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$420+ Cheap flights from Birmingham (BHX) to San Diego (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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SAN
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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Cheap 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 March 16, 2026.

This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:05 am
BHX
-
SAN
2 stops19h 11m
Lufthansa
Wed 5/65:15 pm
SAN
-
BHX
1 stop15h 55m
Lufthansa
Deal found 3/15$830
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:50 am
BHX
-
SAN
2 stops22h 09m
SWISS
Wed 5/64:26 pm
SAN
-
BHX
2 stops17h 34m
SWISS
Deal found 3/15$846
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Wed 4/296:05 am
BHX
-
SAN
2 stops22h 41m
United Airlines
Wed 5/612:55 pm
SAN
-
BHX
2 stops20h 35m
United Airlines
Deal found 3/14$860
This United Airlines deal was found by Cheapflights users on 3/11. 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 11/136:00 am
BHX
-
SAN
2 stops22h 33m
United Airlines
Mon 11/167:00 am
SAN
-
BHX
2 stops21h 35m
United Airlines
Deal found 3/11$883
This Scandinavian Airlines deal was found by Cheapflights users on 3/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:10 pm
BHX
-
SAN
2 stops35h 45m
Scandinavian Airlines
Mon 11/1610:00 am
SAN
-
BHX
2 stops24h 30m
Scandinavian Airlines
Deal found 3/12$891
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 4/265:55 am
BHX
-
SAN
2 stops20h 43m
United Airlines
Sun 5/35:00 pm
SAN
-
BHX
2 stops40h 25m
United Airlines
Deal found 3/12$920
This The Travel House deal was found by Cheapflights users on 3/11. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:15 pm
BHX
-
SAN
2 stops35h 40m
Scandinavian Airlines
Wed 8/263:59 pm
SAN
-
BHX
2 stops18h 36m
Scandinavian Airlines
Deal found 3/11$966
This Mytrip deal was found by Cheapflights users on 3/15. 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 4/299:00 am
BHX
-
SAN
3 stops37h 50m
Multiple Airlines
Wed 5/612:30 pm
SAN
-
BHX
2 stops20h 40m
Multiple Airlines
Deal found 3/15$1,077

Find 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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$830
(Expedia)

One-way from

$420
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,037
Provider with most accurate pricing for Birmingham-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Birmingham-San Diego flights.
Search Deals
From Birmingham to San Diego
Search Deals
One-way flight from Birmingham to San Diego
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 16, 2026.
Use the filters below to find and compare flights from Birmingham to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Wed 4/29

8:50 am-10:59 pm

2 stops22h 09m

San Diego

Wed 5/6

4:26 pm-6:00 pm

2 stops17h 34m

$846

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Wed 4/29

6:05 am-8:46 pm

2 stops22h 41m

San Diego

Wed 5/6

12:55 pm-5:30 pm

2 stops20h 35m

$860

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Sun 4/26

5:55 am-6:38 pm

2 stops20h 43m

San Diego

Sun 5/3

5:00 pm-5:25 pm

2 stops40h 25m

$920

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Wed 8/12

7:15 pm-10:55 pm

2 stops35h 40m

San Diego

Wed 8/26

3:59 pm-6:35 pm

2 stops18h 36m

$966

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Wed 4/29

1:25 pm-3:25 pm

3 stops34h 00m

San Diego

Wed 5/6

5:15 pm-11:30 am

3 stops34h 15m

$1,306

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Mon 3/30

4:35 pm-9:21 pm

2 stops36h 46m

San Diego

Thu 4/2

10:32 am-7:40 am

2 stops37h 08m

$1,584

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Mon 3/30

8:15 pm-11:50 am

1 stop23h 35m

San Diego

Thu 4/2

1:40 pm-4:50 pm

1 stop19h 10m

$4,552

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Mon 4/13

10:00 am-12:52 pm

2 stops34h 52m

San Diego

Mon 4/20

9:58 pm-9:05 am

2 stops27h 07m

$4,696

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Mon 5/4

5:55 am-8:38 pm

2 stops22h 43m

San Diego

Mon 5/4

10:40 pm-9:50 am

2 stops27h 10m

$5,224
Cheapest one-way

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 4/9

3:40 pm-3:01 pm

3 stops55h 21m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Birmingham-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Birmingham-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Birmingham-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Birmingham-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 Birmingham-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 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, March is the cheapest month in which you can book a flight from Birmingham to San Diego (average of $451). Flying from Birmingham to San Diego in December is currently the most expensive (average of $785). 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.

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.

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

    SWISS, United Airlines, and Scandinavian Airlines can get you from Birmingham to San Diego in just under 22h 09m. Your travel time can differ by up to 13h 31m. There are 5384 mi between Birmingham and San Diego. This flight may include one or multiple stops.

  • 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, March is the cheapest month in which you can book a flight from Birmingham to San Diego (average of $451). Flying from Birmingham to San Diego in December is currently the most expensive (average of $785). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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