Which city has the cheapest flights to Helena?

Based on fares booked in the past 5 days, the cheapest flights to Helena are from Toronto, starting at C$ 961 round-trip.

How do I know if a flight to Helena is a good deal?

A good deal on a flight to Helena is around C$ 928 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What is the cheapest flight to Helena?

Toronto Pearson Intl Airport to Helena is the cheapest route at C$ 961 round-trip, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Helena?

On average, a round-trip flight from Canada to Helena costs C$ 1,229, based on KAYAK data over the past 12 months. Round-trip fares from Grande Prairie average C$ 1,247, while Toronto runs a bit higher at C$ 1,384.

What is the cheapest day to fly to Helena?

Sunday is the cheapest day to fly to Helena at C$ 815 round-trip on average over the past 12 months on KAYAK. Monday is the most expensive at C$ 1,673.

What is the cheapest time of day to fly to Helena?

Afternoon flights to Helena are the cheapest at C$ 864 round-trip on average. Morning flights are the most expensive at C$ 1,343.

What are the most popular airlines flying to Helena?

United Airlines is the most popular airline flying to Helena on KAYAK, followed by Delta.

C$ 534 CHEAP FLIGHTS to Helena in 2026/27

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

C$ 961

Typical prices: C$ 928-C$ 1,392

United Airlines

Tue 9/1Fri 12/1

YYZ - HLN • 1 stop

Cheapest one-way flights

C$ 485

Typical prices: C$ 400-C$ 827

Multiple Airlines

Sat 1/12

YYZ - HLN • 2 stops

Top airlines

Delta

Best reviews • 7.8 score

Airline reviews

Top routes

YQU - HLN

Cheapest • 13% average savings

YTO - HLN

Most popular

Insights

When to travel

October

Cheapest • 34% price drop

July

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Helena!

Flight Deals

Cheap Flights to Helena

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

All Flight Deals

Recent round-trip flight deals to Helena

Sat, 9 Jan - Tue, 12 Jan

6:45 a.m. - 1:40 p.m.Toronto Toronto Pearson Intl-Helena Helena

8h 55m2 stops Chicago O'Hare Intl Denver Intl

6:15 a.m. - 7:01 p.m.Helena Helena-Toronto Toronto Pearson Intl

10h 46m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 961United Airlines

3+ days ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 7:59 p.m.Helena Helena-Toronto Toronto Pearson Intl

11h 44m2 stops Denver Intl Newark

C$ 961United Airlines

3+ days ago

Sat, 9 Jan - Tue, 12 Jan

10:53 a.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

12h 39m2 stops Chicago O'Hare Intl Denver Intl

6:15 a.m. - 4:47 p.m.Helena Helena-Toronto Toronto Pearson Intl

8h 32m2 stops Denver Intl Chicago O'Hare Intl

C$ 961United Airlines

2 days ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 3:02 p.m.Helena Helena-Toronto Toronto Pearson Intl

6h 47m1 stop Denver Intl

C$ 961United Airlines

3+ days ago

Sat, 9 Jan - Tue, 12 Jan

10:00 a.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

13h 32m2 stops Washington, D.C. Dulles Intl Denver Intl

6:15 a.m. - 11:13 a.m.Helena Helena-Toronto Toronto Pearson Intl

26h 58m2 stops Denver Intl Washington, D.C. Reagan-National

C$ 975United Airlines

2 days ago

Sat, 9 Jan - Tue, 12 Jan

7:20 a.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

16h 12m2 stops Washington, D.C. Reagan-National Denver Intl

2:27 p.m. - 5:57 p.m.Helena Helena-Toronto Toronto Pearson Intl

25h 30m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 976United Airlines

23 hours ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 7:59 p.m.Helena Helena-Toronto Toronto Pearson Intl

11h 44m2 stops Denver Intl Newark

C$ 984United Airlines

2 days ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 3:02 p.m.Helena Helena-Toronto Toronto Pearson Intl

6h 47m1 stop Denver Intl

C$ 984United Airlines

2 days ago

Mon, 7 Dec - Mon, 14 Dec

5:15 p.m. - 4:12 p.m.Toronto Toronto Pearson Intl-Helena Helena

24h 57m1 stop Seattle/Tacoma Intl

4:49 p.m. - 4:05 p.m.Helena Helena-Toronto Toronto Pearson Intl

21h 16m1 stop Seattle/Tacoma Intl

C$ 1,406Alaska Airlines

1 day ago

Mon, 7 Dec - Mon, 14 Dec

3:22 p.m. - 4:12 p.m.Toronto Toronto Pearson Intl-Helena Helena

26h 50m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

4:49 p.m. - 4:05 p.m.Helena Helena-Toronto Toronto Pearson Intl

21h 16m1 stop Seattle/Tacoma Intl

C$ 1,603Alaska Airlines

1 day ago

All round-trip flight deals to Helena

Sat, 9 Jan - Tue, 12 Jan

6:45 a.m. - 1:40 p.m.Toronto Toronto Pearson Intl-Helena Helena

8h 55m2 stops Chicago O'Hare Intl Denver Intl

6:15 a.m. - 7:01 p.m.Helena Helena-Toronto Toronto Pearson Intl

10h 46m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 961United Airlines

3+ days ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 7:59 p.m.Helena Helena-Toronto Toronto Pearson Intl

