
Deal found 19/5C$ 485
Sat 3/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Sat 24/86:15 p.m.SEA - YHM
1 stop27h 00mWestJet
Deal found 20/5C$ 502
Sat 7/96:05 p.m.YHM - SEA
2 stops23h 41mWestJet
Tue 10/97:00 a.m.SEA - YHM
1 stop7h 01mWestJet
Deal found 18/5C$ 504

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 406,307 searches. Data last updated 20 May 2024.
Wed 29/56:05 p.m.YHM - SEA
1 stop29h 15mWestJet
Wed 5/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 19/5C$ 847
Sun 26/56:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Sun 2/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 19/5C$ 925
Sun 26/56:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Sun 2/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 19/5C$ 953
Sun 26/56:05 p.m.YHM - SEA
2 stops23h 44mWestJet
Sun 2/67:00 a.m.SEA - YHM
1 stop7h 15mWestJet
Deal found 19/5C$ 1,064
Tue 28/56:05 p.m.YHM - SEA
1 stop21h 51mWestJet
Sat 1/61:50 p.m.SEA - YHM
1 stop24h 25mWestJet
Deal found 20/5C$ 1,817

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 406,307 searches. Data last updated 20 May 2024.
Wed 21/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Deal found 19/5C$ 234
Thu 22/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Deal found 19/5C$ 253
Sat 14/96:05 p.m.YHM - SEA
2 stops23h 43mWestJet
Deal found 19/5C$ 271
Thu 26/96:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Deal found 19/5C$ 276
Fri 15/114:10 p.m.YHM - SEA
1 stop23h 50mWestJet
Deal found 19/5C$ 290
Sat 3/86:00 a.m.YHM - SEA
1 stop9h 56mWestJet
Deal found 19/5C$ 293
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Deal found 19/5C$ 308
Tue 18/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Deal found 19/5C$ 309
Wed 19/67:15 a.m.YHM - SEA
1 stop8h 41mWestJet
Deal found 20/5C$ 324

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 406,307 searches. Data last updated 20 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 407 - C$ 802

Route

Depart

Return

Price

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Tue 1/10

1 stop9h 56m

Seattle/Tacoma Intl

Tue 8/10

1 stop7h 13m

C$ 407

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Thu 19/9

1 stop9h 56m

Seattle/Tacoma Intl

Fri 27/9

1 stop7h 13m

C$ 448

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Sat 7/9

1 stop9h 56m

Seattle/Tacoma Intl

Tue 10/9

1 stop7h 01m

C$ 450

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Fri 23/8

1 stop9h 56m

Seattle/Tacoma Intl

Wed 28/8

1 stop7h 25m

C$ 459

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Fri 23/8

1 stop9h 56m

Seattle/Tacoma Intl

Tue 27/8

1 stop14h 15m

C$ 464

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Tue 13/8

1 stop9h 56m

Seattle/Tacoma Intl

Tue 20/8

1 stop7h 25m

C$ 470

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Fri 23/8

1 stop9h 56m

Seattle/Tacoma Intl

Mon 26/8

1 stop14h 15m

C$ 485

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Sat 3/8

1 stop9h 56m

Seattle/Tacoma Intl

Sat 24/8

1 stop27h 00m

C$ 502

HamiltonSeattle/Tacoma Intl

YHM - SEA

YHMSEA

Hamilton

Thu 20/6

2 stops13h 37m

Seattle/Tacoma Intl

Tue 25/6

1 stop14h 15m

C$ 802

Flights are sorted by cheapest first

Deals found on 20/5

When is the cheapest time 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 12 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.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Hamilton to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Hamilton to Seattle is currently C$ 284 while a round-trip flight costs C$ 498. Price data was last updated on 19 May 2024.

Currently, October is the cheapest month in which you can book a flight from Hamilton, Ontario to Seattle (average of C$ 302). 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.

January

C$ 444

February

C$ 459

March

C$ 572

April

C$ 561

May

C$ 436

June

C$ 487

July

C$ 546

August

C$ 557

September

C$ 543

October

C$ 411

November

C$ 430

December

C$ 480

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 20 May 2024.
WestJet
7.5
Good
2,895 reviews
Check prices

Comfort

7.3

Entertainment

6.5

Boarding

7.7

Crew

8.2

Overall

7.5

Food

6.5

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
2,895 reviews
WestJet
7.5
Good
2,895 reviews
Check prices

Comfort

7.3

Entertainment

6.5

Boarding

7.7

Crew

8.2

Overall

7.5

Food

6.5

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$ 407, but on average you can expect to pay C$ 513.

  • Are there last-minute flights available from Hamilton, Ontario to Seattle for under C$ 900?

    There are currently 5+ open flights from Hamilton, Ontario to Seattle within the next 7 days for less than C$ 900.

  • 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$ 407.

  • 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 20/5.

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 406,307 searches. Data last updated 20 May 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 549AverageC$ 651FlexibilityNo 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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