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Cheap flights from Billings to San Diego from $127

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 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Billings to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 am - 9:12 pm
BIL
-
SAN
12h 12m
1 stop
Multiple Airlines Logo
9:53 pm - 9:10 am
SAN
-
BIL
10h 17m
1 stop
$229Multiple Airlines
Mon, Jun 1 - Thu, Jun 11
Multiple Airlines Logo
2:41 pm - 3:31 pm
BIL
-
SAN
25h 50m
1 stop
Multiple Airlines Logo
4:17 pm - 5:12 pm
SAN
-
BIL
23h 55m
1 stop
$245Multiple Airlines
Tue, May 26 - Sat, May 30
Multiple Airlines Logo
10:00 am - 9:12 pm
BIL
-
SAN
12h 12m
1 stop
Multiple Airlines Logo
9:53 pm - 9:10 am
SAN
-
BIL
10h 17m
1 stop
$248Multiple Airlines
Fri, Jun 5 - Thu, Jun 11
Multiple Airlines Logo
10:00 am - 8:58 pm
BIL
-
SAN
11h 58m
1 stop
Multiple Airlines Logo
9:53 pm - 9:10 am
SAN
-
BIL
10h 17m
1 stop
$277Multiple Airlines
Mon, Jun 15 - Thu, Jun 18
Multiple Airlines Logo
10:00 am - 8:42 am
BIL
-
SAN
23h 42m
2 stops
Multiple Airlines Logo
9:53 pm - 9:10 am
SAN
-
BIL
10h 17m
1 stop
$291Multiple Airlines
Mon, Jun 1 - Thu, Jun 11
Multiple Airlines Logo
10:00 am - 9:12 pm
BIL
-
SAN
12h 12m
1 stop
Multiple Airlines Logo
10:07 pm - 9:10 am
SAN
-
BIL
10h 03m
1 stop
$303Multiple Airlines
Mon, Jun 1 - Sun, Jun 7
Multiple Airlines Logo
10:04 am - 9:12 pm
BIL
-
SAN
12h 08m
1 stop
Multiple Airlines Logo
1:38 pm - 2:51 pm
SAN
-
BIL
24h 13m
1 stop
$316Multiple Airlines
Fri, May 8 - Sun, May 10
Delta Logo
5:30 am - 8:45 am
BIL
-
SAN
4h 15m
1 stop
Delta Logo
5:01 pm - 10:52 pm
SAN
-
BIL
4h 51m
1 stop
$319Delta
Sun, May 10 - Sat, May 16
Multiple Airlines Logo
10:00 am - 9:12 pm
BIL
-
SAN
12h 12m
1 stop
Multiple Airlines Logo
10:07 pm - 9:10 am
SAN
-
BIL
10h 03m
1 stop
$322Multiple Airlines
Fri, Jun 5 - Sun, Jun 7
Multiple Airlines Logo
10:00 am - 8:58 pm
BIL
-
SAN
11h 58m
1 stop
Multiple Airlines Logo
4:17 pm - 1:13 pm
SAN
-
BIL
19h 56m
1 stop
$327Multiple Airlines
Fri, Jun 12 - Mon, Jun 22

Alaska Airlines flights from Billings to San Diego

Our best Alaska Airlines deals on Billings to San Diego flight tickets
Alaska Airlines
Jun 10
BIL6:00 amBillings Logan Intl
8h 01m
1 stop
SAN1:01 pmSan Diego
Jun 17
SAN6:50 amSan Diego
7h 13m
1 stop
BIL3:03 pmBillings Logan Intl
$351
Alaska Airlines
Jun 1
BIL3:34 pmBillings Logan Intl
5h 46m
1 stop
SAN8:20 pmSan Diego
Jun 6
SAN7:00 amSan Diego
6h 54m
1 stop
BIL2:54 pmBillings Logan Intl
$415
Alaska Airlines
Jun 10
BIL7:22 pmBillings Logan Intl
13h 42m
2 stops
SAN8:04 amSan Diego
Jun 17
SAN6:50 amSan Diego
7h 13m
1 stop
BIL3:03 pmBillings Logan Intl
$423

Delta flights from Billings to San Diego

Our best Delta deals on Billings to San Diego flight tickets
Delta
May 10
BIL5:30 amBillings Logan Intl
4h 15m
1 stop
SAN8:45 amSan Diego
May 16
SAN5:01 pmSan Diego
4h 51m
1 stop
BIL10:52 pmBillings Logan Intl
$319
Delta
Apr 27
BIL5:20 amBillings Logan Intl
4h 22m
1 stop
SAN8:42 amSan Diego
May 4
SAN11:58 amSan Diego
7h 08m
1 stop
BIL8:06 pmBillings Logan Intl
$329
Delta
Apr 27
BIL5:20 amBillings Logan Intl
10h 30m
2 stops
SAN2:50 pmSan Diego
May 4
SAN11:58 amSan Diego
7h 08m
1 stop
BIL8:06 pmBillings Logan Intl
$334

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 March 30, 2026.
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

Cheapest round-trip

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 6/1

10:00 am-9:12 pm

1 stop12h 12m

San Diego

Thu 6/11

9:53 pm-9:10 am

1 stop10h 17m

$229

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Tue 5/26

2:41 pm-3:31 pm

1 stop25h 50m

San Diego

Sat 5/30

4:17 pm-5:12 pm

1 stop23h 55m

$245

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Fri 6/5

10:00 am-9:12 pm

1 stop12h 12m

San Diego

Thu 6/11

9:53 pm-9:10 am

1 stop10h 17m

$248

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 6/15

10:00 am-8:58 pm

1 stop11h 58m

San Diego

Thu 6/18

9:53 pm-9:10 am

1 stop10h 17m

$277

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 6/1

10:00 am-8:42 am

2 stops23h 42m

San Diego

Thu 6/11

9:53 pm-9:10 am

1 stop10h 17m

$291

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 6/1

10:00 am-9:12 pm

1 stop12h 12m

San Diego

Sun 6/7

10:07 pm-9:10 am

1 stop10h 03m

$303

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Fri 5/8

10:04 am-9:12 pm

1 stop12h 08m

San Diego

Sun 5/10

1:38 pm-2:51 pm

1 stop24h 13m

$316
Quickest round-trip

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Sun 5/10

5:30 am-8:45 am

1 stop4h 15m

San Diego

Sat 5/16

5:01 pm-10:52 pm

1 stop4h 51m

$319

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Fri 6/5

10:00 am-9:12 pm

1 stop12h 12m

San Diego

Sun 6/7

10:07 pm-9:10 am

1 stop10h 03m

$322

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Fri 6/12

10:00 am-8:58 pm

1 stop11h 58m

San Diego

Mon 6/22

4:17 pm-1:13 pm

1 stop19h 56m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Billings and San Diego?

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 February is also very affordable. Most momondo users find prices during this month for around $346.

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

As of March 2026, prices for Billings to San Diego flights are approximately 5% 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

Fastest flight time

4h 22m

Direct flights

None
The fastest flight from Billings to San Diego takes 4h 22m
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 22m 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
Alaska AirlinesPriceFrom $236Free CancellationRating
7.9
12,140 reviews
Search Alaska Airlines flights
DeltaPriceFrom $254Free CancellationRating
7.9
8,358 reviews
Search Delta flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,514 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
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Alpine
Santee
Lemon Grove

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.

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