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Cheap flights from Billings to San Diego from $104

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 6/15. 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

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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 - 8:48 am
BIL
-
SAN
23h 48m
1 stop
Multiple Airlines Logo
8:29 pm - 9:09 am
SAN
-
BIL
11h 40m
1 stop
$283Multiple Airlines
Mon, Jun 22 - Thu, Jul 2
Multiple Airlines Logo
10:00 am - 8:48 am
BIL
-
SAN
23h 48m
1 stop
Multiple Airlines Logo
9:43 am - 9:10 am
SAN
-
BIL
22h 27m
1 stop
$287Multiple Airlines
Mon, Jun 22 - Sun, Jun 28
Delta Logo
6:25 pm - 11:42 pm
BIL
-
SAN
6h 17m
1 stop
Delta Logo
5:00 pm - 10:32 pm
SAN
-
BIL
4h 32m
1 stop
$361Delta
Mon, Sep 28 - Tue, Oct 6
Alaska Airlines Logo
7:21 pm - 10:22 am
BIL
-
SAN
16h 01m
1 stop
Alaska Airlines Logo
3:56 pm - 11:33 pm
SAN
-
BIL
6h 37m
1 stop
$372Alaska Airlines
Fri, Jun 5 - Tue, Jun 9
Delta Logo
6:25 pm - 11:42 pm
BIL
-
SAN
6h 17m
1 stop
Delta Logo
9:45 am - 5:48 pm
SAN
-
BIL
7h 03m
1 stop
$374Delta
Sun, Sep 27 - Wed, Oct 7
Multiple Airlines Logo
5:22 pm - 9:02 am
BIL
-
SAN
40h 40m
2 stops
Multiple Airlines Logo
9:43 pm - 9:32 pm
SAN
-
BIL
22h 49m
1 stop
$376Multiple Airlines
Mon, Sep 28 - Thu, Oct 8
American Airlines Logo
12:17 pm - 7:01 pm
BIL
-
SAN
7h 44m
1 stop
American Airlines Logo
12:05 pm - 10:41 pm
SAN
-
BIL
9h 36m
1 stop
$382American Airlines
Wed, Sep 30 - Wed, Oct 7
Delta Logo
11:35 am - 4:08 pm
BIL
-
SAN
5h 33m
1 stop
Delta Logo
9:45 am - 5:49 pm
SAN
-
BIL
7h 04m
1 stop
$387Delta
Sun, Sep 27 - Fri, Oct 9
Alaska Airlines Logo
6:05 am - 4:11 pm
BIL
-
SAN
11h 06m
2 stops
Alaska Airlines Logo
11:07 am - 6:52 pm
SAN
-
BIL
6h 45m
1 stop
$389Alaska Airlines
Tue, Sep 29 - Tue, Oct 6
Alaska Airlines Logo
5:12 pm - 11:31 pm
BIL
-
SAN
7h 19m
1 stop
Alaska Airlines Logo
8:03 am - 10:43 pm
SAN
-
BIL
13h 40m
2 stops
$392Alaska Airlines
Fri, Nov 6 - Tue, Nov 10

Delta flights from Billings to San Diego

Our best Delta deals on Billings to San Diego flight tickets
Delta
Sep 28
BIL6:25 pmBillings Logan Intl
6h 17m
1 stop
SAN11:42 pmSan Diego
Oct 6
SAN5:00 pmSan Diego
4h 32m
1 stop
BIL10:32 pmBillings Logan Intl
$361
Delta
Sep 27
BIL6:25 pmBillings Logan Intl
6h 17m
1 stop
SAN11:42 pmSan Diego
Oct 7
SAN9:45 amSan Diego
7h 03m
1 stop
BIL5:48 pmBillings Logan Intl
$374
Delta
Sep 27
BIL11:35 amBillings Logan Intl
5h 33m
1 stop
SAN4:08 pmSan Diego
Oct 9
SAN9:45 amSan Diego
7h 04m
1 stop
BIL5:49 pmBillings Logan Intl
$387

American Airlines flights from Billings to San Diego

Our best American Airlines deals on Billings to San Diego flight tickets
American Airlines
Sep 30
BIL12:17 pmBillings Logan Intl
7h 44m
1 stop
SAN7:01 pmSan Diego
Oct 7
SAN12:05 pmSan Diego
9h 36m
1 stop
BIL10:41 pmBillings Logan Intl
$382
American Airlines
May 26
BIL12:42 pmBillings Logan Intl
9h 47m
1 stop
SAN9:29 pmSan Diego
May 30
SAN3:10 pmSan Diego
7h 05m
1 stop
BIL11:15 pmBillings Logan Intl
$479
American Airlines
May 27
BIL6:00 amBillings Logan Intl
10h 28m
2 stops
SAN3:28 pmSan Diego
Jun 1
SAN3:10 pmSan Diego
7h 05m
1 stop
BIL11:15 pmBillings Logan Intl
$546

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 May 18, 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 6/22

10:00 am-8:48 am

1 stop23h 48m

San Diego

Thu 7/2

8:29 pm-9:09 am

1 stop11h 40m

$283

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 6/22

10:00 am-8:48 am

1 stop23h 48m

San Diego

Sun 6/28

9:43 am-9:10 am

1 stop22h 27m

$287
Quickest round-trip

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 9/28

6:25 pm-11:42 pm

1 stop6h 17m

San Diego

Tue 10/6

5:00 pm-10:32 pm

1 stop4h 32m

$361

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Fri 6/5

7:21 pm-10:22 am

1 stop16h 01m

San Diego

Tue 6/9

3:56 pm-11:33 pm

1 stop6h 37m

$372

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Sun 9/27

6:25 pm-11:42 pm

1 stop6h 17m

San Diego

Wed 10/7

9:45 am-5:48 pm

1 stop7h 03m

$374

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Mon 9/28

5:22 pm-9:02 am

2 stops40h 40m

San Diego

Thu 10/8

9:43 pm-9:32 pm

1 stop22h 49m

$376

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 9/30

12:17 pm-7:01 pm

1 stop7h 44m

San Diego

Wed 10/7

12:05 pm-10:41 pm

1 stop9h 36m

$382

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Sun 9/27

11:35 am-4:08 pm

1 stop5h 33m

San Diego

Fri 10/9

9:45 am-5:49 pm

1 stop7h 04m

$387

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Tue 9/29

6:05 am-4:11 pm

2 stops11h 06m

San Diego

Tue 10/6

11:07 am-6:52 pm

1 stop6h 45m

$389

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Fri 11/6

5:12 pm-11:31 pm

1 stop7h 19m

San Diego

Tue 11/10

8:03 am-10:43 pm

2 stops13h 40m

$392

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 April is also very affordable. Most momondo users find prices during this month for around $340.

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

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 15m

Direct flights

None
The fastest flight from Billings to San Diego takes 4h 15m
There are no direct flights from Billings to San Diego. There are no popular flight routes from Billings to San Diego.
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Frequently asked questions about flying from Billings to San Diego

  • 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 15m 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
12,378 reviews
Search Alaska Airlines flights
DeltaPriceFrom $285Free CancellationRating
7.9
8,449 reviews
Search Delta flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,736 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
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.

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