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$118+ Cheap flights from Billings to San Diego (BIL - SAN)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SAN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Billings Logan Intl to San Diego are usually found in January or February, booked 64 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap flight deals from Billings to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to San Diego (SAN). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Delta)

One-way from

$118
(Alaska Airlines)

Popular in

May

Cheapest in

January

Average price

$368
Provider with most accurate pricing for Billings Logan Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-San Diego flights.
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From Billings Logan Intl to San Diego
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One-way flight from Billings Logan Intl to San Diego
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Billings to San Diego

Cheapest flights from Billings to San Diego
Explore the most affordable flight options available from Billings to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 3/206:26 pmBIL - SAN
1 stop6h 27mDelta
Tue 3/257:08 pmSAN - BIL
1 stop4h 08mDelta
Deal found 2/19$247
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:34 pmBIL - SAN
1 stop6h 25mAlaska Airlines
Mon 5/198:50 pmSAN - BIL
1 stop17h 15mAlaska Airlines
Deal found 2/19$283
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/295:49 pmBIL - SAN
1 stop5h 51mUnited Airlines
Tue 4/110:16 amSAN - BIL
2 stops9h 42mUnited Airlines
Deal found 2/19$332
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/51:29 pmBIL - SAN
1 stop6h 41mHawaiian Airlines
Sat 3/157:20 amSAN - BIL
1 stop5h 54mHawaiian Airlines
Deal found 2/19$389
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/52:00 pmBIL - SAN
2 stops8h 44mAmerican Airlines
Sat 3/154:25 pmSAN - BIL
1 stop5h 06mAmerican Airlines
Deal found 2/19$395
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Wed 2/195:20 pmBIL - SAN
3 stops40h 41mMultiple Airlines
Sun 2/232:56 pmSAN - BIL
2 stops17h 10mMultiple Airlines
Deal found 2/19$1,110

Find flights from Billings to San Diego within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Billings

Fly to

San Diego

Route

Depart

Return

Price

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Thu 3/20

6:26 pm-11:53 pm

1 stop6h 27m

San Diego

Tue 3/25

7:08 pm-12:16 am

1 stop4h 08m

$247

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 5/14

1:34 pm-8:44 pm

1 stop8h 10m

San Diego

Mon 5/19

8:50 pm-3:05 pm

1 stop17h 15m

$283

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Sat 3/29

5:49 pm-10:40 pm

1 stop5h 51m

San Diego

Tue 4/1

10:16 am-8:58 pm

2 stops9h 42m

$332

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 3/5

1:29 pm-7:10 pm

1 stop6h 41m

San Diego

Sat 3/15

7:20 am-2:14 pm

1 stop5h 54m

$389

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 3/5

2:00 pm-9:44 pm

2 stops8h 44m

San Diego

Sat 3/15

4:25 pm-10:31 pm

1 stop5h 06m

$395

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 5/14

1:34 pm-6:59 pm

1 stop6h 25m

$118

BillingsSan Diego

BIL - SAN

BILSAN

Billings Logan Intl

Wed 5/14

5:45 am-2:52 pm

2 stops10h 07m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Compare providers for flights from Billings to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to San Diego in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billings to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Billings 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.

Travel insights for flights from Billings to San Diego

Get recent, data-driven insights about flights from Billings to San Diego including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Billings to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Billings to San Diego. Price data was last updated on February 14, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Billings to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Billings to San Diego (average of $286). Flying from Billings to San Diego in March is currently the most expensive (average of $366). 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 BIL to SAN?

Find hourly flight availability from Billings to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s optimal to fly from Billings to San Diego at noon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the morning.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated February 20, 2025.
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,691 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,227 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,771 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

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

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

    Cheapflights users have booked flights from Billings to San Diego round-trip from $247. Other airlines that can offer you cheap pricing are Alaska Airlines, from $283, and United Airlines, from $332. These flights start at 40% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Billings to San Diego 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 Billings to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Billings to San Diego (average of $286). Flying from Billings to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Billings?

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

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Top 4 airlines flying from Billings to San Diego

Discover the top 4 airlines that operate flights from Billings to San Diego. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$220Average$374FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$258Average$409FlexibilityNo cancel feeOn-time75%
DeltaCheapest$282Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$503FlexibilityNo cancel feeOn-time69%
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