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Cheap flights from Helena to San Francisco from $254

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to San Francisco departing on 12/14. 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.
1:00 pm - 4:17 pmHLN-SFO
4h 17m1 stop
5:30 am - 12:45 pmSFO-HLN
6h 15m1 stop
$254Delta
Find Deal
Sat, Dec 14 - Sat, Jan 18
4:41 pm - 10:11 pmHLN-SFO
6h 30m1 stop
9:00 am - 4:23 pmSFO-HLN
6h 23m1 stop
$274Alaska Airlines
Find Deal
Wed, Jan 29 - Sun, Feb 16
4:41 pm - 12:52 pmHLN-SFO
21h 11m2 stops
6:00 am - 4:23 pmSFO-HLN
9h 23m1 stop
$294Alaska Airlines
Find Deal
Wed, Jan 29 - Sun, Feb 16
4:41 pm - 12:52 pmHLN-SFO
21h 11m2 stops
7:30 am - 4:23 pmSFO-HLN
7h 53m2 stops
$322Alaska Airlines
Find Deal
Wed, Jan 29 - Sun, Feb 16
4:07 pm - 9:22 amHLN-SFO
18h 15m1 stop
7:36 pm - 4:04 pmSFO-HLN
19h 28m2 stops
$422Alaska Airlines
Find Deal
Sat, Dec 14 - Sat, Jan 18
4:07 pm - 11:51 amHLN-SFO
20h 44m2 stops
7:36 pm - 4:04 pmSFO-HLN
19h 28m2 stops
$442Alaska Airlines
Find Deal
Sat, Dec 14 - Sat, Jan 18
6:25 am - 11:03 pmHLN-SFO
17h 38m1 stop
5:00 am - 1:45 pmSFO-HLN
7h 45m1 stop
$611United Airlines
Find Deal
Sat, Dec 21 - Sat, Dec 28
5:30 am - 9:20 amHLN-SFO
4h 50m1 stop
5:12 pm - 10:52 pmSFO-HLN
4h 40m1 stop
$681Delta
Find Deal
Sat, Dec 14 - Sat, Dec 21
6:25 am - 7:54 pmHLN-SFO
14h 29m2 stops
5:00 am - 1:45 pmSFO-HLN
7h 45m1 stop
$716United Airlines
Find Deal
Sat, Dec 21 - Sat, Dec 28
1:25 pm - 8:02 pmHLN-SFO
7h 37m2 stops
2:12 pm - 10:52 pmSFO-HLN
7h 40m2 stops
$2,025Delta
Find Deal
Sat, Dec 21 - Sat, Dec 28
HLN-SFO
816 mimulti-stop
Multiple Airlines
Find Deal
1:10 pm - 4:23 pmHLN-SFO
4h 13m1 stop
5:12 pm - 10:37 pmSFO-HLN
4h 25m1 stop
$854Delta
Find Deal
Tue, Nov 26 - Fri, Nov 29
6:30 am - 11:25 amHLN-SFO
5h 55m1 stop
8:00 am - 9:17 pmSFO-HLN
12h 17m2 stops
$898United Airlines
Find Deal
Tue, Nov 26 - Fri, Nov 29
1:10 pm - 9:18 pmHLN-SFO
9h 08m2 stops
2:25 pm - 10:37 pmSFO-HLN
7h 12m2 stops
$1,585Delta
Find Deal
Tue, Nov 26 - Fri, Nov 29

Delta flights from Helena to San Francisco

Our best Delta deals on Helena to San Francisco flight tickets
Delta
Dec 14
HLN1:00 pmHelena
4h 17m
1 stop
SFO4:17 pmSan Francisco
Jan 18
SFO5:30 amSan Francisco
6h 15m
1 stop
HLN12:45 pmHelena
Delta
Dec 14
HLN5:30 amHelena
4h 50m
1 stop
SFO9:20 amSan Francisco
Dec 21
SFO5:12 pmSan Francisco
4h 40m
1 stop
HLN10:52 pmHelena
Delta
Nov 26
HLN1:10 pmHelena
4h 13m
1 stop
SFO4:23 pmSan Francisco
Nov 29
SFO5:12 pmSan Francisco
4h 25m
1 stop
HLN10:37 pmHelena

Alaska Airlines flights from Helena to San Francisco

Our best Alaska Airlines deals on Helena to San Francisco flight tickets
Alaska Airlines
Jan 29
HLN4:41 pmHelena
6h 30m
1 stop
SFO10:11 pmSan Francisco
Feb 16
SFO9:00 amSan Francisco
6h 23m
1 stop
HLN4:23 pmHelena
Alaska Airlines
Jan 29
HLN4:41 pmHelena
21h 11m
2 stops
SFO12:52 pmSan Francisco
Feb 16
SFO6:00 amSan Francisco
9h 23m
1 stop
HLN4:23 pmHelena
Alaska Airlines
Jan 29
HLN4:41 pmHelena
21h 11m
2 stops
SFO12:52 pmSan Francisco
Feb 16
SFO7:30 amSan Francisco
7h 53m
2 stops
HLN4:23 pmHelena

See travel insights to San Francisco from

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 day to depart on your flight to San Francisco?

The cheapest day to depart from Helena to San Francisco is on a Tuesday when prices can be found for as low as $0. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $682.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Helena to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $0. Flights in the morning are often more expensive with an average ticket price of $401.

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

$254

Fastest flight time

4h 17m

Direct flights

None

Airports in San Francisco

1 airport
The best flight deal from Helena to San Francisco found on momondo in the last 72 hours is $254
The fastest flight from Helena to San Francisco takes 4h 17m
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 17m 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 $316Free CancellationRating
8.0
8,755 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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