Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Billings to San Diego from $97

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to San Diego departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Billings to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 1:19 pmBIL-SAN
7h 19m1 stop
Alaska Airlines Logo
4:01 pm - 11:36 pmSAN-BIL
6h 35m1 stop
$248Alaska Airlines
Find Deal
mar., janv. 13 - mer., janv. 21
Delta Logo
5:15 am - 3:40 pmBIL-SAN
11h 25m2 stops
Delta Logo
9:55 am - 5:30 pmSAN-BIL
6h 35m1 stop
$254Delta
Find Deal
mar., janv. 13 - mar., janv. 20
Delta Logo
5:14 am - 2:16 pmBIL-SAN
10h 02m2 stops
Delta Logo
2:12 pm - 11:48 pmSAN-BIL
8h 36m1 stop
$257Delta
Find Deal
lun., déc. 8 - mar., déc. 16
United Airlines Logo
2:45 pm - 11:42 pmBIL-SAN
9h 57m2 stops
United Airlines Logo
6:15 am - 3:20 pmSAN-BIL
8h 05m2 stops
$259United Airlines
Find Deal
mer., janv. 28 - sam., janv. 31
Alaska Airlines Logo
7:00 am - 3:29 pmBIL-SAN
9h 29m1 stop
Alaska Airlines Logo
9:37 am - 11:36 pmSAN-BIL
12h 59m1 stop
$264Alaska Airlines
Find Deal
mer., janv. 7 - lun., janv. 12
Delta Logo
6:22 pm - 11:59 pmBIL-SAN
6h 37m1 stop
Delta Logo
2:12 pm - 11:48 pmSAN-BIL
8h 36m1 stop
$269Delta
Find Deal
lun., déc. 8 - mar., déc. 16
Delta Logo
5:15 am - 12:48 pmBIL-SAN
8h 33m2 stops
Delta Logo
11:58 am - 7:25 pmSAN-BIL
6h 27m1 stop
$274Delta
Find Deal
mer., janv. 7 - lun., janv. 12
Alaska Airlines Logo
7:00 am - 1:19 pmBIL-SAN
7h 19m1 stop
Alaska Airlines Logo
10:55 am - 11:36 pmSAN-BIL
11h 41m2 stops
$281Alaska Airlines
Find Deal
mer., janv. 14 - mer., janv. 21
United Airlines Logo
5:54 pm - 10:30 pmBIL-SAN
5h 36m1 stop
United Airlines Logo
6:30 am - 1:18 pmSAN-BIL
5h 48m1 stop
$289United Airlines
Find Deal
ven., déc. 5 - ven., déc. 12
American Airlines Logo
6:50 am - 12:04 pmBIL-SAN
6h 14m1 stop
American Airlines Logo
6:15 am - 10:54 pmSAN-BIL
15h 39m1 stop
$490American Airlines
Find Deal
jeu., déc. 25 - lun., déc. 29

Alaska Airlines flights from Billings to San Diego

Our best Alaska Airlines deals on Billings to San Diego flight tickets
Alaska Airlines
Jan 13
BIL7:00 amBillings Logan Intl
7h 19m
1 stop
SAN1:19 pmSan Diego
Jan 21
SAN4:01 pmSan Diego
6h 35m
1 stop
BIL11:36 pmBillings Logan Intl
$248
Find similar
Alaska Airlines
Jan 7
BIL7:00 amBillings Logan Intl
9h 29m
1 stop
SAN3:29 pmSan Diego
Jan 12
SAN9:37 amSan Diego
12h 59m
1 stop
BIL11:36 pmBillings Logan Intl
$264
Find similar
Alaska Airlines
Jan 14
BIL7:00 amBillings Logan Intl
7h 19m
1 stop
SAN1:19 pmSan Diego
Jan 21
SAN10:55 amSan Diego
11h 41m
2 stops
BIL11:36 pmBillings Logan Intl
$281
Find similar

