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Cheap flights from Helena to San Francisco from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to San Francisco departing on 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Helena to San Francisco

Cheap round-trip flights

These are some of the best round-trip flight deals from Helena to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Helena to San Francisco.

Cheap last minute flights

Planning a quick getaway from Helena to San Francisco? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Francisco, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Helena to San Francisco

Find recent round-trip train or bus tickets from Helena to San Francisco.

All round-trip flight deals to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
5:50 am - 9:20 amHLN-SFO
4h 30m1 stop
5:16 pm - 11:07 pmSFO-HLN
4h 51m1 stop
$294Delta
Find Deal
Thu, Jan 16 - Mon, Jan 20
4:41 pm - 9:12 pmHLN-SFO
5h 31m1 stop
9:53 pm - 4:04 pmSFO-HLN
17h 11m2 stops
$333Alaska Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
4:07 pm - 11:51 amHLN-SFO
20h 44m2 stops
6:00 am - 2:49 pmSFO-HLN
7h 49m1 stop
$374Alaska Airlines
Find Deal
Sun, Dec 8 - Thu, Dec 19
4:41 pm - 8:00 amHLN-SFO
16h 19m2 stops
2:07 pm - 4:04 pmSFO-HLN
24h 57m2 stops
$387Alaska Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
4:07 pm - 9:22 amHLN-SFO
18h 15m1 stop
6:00 am - 2:49 pmSFO-HLN
7h 49m1 stop
$409Alaska Airlines
Find Deal
Sun, Dec 8 - Thu, Dec 19
4:07 pm - 11:51 amHLN-SFO
20h 44m2 stops
6:00 am - 2:49 pmSFO-HLN
7h 49m2 stops
$413Alaska Airlines
Find Deal
Sun, Dec 8 - Thu, Dec 19
2:42 pm - 8:08 pmHLN-SFO
6h 26m1 stop
6:00 am - 3:09 pmSFO-HLN
8h 09m1 stop
$556Alaska Airlines
Find Deal
Mon, Nov 18 - Fri, Nov 22
2:32 pm - 10:55 pmHLN-SFO
9h 23m1 stop
2:25 pm - 9:17 pmSFO-HLN
5h 52m1 stop
$561United Airlines
Find Deal
Sat, Nov 16 - Tue, Nov 19
2:42 pm - 5:23 pmHLN-SFO
27h 41m2 stops
6:00 am - 3:09 pmSFO-HLN
8h 09m1 stop
$600Alaska Airlines
Find Deal
Mon, Nov 18 - Fri, Nov 22
2:42 pm - 9:17 amHLN-SFO
19h 35m1 stop
7:55 pm - 2:04 pmSFO-HLN
17h 09m2 stops
$692Alaska Airlines
Find Deal
Sat, Nov 16 - Tue, Nov 19
5:45 am - 9:20 amHLN-SFO
4h 35m1 stop
$147Delta
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Sun, Dec 22
1:25 pm - 6:20 pmHLN-SFO
5h 55m1 stop
$178Delta
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Mon, Dec 23
5:45 am - 9:20 amHLN-SFO
4h 35m1 stop
$284Delta
Find Deal
Tue, Dec 24
5:45 am - 3:47 pmHLN-SFO
11h 02m2 stops
$554Delta
Find Deal
Sun, Dec 22

Alaska Airlines flights from Helena to San Francisco

Our best Alaska Airlines deals on Helena to San Francisco flight tickets
Alaska Airlines
Jan 16
HLN4:41 pmHelena
5h 31m
1 stop
SFO9:12 pmSan Francisco
Jan 20
SFO9:53 pmSan Francisco
17h 11m
2 stops
HLN4:04 pmHelena
Alaska Airlines
Dec 8
HLN4:07 pmHelena
20h 44m
2 stops
SFO11:51 amSan Francisco
Dec 19
SFO6:00 amSan Francisco
7h 49m
1 stop
HLN2:49 pmHelena
Alaska Airlines
Jan 16
HLN4:41 pmHelena
16h 19m
2 stops
SFO8:00 amSan Francisco
Jan 20
SFO2:07 pmSan Francisco
24h 57m
2 stops
HLN4:04 pmHelena

How to get the cheapest flight ticket from Helena to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Helena to San Francisco?

January. The cheapest time of year to fly to San Francisco from Helena is January. Most expensive is March

What is the cheapest day to depart Helena for San Francisco?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday

When is the cheapest time to fly from Helena to San Francisco?

At noon. Helena to San Francisco flights are approximately 14% more expensive in the morning than at noon

What is the cheapest airline that flies to San Francisco from Helena?

Delta. Delta is the most popular carrier operating from Helena to San Francisco

What is the cheapest Helena to San Francisco flight route?

Helena - San Francisco. Fly from Helena to San Francisco for the best Helena - San Francisco flight prices

When to book flights from Helena to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to San Francisco (HLN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to San Francisco

Best Price Found

$147

Fastest flight time

4h 30m

Direct flights

None

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Helena in the past 72 hours is $147. The best round-trip flight deal from Helena to San Francisco found on momondo in the last 72 hours is $294.
The fastest flight from Helena to San Francisco takes 4h 30m
There are no direct flights from Helena to San Francisco. Popular non-direct route for this connection is Helena Airport - San Francisco Airport.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is Helena to San Francisco by plane?

    The distance between Helena and San Francisco is about 805.5 mi. 4h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Helena Airport to San Francisco Airport?

    Prices for flights from Helena Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Helena Airport to San Francisco Airport?

  • How old do you have to be to fly from Helena Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Helena to San Francisco?


Best airlines flying from Helena to San Francisco

Compare and see reviews for airlines that fly from Helena to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $276Free CancellationRating
8.0
8,829 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Helena to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Helena.

Can I find flights from Helena to San Francisco with flexible booking policies on momondo?

All flight searches from Helena to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Helena. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Helena to San Francisco right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco from Helena are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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