HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$105+ Cheap flights from Hamilton, ON (YHM) to Washington

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hamilton to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Hamilton to Washington

Keep the following information in mind while searching for Hamilton to Washington flight deals. Data was last updated junio 12, 2025.

Round-trip from

$172
(Trip.com)

One-way from

$105
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$408
From Hamilton to Washington
Search Deals
One-way flight from Hamilton to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Hamilton to Washington

Cheapest flights from Hamilton to Washington
Explore the most affordable flight options available from Hamilton to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/126:00 amYHM - PDX
1 stop10h 05mWestJet
jue. 8/211:45 pmPDX - YHM
1 stop7h 56mWestJet
Deal found 6/9$172
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/206:00 amYHM - SEA
1 stop9h 58mWestJet
jue. 10/231:50 pmSEA - YHM
1 stop7h 50mWestJet
Deal found 6/10$215
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/165:45 pmYHM - PDX
1 stop8h 16mMultiple Airlines
jue. 7/171:45 pmPDX - YHM
1 stop7h 56mMultiple Airlines
Deal found 6/10$389
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/196:00 amYHM - SEA
1 stop16h 17mMultiple Airlines
jue. 6/267:05 amSEA - YHM
1 stop13h 43mMultiple Airlines
Deal found 6/9$449

Cheapflights Fare Finder

Customize your flight search to find flights from Hamilton to 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, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Hamilton to Washington that are best for you.

Fly from

Hamilton

Fly to

Washington

Route

Depart

Return

Price

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

mar. 8/12

6:00 am-1:05 pm

1 stop10h 05m

Portland

jue. 8/21

1:45 pm-12:41 am

1 stop7h 56m

$172

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mié. 8/20

6:00 am-12:58 pm

1 stop9h 58m

Seattle/Tacoma Intl

jue. 10/23

1:50 pm-12:40 am

1 stop7h 50m

$215

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

mié. 7/16

5:45 pm-11:01 pm

1 stop8h 16m

Portland

jue. 7/17

1:45 pm-12:41 am

1 stop7h 56m

$389

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mar. 7/1

2:55 pm-8:28 pm

2 stops32h 33m

Seattle/Tacoma Intl

vie. 7/11

1:15 pm-11:53 pm

1 stop7h 38m

$456

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

dom. 8/24

6:00 am-1:05 pm

1 stop10h 05m

$105

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

mar. 9/23

6:00 am-12:59 pm

1 stop9h 59m

$131

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

dom. 7/20

2:55 pm-12:58 pm

2 stops25h 03m

$229

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

vie. 7/18

6:00 am-2:15 pm

3 stops35h 15m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Hamilton to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Hamilton to Washington

What is the cheapest month to book a flight from Hamilton, Ontario to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of $238). Flying from Hamilton, Ontario to State of Washington in July is currently the most expensive (average of $391). 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated junio 12, 2025.
WestJet
7.2
Good
2,868 reviews

Food

6.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Comfort

7.1

Overall

7.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,868 reviews
WestJet
7.2
Good
2,868 reviews

Food

6.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Comfort

7.1

Overall

7.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

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

  • What airport do you fly from for flights from Hamilton to Washington?

    Located just 6.8 mi from the city center, Hamilton (YHM) is the airport most travelers will use when flying to Washington from Hamilton.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Hamilton, Ontario to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of $238). Flying from Hamilton, Ontario to State of Washington in July is currently the most expensive (average of $391). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hamilton to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Newark flights
Pearson Intl to John F Kennedy Intl flights
Toronto Island to Newark flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Los Angeles flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Orlando flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to San Francisco flights
Pearson Intl to Seattle flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Boston flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Hobby flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to George Bush Intcntl flights
Toronto Island to Fort Lauderdale flights
Toronto Island to Boston flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pearson Intl to Atlanta flights
Toronto Island to Orlando flights
Toronto Island to Midway flights
Pearson Intl to Denver flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to Midway flights
Pearson Intl to San Diego flights
Pearson Intl to Nashville flights
Pearson Intl to Tampa flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pearson Intl to Honolulu flights
Pearson Intl to Philadelphia flights
Pierre Elliott Trudeau Intl to Nashville flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Seattle flights
Toronto Island to Dulles Intl flights
Pierre Elliott Trudeau Intl to Boston flights
Ottawa to Newark flights
Pierre Elliott Trudeau Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Hobby flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.