Delta flights from Billings to San Diego

Our best Delta deals on Billings to San Diego flight tickets
Delta
Jan 13
BIL5:15 amBillings Logan Intl
11h 25m
2 stops
SAN3:40 pmSan Diego
Jan 20
SAN9:55 amSan Diego
6h 35m
1 stop
BIL5:30 pmBillings Logan Intl
$254
Find similar
Delta
Dec 8
BIL5:14 amBillings Logan Intl
10h 02m
2 stops
SAN2:16 pmSan Diego
Dec 16
SAN2:12 pmSan Diego
8h 36m
1 stop
BIL11:48 pmBillings Logan Intl
$257
Find similar
Delta
Dec 8
BIL6:22 pmBillings Logan Intl
6h 37m
1 stop
SAN11:59 pmSan Diego
Dec 16
SAN2:12 pmSan Diego
8h 36m
1 stop
BIL11:48 pmBillings Logan Intl
$269
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to San Diego 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, momondo users made 832,500 searches. Data last updated novembre 6, 2025.
Use the filters below to find and compare flights from Billings to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

mar. 1/13

7:00 am-1:19 pm

1 stop7h 19m

San Diego

mer. 1/21

4:01 pm-11:36 pm

1 stop6h 35m

$248

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

mar. 1/13

5:15 am-3:40 pm

2 stops11h 25m

San Diego

mar. 1/20

9:55 am-5:30 pm

1 stop6h 35m

$254

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

lun. 12/8

5:14 am-2:16 pm

2 stops10h 02m

San Diego

mar. 12/16

2:12 pm-11:48 pm

1 stop8h 36m

$257

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

mer. 1/28

2:45 pm-11:42 pm

2 stops9h 57m

San Diego

sam. 1/31

6:15 am-3:20 pm

2 stops8h 05m

$259

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

mer. 1/7

7:00 am-3:29 pm

1 stop9h 29m

San Diego

lun. 1/12

9:37 am-11:36 pm

1 stop12h 59m

$264

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

lun. 12/8

6:22 pm-11:59 pm

1 stop6h 37m

San Diego

mar. 12/16

2:12 pm-11:48 pm

1 stop8h 36m

$269

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

mer. 1/7

5:15 am-12:48 pm

2 stops8h 33m

San Diego

lun. 1/12

11:58 am-7:25 pm

1 stop6h 27m

$274

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

mer. 1/14

7:00 am-1:19 pm

1 stop7h 19m

San Diego

mer. 1/21

10:55 am-11:36 pm

2 stops11h 41m

$281

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

ven. 12/5

5:54 pm-10:30 pm

1 stop5h 36m

San Diego

ven. 12/12

6:30 am-1:18 pm

1 stop5h 48m

$289

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

jeu. 12/25

6:50 am-12:04 pm

1 stop6h 14m

San Diego

lun. 12/29

6:15 am-10:54 pm

1 stop15h 39m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Diego from

How to get the cheapest flight ticket from Billings to San Diego

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 to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Billings during the month May is also very affordable. Most momondo users find prices during this month for around $361.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Billings to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $387. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $497. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $335. Flights in the morning are often more expensive with an average ticket price of $429.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Billings when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $384 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Billings for as low as $295 on momondo.

How have Billings to San Diego flight prices changed over time?

As of November 2025, prices for Billings to San Diego flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Billings to San Diego

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

Cheap Billings to San Diego (BIL to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to San Diego

Direct flights

None
There are no direct flights from Billings to San Diego. There are no popular flight routes from Billings to San Diego.
Search flight deals

  • How far is Billings Logan Intl to San Diego by plane?

    The distance between Billings Logan Intl and San Diego is about 1012.6 mi. Typically, this will take 4h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to San Diego Airport?

    Prices for flights from Billings Logan Intl Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Billings Logan Intl Airport to San Diego 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 Billings Logan Intl Airport to San Diego Airport.

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

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Billings to San Diego?

Best airlines flying from Billings to San Diego

Compare and see reviews for airlines that fly from Billings to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $220Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $254Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Alaska AirlinesPriceFrom $258Free CancellationRating
8.0
11,247 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $310Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Imperial Beach
La Mesa
Poway
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Billings to San Diego?

It is quick and easy to find Billings to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Billings to San Diego with flexible booking policies on momondo?

Yes. All flights to San Diego from Billings on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Billings to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Billings.

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

Price alerts on flights to San Diego from Billings 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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sam. 12/6
sam. 12/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States