Find Cheap Flights from Helena to San Diego (HLN - SAN)

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Good to Know

Average Price:
$353
(avg. price over the last 2 weeks)
Good Deal:
$269
or less (round trip)

When to Book Flights from Helena to San Diego

Flight prices as travel date approaches
-1 day
-2 days

Top tips for Finding a Cheap Flight

Looking for a cheap flight? 25% of our users found flights on this route for $268 or less.
The cheapest flight from Helena to San Diego was found 65 days before departure, on average.
Book at least 1 week before departure in order to get a below-average price.
Morning departure is around 8% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking Helena to San Diego Flights

How long does a flight from Helena to San Diego take?
An average nonstop flight takes 3h 55m, covering a distance of 997 miles.
Which airlines provide the cheapest flights from Helena to San Diego?
In the past 3 days, the cheapest round-trip tickets were found on Delta ($278) and Multiple Airlines ($296)
Do I need a passport to fly between Helena and San Diego?
No.
What’s the cheapest day of the week to fly Helena to San Diego?
For Helena to San Diego, Wednesday is the cheapest day to fly on average and Thursday is the most expensive. Flying from San Diego back to Helena, the best deals are generally found on Wednesday, with Sunday being the most expensive.

Book cheap flights from Helena to San Diego (round-trip)

Airports
Origin
Helena
$278
only
$278
Destination
San Diego
$278
only
$278
Wed, Mar 14
HLN
SAN
6h 08m
Wed, Mar 21
SAN
HLN
4h 11m
Trip: 8 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
ATL
EWR
Excellent 8.6

No LCD screen for entertainment.

PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

DEN
JFK
Good 6.3

Comfortable seats. Good entertainment

Going to Denver was delayed and now return trip delayed We were give 3 separate reasons. Poor communication. Just telling me a flight will be delayed is not communication. Lack of a free snack was disappointing. May have to rethink flying Delta next time.

SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

BJX
LAX
Excellent 8.0

I liked the check-in kiosk, but only because I had no bags to check. I liked being able to choose my own seat. I liked that the flight was uneventful. I liked the staff at all stages, they were friendly and helpful.

They made me shove my purse into my knapsack to fit within their two bag policy. That's a first for me. My Delta flight did not do that.

Mon, Apr 30
HLN
SAN
5h 27m
Sat, May 5
SAN
HLN
6h 24m
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Thu, Mar 15
HLN
SAN
6h 08m
Wed, Mar 21
SAN
HLN
4h 11m
Trip: 7 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
EWR
DTW
Mediocre 3.3

I've always wanted to go to all five Manhattan boroughs in one day. Thanks to Delta, that happened.

The plane broke down as we were about to take off. Delta rebooked everyone on to new flights because it was pretty obvious that plane was not going to be fixed in time. The crew did their best given the situation. The situation was absolute bs though - we had to take a cab to JFK for our new flight and do the whole security thing again and all that annoying stuff. Thanks for wasting 8 hours of my life, Delta.

BJX
LAX
Excellent 8.0

I liked the check-in kiosk, but only because I had no bags to check. I liked being able to choose my own seat. I liked that the flight was uneventful. I liked the staff at all stages, they were friendly and helpful.

They made me shove my purse into my knapsack to fit within their two bag policy. That's a first for me. My Delta flight did not do that.

DEN
JFK
Good 6.3

Comfortable seats. Good entertainment

Going to Denver was delayed and now return trip delayed We were give 3 separate reasons. Poor communication. Just telling me a flight will be delayed is not communication. Lack of a free snack was disappointing. May have to rethink flying Delta next time.

PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

ATL
TGU
Mediocre 2.0

The service was horribly they dilate my flight 24 hours and I lose my flight yesterday because from Washington to Atlanta the flight was late and from Atlanta to Tegucigalpa leave early

Tue, May 1
HLN
SAN
6h 42m
Wed, May 9
SAN
HLN
6h 21m
Trip: 9 days
Overall 0.0 Poor
Based on 0 reviews
Mon, Mar 19
HLN
SAN
6h 08m
Tue, Mar 27
SAN
HLN
5h 51m
Trip: 9 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

JFK
CDG
Excellent 10.0

The food and the service

DEN
JFK
Good 6.3

Comfortable seats. Good entertainment

Going to Denver was delayed and now return trip delayed We were give 3 separate reasons. Poor communication. Just telling me a flight will be delayed is not communication. Lack of a free snack was disappointing. May have to rethink flying Delta next time.

ATL
TGU
Mediocre 2.0

The service was horribly they dilate my flight 24 hours and I lose my flight yesterday because from Washington to Atlanta the flight was late and from Atlanta to Tegucigalpa leave early

GDL
ATL
Excellent 9.6

Expensive food

Wed, May 2
HLN
SAN
3h 55m
Wed, May 9
SAN
HLN
6h 21m
Trip: 8 days
Overall 0.0 Poor
Based on 0 reviews
Tue, Mar 20
HLN
SAN
6h 08m
Tue, Mar 27
SAN
HLN
5h 51m
Trip: 8 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

EWR
DTW
Mediocre 3.3

I've always wanted to go to all five Manhattan boroughs in one day. Thanks to Delta, that happened.

The plane broke down as we were about to take off. Delta rebooked everyone on to new flights because it was pretty obvious that plane was not going to be fixed in time. The crew did their best given the situation. The situation was absolute bs though - we had to take a cab to JFK for our new flight and do the whole security thing again and all that annoying stuff. Thanks for wasting 8 hours of my life, Delta.

