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$117+ Cheap flights from Birmingham, AL to San Diego (BHM - 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SAN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Birmingham to San Diego are usually found in August or January, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Birmingham to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHM) 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 July 29, 2025.

Round-trip from

$309
(Flightnetwork)

One-way from

$117
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$463
From Birmingham to San Diego
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One-way flight from Birmingham to San Diego
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Highest demand for flights based on searches. 7% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Birmingham to San Diego

Cheapest flights from Birmingham to San Diego
Explore the most affordable flight options available from Birmingham to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Flightnetwork deal was found by Cheapflights users on 7/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:28 amBHM - SAN
2 stops22h 01mSpirit Airlines
Fri 9/196:15 amSAN - BHM
2 stops9h 38mSpirit Airlines
Deal found 7/28$309
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/279:55 amBHM - SAN
1 stop7h 28mDelta
Wed 9/310:30 pmSAN - BHM
1 stop7h 57mDelta
Deal found 7/28$325
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:05 amBHM - SAN
2 stops11h 15mSouthwest
Wed 9/311:20 amSAN - BHM
1 stop7h 40mSouthwest
Deal found 7/28$330
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/305:09 pmBHM - SAN
1 stop7h 21mAmerican Airlines
Thu 9/412:38 pmSAN - BHM
1 stop7h 13mAmerican Airlines
Deal found 7/29$331
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/307:30 amBHM - SAN
1 stop10h 20mUnited Airlines
Thu 9/46:15 amSAN - BHM
2 stops13h 02mUnited Airlines
Deal found 7/29$426

Cheapflights Fare Finder

 
Customize your flight search to find flights from Birmingham 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 July 29, 2025.
Use the filters below to find and compare flights from Birmingham to San Diego that are best for you.

Fly from

Birmingham

Fly to

San Diego

Route

Depart

Return

Price

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Fri 9/12

11:28 am-7:29 am

2 stops22h 01m

San Diego

Fri 9/19

6:15 am-5:53 pm

2 stops9h 38m

$309

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Wed 8/27

7:30 am-3:50 pm

1 stop10h 20m

San Diego

Wed 9/3

6:15 am-2:22 pm

1 stop6h 07m

$325

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Wed 8/27

6:05 am-3:20 pm

2 stops11h 15m

San Diego

Wed 9/3

11:20 am-9:00 pm

1 stop7h 40m

$330

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Sat 8/30

5:09 pm-10:30 pm

1 stop7h 21m

San Diego

Thu 9/4

12:38 pm-9:51 pm

1 stop7h 13m

$331

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Wed 10/15

2:38 pm-9:20 pm

1 stop8h 42m

San Diego

Sat 10/18

7:03 pm-8:04 am

2 stops11h 01m

$413

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Mon 8/18

5:57 pm-11:37 pm

3 stops31h 40m

$117

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Sat 9/13

1:06 pm-7:27 pm

1 stop8h 21m

$163

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Tue 8/19

11:00 am-7:46 pm

2 stops10h 46m

$168

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Thu 8/21

6:00 pm-11:05 pm

1 stop7h 05m

$169

BirminghamSan Diego

BHM - SAN

BHMSAN

Birmingham

Sun 8/31

7:38 am-1:35 pm

1 stop7h 57m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Birmingham to San Diego

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

How far ahead should I book a flight from Birmingham, Alabama to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Birmingham to San Diego. Price data was last updated on July 25, 2025.

The price you pay for your flight from Birmingham, Alabama to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Birmingham, Alabama to San Diego?

Currently, August is the cheapest month in which you can book a flight from Birmingham, Alabama to San Diego (average of $286). Flying from Birmingham, Alabama 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 BHM to SAN?

Find hourly flight availability from Birmingham 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 July 29, 2025.

One of the essential ways to save on airfare from Birmingham, Alabama to San Diego is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Birmingham, Alabama to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Birmingham to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Birmingham, Alabama to San Diego flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 29, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Birmingham to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,977 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,899 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Spirit Airlines
6.3
Okay
8,040 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Birmingham 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 Birmingham, Alabama to San Diego round-trip?

    According to our current data, Spirit Airlines ($309), United Airlines ($325), and Southwest ($330) offers the cheapest pricing from Birmingham, Alabama to San Diego. Spirit Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Birmingham, Alabama to San Diego one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $117. Delta flights start at $163 while deals on United Airlines start at $168 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Birmingham 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 Birmingham, Alabama to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Birmingham, Alabama to San Diego (average of $286). Flying from Birmingham, Alabama 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 San Diego?

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

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Top 4 airlines flying from Birmingham to San Diego

Discover the top 4 airlines that operate flights from Birmingham 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$406FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$341Average$439FlexibilityNo cancel feeOn-time63%
DeltaCheapest$341Average$501FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$346Average$471FlexibilityNo cancel feeOn-time69%

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