Billings

$98+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
Jul 30 — Aug 61
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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 July 25, 2025.

Round-trip from

$194
(Mytrip)

One-way from

$98
(Trip.com)

Popular in

February

Cheapest in

April

Average price

$470
From San Diego to Billings Logan Intl
One-way flight from San Diego to Billings Logan Intl
Highest demand for flights based on searches. 27% potential increase in price ($156 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 25, 2025.

This Mytrip deal was found by Cheapflights users on 7/23. 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.
Fri 8/226:15 amSAN - BIL
1 stop14h 22mMultiple Airlines
Mon 8/2510:27 pmBIL - SAN
1 stop9h 54mMultiple Airlines
Deal found 7/23$194
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/238:33 amSAN - BIL
2 stops14h 38mAlaska Airlines
Tue 9/302:04 pmBIL - SAN
2 stops23h 42mAlaska Airlines
Deal found 7/23$253
This Hawaiian Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/233:45 pmSAN - BIL
1 stop7h 26mHawaiian Airlines
Tue 9/306:00 amBIL - SAN
1 stop7h 56mHawaiian Airlines
Deal found 7/23$290
This Delta deal was found by Cheapflights users on 7/23. 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.
Tue 8/195:00 pmSAN - BIL
1 stop4h 34mDelta
Wed 8/205:25 amBIL - SAN
1 stop4h 14mDelta
Deal found 7/23$291
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 8/222:21 pmSAN - BIL
2 stops6h 38mUnited Airlines
Mon 8/255:00 amBIL - SAN
1 stop5h 09mUnited Airlines
Deal found 7/23$299
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 8/191:52 pmSAN - BIL
1 stop6h 38mAmerican Airlines
Fri 8/2212:19 pmBIL - SAN
1 stop7h 57mAmerican Airlines
Deal found 7/23$341

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 July 25, 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

Fri 8/22

6:15 am-9:37 pm

1 stop14h 22m

Billings Logan Intl

Mon 8/25

10:27 pm-7:21 am

1 stop9h 54m

$194

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Tue 9/23

8:33 am-12:11 am

2 stops14h 38m

Billings Logan Intl

Tue 9/30

2:04 pm-12:46 pm

2 stops23h 42m

$253

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Tue 9/23

3:45 pm-12:11 am

1 stop7h 26m

Billings Logan Intl

Tue 9/30

6:00 am-12:56 pm

1 stop7h 56m

$290

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Tue 8/19

5:00 pm-10:34 pm

1 stop4h 34m

Billings Logan Intl

Wed 8/20

5:25 am-8:39 am

1 stop4h 14m

$291

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Fri 8/22

2:21 pm-9:59 pm

2 stops6h 38m

Billings Logan Intl

Mon 8/25

5:00 am-9:09 am

1 stop5h 09m

$299

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Tue 8/19

1:52 pm-9:30 pm

1 stop6h 38m

Billings Logan Intl

Fri 8/22

12:19 pm-7:16 pm

1 stop7h 57m

$341

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Fri 8/15

1:03 pm-8:22 pm

1 stop6h 19m

$98

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Thu 8/14

10:54 am-9:03 pm

2 stops9h 09m

$170

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Sun 9/7

10:38 pm-11:49 am

1 stop12h 11m

$184

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Sun 9/7

8:33 am-12:11 am

2 stops14h 38m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

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 $396). Flying from San Diego to Billings in June is currently the most expensive (average of $512). 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 July 25, 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.

How much does it cost to fly round-trip from San Diego to Billings?

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 July 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian 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.

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

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

    Currently priced at $253, 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 Hawaiian Airlines and Delta - these airlines can fly you to your destination from $290 and $291, respectively. Alaska Airlines is currently priced 39% below the average price you’ll pay for this route.

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

    $170 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $184 and $212, 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 $396). Flying from San Diego to Billings in June is currently the most expensive (average of $512). 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

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Alternative routes for San Diego to Billings

See prices for flight routes from nearby airports that may be better suited for you.

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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$219Average$348FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$310FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$417FlexibilityNo cancel feeOn-time69%

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