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$839+ Cheap flights from Birmingham (BHX) to San Diego (SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SAN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Birmingham to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHX) 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 31, 2025.

Round-trip from

$839
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$1,088
From Birmingham to San Diego
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
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 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 10/29:30 amBHX - SAN
2 stops20h 57mUnited Airlines
Sun 10/1212:25 pmSAN - BHX
2 stops36h 15mUnited Airlines
Deal found 7/31$839
This Delta deal was found by Cheapflights users on 7/31. 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 10/26:00 amBHX - SAN
1 stop14h 00mDelta
Sun 10/127:20 amSAN - BHX
2 stops18h 10mDelta
Deal found 7/31$847
This TravelUp deal was found by Cheapflights users on 7/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:30 amBHX - SAN
2 stops19h 18mMultiple Airlines
Sat 9/205:01 pmSAN - BHX
2 stops31h 44mMultiple Airlines
Deal found 7/30$848
This TravelUp deal was found by Cheapflights users on 7/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:30 amBHX - SAN
2 stops19h 18mLufthansa
Sat 9/205:15 pmSAN - BHX
1 stop15h 50mLufthansa
Deal found 7/30$971

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 31, 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

BHX - SAN

BHXSAN

Birmingham

Thu 10/2

9:30 am-10:27 pm

2 stops20h 57m

San Diego

Sun 10/12

12:25 pm-8:40 am

2 stops36h 15m

$839

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 10/2

6:00 am-12:00 pm

1 stop14h 00m

San Diego

Sun 10/12

7:20 am-9:30 am

2 stops18h 10m

$847

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Sat 9/13

9:30 am-8:48 pm

2 stops19h 18m

San Diego

Sat 9/20

5:01 pm-8:45 am

2 stops31h 44m

$848

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Sat 9/13

9:30 am-8:48 pm

2 stops19h 18m

San Diego

Sat 9/20

5:15 pm-5:05 pm

1 stop15h 50m

$971

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Sat 8/9

9:40 pm-11:42 am

3 stops46h 02m

$911

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Wed 8/6

5:55 am-5:32 pm

2 stops19h 37m

$974

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Sat 8/9

3:25 pm-11:23 pm

2 stops39h 58m

$2,020

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Tue 8/5

6:00 am-12:00 pm

1 stop14h 00m

$2,364

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Wed 8/6

8:50 pm-12:00 pm

1 stop23h 10m

$2,419

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 8/7

6:00 am-12:00 pm

1 stop14h 00m

$2,425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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

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

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

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 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, 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.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,902 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,858 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 to San Diego round-trip?

    Flying on United Airlines is currently your cheapest option to San Diego, with prices starting at $839. Additional round-trip tickets that might be worth considering are offered by Delta and Lufthansa, with the lowest prices starting at $847 and $971, respectively.

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

    The cheapest airlines for a one-way flight from Birmingham to San Diego are Lufthansa ($974), Iberia ($2,020), and Delta ($2,364).

  • 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 to San Diego?

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

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