11h 44m2 stops Denver Intl Newark

C$ 961United Airlines

3+ days ago

Sat, 9 Jan - Tue, 12 Jan

10:53 a.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

12h 39m2 stops Chicago O'Hare Intl Denver Intl

6:15 a.m. - 4:47 p.m.Helena Helena-Toronto Toronto Pearson Intl

8h 32m2 stops Denver Intl Chicago O'Hare Intl

C$ 961United Airlines

2 days ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 3:02 p.m.Helena Helena-Toronto Toronto Pearson Intl

6h 47m1 stop Denver Intl

C$ 961United Airlines

3+ days ago

Sat, 9 Jan - Tue, 12 Jan

10:00 a.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

13h 32m2 stops Washington, D.C. Dulles Intl Denver Intl

6:15 a.m. - 11:13 a.m.Helena Helena-Toronto Toronto Pearson Intl

26h 58m2 stops Denver Intl Washington, D.C. Reagan-National

C$ 975United Airlines

2 days ago

Sat, 9 Jan - Tue, 12 Jan

7:20 a.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

16h 12m2 stops Washington, D.C. Reagan-National Denver Intl

2:27 p.m. - 5:57 p.m.Helena Helena-Toronto Toronto Pearson Intl

25h 30m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 976United Airlines

23 hours ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 7:59 p.m.Helena Helena-Toronto Toronto Pearson Intl

11h 44m2 stops Denver Intl Newark

C$ 984United Airlines

2 days ago

Sat, 9 Jan - Tue, 12 Jan

4:10 p.m. - 9:32 p.m.Toronto Toronto Pearson Intl-Helena Helena

7h 22m1 stop Denver Intl

6:15 a.m. - 3:02 p.m.Helena Helena-Toronto Toronto Pearson Intl

6h 47m1 stop Denver Intl

C$ 984United Airlines

2 days ago

Mon, 7 Dec - Mon, 14 Dec

5:15 p.m. - 4:12 p.m.Toronto Toronto Pearson Intl-Helena Helena

24h 57m1 stop Seattle/Tacoma Intl

4:49 p.m. - 4:05 p.m.Helena Helena-Toronto Toronto Pearson Intl

21h 16m1 stop Seattle/Tacoma Intl

C$ 1,406Alaska Airlines

1 day ago

Mon, 7 Dec - Mon, 14 Dec

3:22 p.m. - 4:12 p.m.Toronto Toronto Pearson Intl-Helena Helena

26h 50m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

4:49 p.m. - 4:05 p.m.Helena Helena-Toronto Toronto Pearson Intl

21h 16m1 stop Seattle/Tacoma Intl

C$ 1,603Alaska Airlines

1 day ago

Booking Insights

Price, demand, and travel trends for flights to Helena

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to Helena?: Toronto Pearson Intl Airport to Helena is the cheapest route at C$ 961 round-trip, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.
How much is a flight to Helena? Average and cheapest price for all round-trip flights to Helena from each origin found by users searching on KAYAK in the last 12 months.: On average, a round-trip flight from Canada to Helena costs C$ 1,229, based on KAYAK data over the past 12 months. Round-trip fares from Grande Prairie average C$ 1,247, while Toronto runs a bit higher at C$ 1,384.
What is the cheapest day to fly to Helena?: Sunday is the cheapest day to fly to Helena at C$ 815 round-trip on average over the past 12 months on KAYAK. Monday is the most expensive at C$ 1,673.
What is the cheapest time of day to fly to Helena? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Afternoon flights to Helena are the cheapest at C$ 864 round-trip on average. Morning flights are the most expensive at C$ 1,343.

Find deals

Low season	January
High season	July
Cheapest flight	C$ 485

Beat the crowds with an average 86% drop in traveller numbers.

The most popular month to fly with an average 51% increase in traveller numbers.

One-way flight from Toronto Pearson Intl Airport to Helena

When to book flights to Helena

Are your dates flexible? Find out the best times to travel to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Helena based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Helena is a good deal?
A good deal on a flight to Helena is around C$ 928 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Which city has the cheapest flights to Helena?
Based on fares booked in the past 5 days, the cheapest flights to Helena are from Toronto, starting at C$ 961 round-trip.

For flights to Helena, a good round-trip fare is around C$ 928. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Helena in October. Round-trip fares historically average C$ 815, making October the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat selection costs on budget carriers.
• Verify whether you need any travel documents beyond an ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to noon to save up to C$ 479 per round-trip. Noon flights to Helena average C$ 864 compared to C$ 1,343 for morning flights.