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Billings

$149+ Cheap flights from San Diego to Billings (SAN - BIL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
ago. 31 — sep. 71
dom. 8/31
dom. 9/7
1 adult, Economy
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Cheap flight deals from San Diego to Billings

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Billings (BIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 26, 2025.

Round-trip from

$245
(Trip.com)

One-way from

$149
(Delta)

Popular in

February

Cheapest in

April

Average price

$366
From San Diego to Billings Logan Intl
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One-way flight from San Diego to Billings Logan Intl
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Highest demand for flights based on searches. 27% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Diego to Billings

Cheapest flights from San Diego to Billings
Explore the most affordable flight options available from San Diego to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 26, 2025.

This Trip.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:25 amSAN - BIL
1 stop25h 43mMultiple Airlines
mar. 10/282:00 pmBIL - SAN
1 stop7h 56mMultiple Airlines
Deal found 8/25$245
This Mytrip deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/86:15 amSAN - BIL
1 stop11h 40mMultiple Airlines
vie. 9/129:58 amBIL - SAN
1 stop13h 28mMultiple Airlines
Deal found 8/24$262
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/85:25 pmSAN - BIL
1 stop4h 00mDelta
sáb. 10/116:15 pmBIL - SAN
1 stop4h 29mDelta
Deal found 8/25$275
This American Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/2511:02 amSAN - BIL
1 stop9h 47mAmerican Airlines
mar. 9/3012:19 pmBIL - SAN
1 stop8h 08mAmerican Airlines
Deal found 8/25$283
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/195:05 pmSAN - BIL
1 stop4h 30mDelta
mar. 9/236:19 pmBIL - SAN
1 stop6h 25mDelta
Deal found 8/25$285
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/192:08 pmSAN - BIL
1 stop8h 11mDelta
dom. 11/236:25 amBIL - SAN
1 stop7h 41mDelta
Deal found 8/26$286
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1911:02 amSAN - BIL
2 stops10h 47mUnited Airlines
dom. 11/235:54 pmBIL - SAN
1 stop5h 35mUnited Airlines
Deal found 8/25$291
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:30 pmSAN - BIL
1 stop4h 40mDelta
vie. 11/285:18 amBIL - SAN
1 stop4h 30mDelta
Deal found 8/25$294
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/175:25 pmSAN - BIL
1 stop4h 00mDelta
dom. 10/195:25 amBIL - SAN
1 stop4h 15mDelta
Deal found 8/25$295
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/197:00 amSAN - BIL
1 stop7h 26mUnited Airlines
mar. 9/235:00 amBIL - SAN
1 stop5h 09mUnited Airlines
Deal found 8/25$301

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Billings 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 26, 2025.
Use the filters below to find and compare flights from San Diego to Billings that are best for you.

Fly from

San Diego

Fly to

Billings

Route

Depart

Return

Price

San DiegoBillings

SAN - BIL

SANBIL

San Diego

jue. 9/25

6:25 am-9:08 am

1 stop25h 43m

Billings Logan Intl

mar. 10/28

2:00 pm-8:56 pm

1 stop7h 56m

$245

San DiegoBillings

SAN - BIL

SANBIL

San Diego

lun. 9/8

6:15 am-6:55 pm

1 stop11h 40m

Billings Logan Intl

vie. 9/12

9:58 am-10:26 pm

1 stop13h 28m

$262

San DiegoBillings

SAN - BIL

SANBIL

San Diego

mié. 10/8

5:25 pm-10:25 pm

1 stop4h 00m

Billings Logan Intl

sáb. 10/11

6:15 pm-9:44 pm

1 stop4h 29m

$275

San DiegoBillings

SAN - BIL

SANBIL

San Diego

jue. 9/25

11:02 am-9:49 pm

1 stop9h 47m

Billings Logan Intl

mar. 9/30

12:19 pm-7:27 pm

1 stop8h 08m

$283

San DiegoBillings

SAN - BIL

SANBIL

San Diego

vie. 9/19

5:05 pm-10:35 pm

1 stop4h 30m

Billings Logan Intl

mar. 9/23

6:25 am-12:46 pm

1 stop7h 21m

$285

San DiegoBillings

SAN - BIL

SANBIL

San Diego

mié. 11/19

5:10 pm-11:49 pm

1 stop5h 39m

Billings Logan Intl

dom. 11/23

5:18 am-8:48 am

1 stop4h 30m

$286

San DiegoBillings

SAN - BIL

SANBIL

San Diego

jue. 9/25

12:36 pm-9:49 pm

1 stop8h 13m

Billings Logan Intl

mar. 10/28

6:42 am-3:30 pm

2 stops9h 48m

$288

San DiegoBillings

SAN - BIL

SANBIL

San Diego

sáb. 12/20

5:00 pm-10:26 pm

1 stop4h 26m

$149

San DiegoBillings

SAN - BIL

SANBIL

San Diego

mar. 9/9

11:46 am-6:38 pm

1 stop5h 52m

$175

San DiegoBillings

SAN - BIL

SANBIL

San Diego

mar. 9/9

1:57 pm-10:47 pm

2 stops7h 50m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 17 results
1
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Best time to book a flight from San Diego to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Billings

What is the cheapest month to book a flight from San Diego to Billings?

Currently, January is the cheapest month in which you can book a flight from San Diego to Billings (average of $394). Flying from San Diego to Billings in June is currently the most expensive (average of $511). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to BIL?

Find hourly flight availability from San Diego to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 26, 2025.

It’s optimal to fly from San Diego to Billings in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billings. Reviews last updated agosto 26, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from San Diego to Billings. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,943 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Diego to Billings?

    For as low as $275, Delta can have you in Billings from San Diego in 4h. The distance from San Diego to Billings is about 1013 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Diego to Billings round-trip?

    Currently priced at $219, Alaska Airlines will fly you from San Diego to Billings and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $236 and $284, respectively. Alaska Airlines is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Diego to Billings one-way?

    $149 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $175 and $227, respectively.

  • Can I find deals for flights from San Diego to Billings that include hotel bookings?

    Yes. In addition to deals on San Diego to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Billings?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Billings.

  • Can I find deals for business class flights from San Diego to Billings?

    Yes. Cheapflights offers flight deals from San Diego to Billings by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Billings?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Billings (average of $394). Flying from San Diego to Billings in June is currently the most expensive (average of $511). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from San Diego to Billings

Discover the top 3 airlines that operate flights from San Diego to Billings. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$219Average$343FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$311FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$414FlexibilityNo cancel feeOn-time69%

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