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Cheap flights from Idaho to Hamilton, ON from C$ 521

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YHM
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho to Hamilton

Enter your travel dates to find the best prices.

Cheapest flights from Idaho to Hamilton
Explore the most affordable flight options available from Idaho to Hamilton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Sat 4/46:00 a.m.
GEG
-
YHM
2 stops10h 00m
Multiple Airlines
Tue 7/48:15 a.m.
YHM
-
GEG
2 stops18h 44m
Multiple Airlines
Deal found 26/1C$ 1,045
Tue 24/36:00 a.m.
BOI
-
YHM
2 stops15h 35m
Multiple Airlines
Sun 29/38:15 a.m.
YHM
-
BOI
2 stops17h 41m
Multiple Airlines
Deal found 27/1C$ 1,142
Thu 19/28:10 a.m.
GEG
-
YHM
2 stops12h 25m
Multiple Airlines
Tue 24/25:50 a.m.
YHM
-
GEG
2 stops15h 55m
Multiple Airlines
Deal found 28/1C$ 1,219
Mon 16/25:40 a.m.
GEG
-
YHM
2 stops13h 38m
Multiple Airlines
Wed 18/28:15 a.m.
YHM
-
GEG
2 stops17h 46m
Multiple Airlines
Deal found 27/1C$ 1,227
Tue 23/66:00 a.m.
GEG
-
YHM
2 stops13h 24m
Multiple Airlines
Sat 4/77:25 a.m.
YHM
-
GEG
2 stops12h 29m
Multiple Airlines
Deal found 27/1C$ 1,447
Sun 15/311:30 a.m.
GEG
-
YHM
2 stops26h 46m
WestJet
Thu 19/36:10 p.m.
YHM
-
GEG
2 stops27h 55m
WestJet
Deal found 26/1C$ 1,530
Thu 2/76:20 a.m.
BOI
-
YHM
2 stops14h 04m
Multiple Airlines
Mon 6/78:35 p.m.
YHM
-
BOI
2 stops17h 53m
Multiple Airlines
Deal found 27/1C$ 1,598
Mon 2/26:23 a.m.
BOI
-
YHM
2 stops13h 55m
Multiple Airlines
Mon 9/28:15 a.m.
YHM
-
BOI
2 stops17h 44m
Multiple Airlines
Deal found 28/1C$ 1,960
Wed 28/11:40 p.m.
BOI
-
YHM
2 stops25h 37m
WestJet
Sun 1/26:10 p.m.
YHM
-
BOI
2 stops26h 18m
WestJet
Deal found 26/1C$ 2,756

Find flight deals from Idaho to Hamilton

Keep the following information in mind while searching for Idaho to Hamilton flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 1,045

One-way from

C$ 521

Popular in

May

Cheapest in

June

Average price

C$ 785
4/4-7/4
  • 4/4-7/4
  • 4 total stops
  • 28h 44m total
  • Idaho to Hamilton
Search Deals
17/5
  • 17/5
  • 2 total stops
  • 13h 24m total
  • Idaho to Hamilton
Search Deals
High demand for flights, 18% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Hamilton 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 629,999 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from Idaho to Hamilton that are best for you.

Fly from

Idaho

Fly to

Hamilton

Route

Depart

Return

Price

SpokaneHamilton

GEG - YHM

GEGYHM

Spokane

Sat 4/4

6:00 a.m.-7:00 p.m.

2 stops10h 00m

Hamilton

Tue 7/4

8:15 a.m.-11:59 p.m.

2 stops18h 44m

C$ 1,045

BoiseHamilton

BOI - YHM

BOIYHM

Boise Air Term. Gowen Fld

Tue 24/3

6:00 a.m.-11:35 p.m.

2 stops15h 35m

Hamilton

Sun 29/3

8:15 a.m.-11:56 p.m.

2 stops17h 41m

C$ 1,142

SpokaneHamilton

GEG - YHM

GEGYHM

Spokane

Thu 19/2

8:10 a.m.-11:35 p.m.

2 stops12h 25m

Hamilton

Tue 24/2

5:50 a.m.-6:45 p.m.

2 stops15h 55m

C$ 1,219

SpokaneHamilton

GEG - YHM

GEGYHM

Spokane

Mon 16/2

5:40 a.m.-10:18 p.m.

2 stops13h 38m

Hamilton

Wed 18/2

8:15 a.m.-11:01 p.m.

2 stops17h 46m

C$ 1,227

SpokaneHamilton

GEG - YHM

GEGYHM

Spokane

Tue 23/6

6:00 a.m.-10:24 p.m.

2 stops13h 24m

Hamilton

Sat 4/7

7:25 a.m.-4:54 p.m.

2 stops12h 29m

C$ 1,447

SpokaneHamilton

GEG - YHM

GEGYHM

Spokane

Sun 15/3

11:30 a.m.-5:16 p.m.

2 stops26h 46m

Hamilton

Thu 19/3

6:10 p.m.-7:05 p.m.

2 stops27h 55m

C$ 1,530

BoiseHamilton

BOI - YHM

BOIYHM

Boise Air Term. Gowen Fld

Thu 2/7

6:20 a.m.-10:24 p.m.

2 stops14h 04m

Hamilton

Mon 6/7

8:35 p.m.-12:28 p.m.

2 stops17h 53m

C$ 1,598

SpokaneHamilton

GEG - YHM

GEGYHM

Spokane

Sun 17/5

6:00 a.m.-10:24 p.m.

2 stops13h 24m

C$ 521

BoiseHamilton

BOI - YHM

BOIYHM

Boise Air Term. Gowen Fld

Sat 14/3

9:52 a.m.-11:35 p.m.

2 stops11h 43m

C$ 1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Best time to book a flight from Idaho to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from Idaho 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 Idaho to Hamilton

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

Currently, February is the cheapest month in which you can book a flight from Idaho to Hamilton, Ontario (average of C$ 209). Flying from Idaho to Hamilton, Ontario in August is currently the most expensive (average of C$ 615). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Hamilton. 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 into for flights to Hamilton from Idaho?

    For a flight from Idaho to Hamilton, you will be flying into Hamilton. Hamilton (YHM) is just 10.9 km from the centre of the city.

  • How long is the flight from Idaho to Hamilton, Ontario?

    Departing from Idaho to Hamilton, Ontario will take you 26h 46m. The distance between Idaho and Hamilton, Ontario is about 2945 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Hamilton 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 Idaho to Hamilton, Ontario?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Hamilton, Ontario (average of C$ 209). Flying from Idaho to Hamilton, Ontario in August is currently the most expensive (average of C$ 615). 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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How does Cheapflights help users find flights from Idaho to Hamilton?

Deals for Idaho to Hamilton flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Idaho to Hamilton flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Idaho to Hamilton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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