FLL
DTW
Excellent 10.0

I like service

PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

Thu, May 3
HLN
SAN
5h 27m
Sat, May 5
SAN
HLN
6h 24m
Trip: 3 days
Overall 0.0 Poor
Based on 0 reviews
Thu, Mar 15
HLN
SAN
6h 08m
Mon, Mar 19
SAN
HLN
9h 51m
Trip: 5 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

ATL
TGU
Mediocre 2.0

The service was horribly they dilate my flight 24 hours and I lose my flight yesterday because from Washington to Atlanta the flight was late and from Atlanta to Tegucigalpa leave early

BOS
LGA
Mediocre 2.0

We were in the plane for 3 hours before we could depart. No one offered us a drink or snack.

BJX
LAX
Excellent 8.0

I liked the check-in kiosk, but only because I had no bags to check. I liked being able to choose my own seat. I liked that the flight was uneventful. I liked the staff at all stages, they were friendly and helpful.

They made me shove my purse into my knapsack to fit within their two bag policy. That's a first for me. My Delta flight did not do that.

GDL
ATL
Excellent 9.6

Expensive food

Tue, May 1
HLN
SAN
5h 27m
Mon, May 7
SAN
HLN
3h 56m
Trip: 7 days
Overall 0.0 Poor
Based on 0 reviews
Fri, Mar 16
HLN
SAN
6h 08m
Mon, Mar 19
SAN
HLN
9h 51m
Trip: 4 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

GDL
ATL
Excellent 9.6

Expensive food

JFK
CDG
Excellent 10.0

The food and the service

FLL
DTW
Excellent 10.0

I like service

Wed, May 2
HLN
SAN
5h 27m
Mon, May 7
SAN
HLN
6h 04m
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Mon, Mar 26
HLN
SAN
6h 08m
Thu, Apr 5
SAN
HLN
10h 04m
Trip: 11 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
DEN
JFK
Good 6.3

Comfortable seats. Good entertainment

Going to Denver was delayed and now return trip delayed We were give 3 separate reasons. Poor communication. Just telling me a flight will be delayed is not communication. Lack of a free snack was disappointing. May have to rethink flying Delta next time.

PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

ATL
TGU
Mediocre 2.0

The service was horribly they dilate my flight 24 hours and I lose my flight yesterday because from Washington to Atlanta the flight was late and from Atlanta to Tegucigalpa leave early

JFK
CDG
Excellent 10.0

The food and the service

SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

Mon, Mar 26
HLN
SAN
7h 12m
Wed, Apr 4
SAN
HLN
5h 15m
Trip: 10 days
Overall 0.0 Poor
Based on 0 reviews
Tue, Mar 27
HLN
SAN
6h 08m
Thu, Apr 5
SAN
HLN
10h 04m
Trip: 10 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
ATL
TGU
Mediocre 2.0

The service was horribly they dilate my flight 24 hours and I lose my flight yesterday because from Washington to Atlanta the flight was late and from Atlanta to Tegucigalpa leave early

PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

GDL
ATL
Excellent 9.6

Expensive food

FLL
DTW
Excellent 10.0

I like service

JFK
CDG
Excellent 10.0

The food and the service

Tue, Mar 27
HLN
SAN
7h 12m
Wed, Apr 4
SAN
HLN
5h 15m
Trip: 9 days
Overall 0.0 Poor
Based on 0 reviews
Wed, May 2
HLN
SAN
6h 01m
Tue, May 8
SAN
HLN
6h 04m
Trip: 7 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

ATL
TGU
Mediocre 2.0

The service was horribly they dilate my flight 24 hours and I lose my flight yesterday because from Washington to Atlanta the flight was late and from Atlanta to Tegucigalpa leave early

DEN
JFK
Good 6.3

Comfortable seats. Good entertainment

Going to Denver was delayed and now return trip delayed We were give 3 separate reasons. Poor communication. Just telling me a flight will be delayed is not communication. Lack of a free snack was disappointing. May have to rethink flying Delta next time.

EWR
DTW
Mediocre 3.3

I've always wanted to go to all five Manhattan boroughs in one day. Thanks to Delta, that happened.

The plane broke down as we were about to take off. Delta rebooked everyone on to new flights because it was pretty obvious that plane was not going to be fixed in time. The crew did their best given the situation. The situation was absolute bs though - we had to take a cab to JFK for our new flight and do the whole security thing again and all that annoying stuff. Thanks for wasting 8 hours of my life, Delta.

GDL
ATL
Excellent 9.6

Expensive food

Thu, May 3
HLN
SAN
5h 27m
Tue, May 8
SAN
HLN
3h 56m
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Tue, Jun 5
HLN
SAN
6h 01m
Tue, Jun 12
SAN
HLN
6h 15m
Trip: 8 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

GDL
ATL
Excellent 9.6

Expensive food

ATL
TGU
Mediocre 2.0

The service was horribly they dilate my flight 24 hours and I lose my flight yesterday because from Washington to Atlanta the flight was late and from Atlanta to Tegucigalpa leave early

FLL
DTW
Excellent 10.0

I like service

PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

Fri, May 4
HLN
SAN
5h 27m
Sat, May 5
SAN
HLN
6h 24m
Trip: 2 days
Overall 0.0 Poor
Based on 0 reviews
Show more results

Helena to San Diego Flight Information

Flights Arrive in San Diego
Flights Depart from Helena
Flight Price $278
Distance 997 miles
Airlines Delta
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.