HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$451+ 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SAN
Jun 2 — Jun 91
Tue 6/2
Tue 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Birmingham to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 3, 2026.

This TravelUp deal was found by Cheapflights users on 5/2. 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.
Mon 11/26:00 am
BHX
-
SAN
2 stops19h 10m
Lufthansa
Mon 11/162:09 pm
SAN
-
BHX
2 stops18h 51m
Lufthansa
Deal found 5/2$884
This TravelUp deal was found by Cheapflights users on 5/2. 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.
Mon 11/25:45 pm
BHX
-
SAN
1 stop30h 00m
Multiple Airlines
Mon 11/161:28 pm
SAN
-
BHX
2 stops34h 42m
Multiple Airlines
Deal found 5/2$922
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 9/225:55 am
BHX
-
SAN
2 stops22h 34m
United Airlines
Thu 10/81:28 pm
SAN
-
BHX
2 stops19h 47m
United Airlines
Deal found 4/29$930
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:05 am
BHX
-
SAN
2 stops19h 21m
Lufthansa
Thu 10/12:24 pm
SAN
-
BHX
2 stops18h 51m
Lufthansa
Deal found 5/1$942
This The Travel House deal was found by Cheapflights users on 4/28. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:15 pm
BHX
-
SAN
2 stops36h 27m
Scandinavian Airlines
Tue 6/211:00 am
SAN
-
BHX
2 stops23h 35m
Scandinavian Airlines
Deal found 4/28$956
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 11/126:00 am
BHX
-
SAN
2 stops23h 53m
United Airlines
Mon 11/169:30 am
SAN
-
BHX
2 stops19h 05m
United Airlines
Deal found 4/29$970
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:55 am
BHX
-
SAN
1 stop13h 55m
Delta
Thu 10/110:00 am
SAN
-
BHX
2 stops19h 40m
Delta
Deal found 4/30$992

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 May 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$930
(United Airlines)

One-way from

$451
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$894
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. 13% potential increase in price ($153 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 May 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 May 3, 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

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 9/17

6:05 am-5:26 pm

2 stops19h 21m

San Diego

Thu 10/1

2:24 pm-5:15 pm

2 stops18h 51m

$942
Quickest round-trip

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 9/17

5:55 am-11:50 am

1 stop13h 55m

San Diego

Thu 10/1

10:00 am-1:40 pm

2 stops19h 40m

$992

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 9/17

5:55 am-11:50 am

1 stop13h 55m

San Diego

Thu 10/1

1:40 pm-8:35 am

1 stop34h 55m

$997

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Fri 8/28

5:55 am-10:42 pm

3 stops24h 47m

San Diego

Wed 9/30

7:00 am-9:40 am

2 stops18h 40m

$1,057

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Fri 6/26

10:20 am-10:38 pm

2 stops20h 18m

San Diego

Mon 6/29

10:50 am-1:40 pm

2 stops18h 50m

$1,166

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Fri 8/28

5:55 am-10:42 pm

3 stops24h 47m

San Diego

Fri 9/4

12:01 pm-5:40 pm

2 stops21h 39m

$1,234
Cheapest one-way

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Sun 6/7

6:50 am-7:39 pm

2 stops44h 49m

$578

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Wed 8/5

6:05 am-8:46 pm

2 stops22h 41m

$950

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Tue 8/4

5:55 am-7:52 pm

2 stops21h 57m

$957
Quickest one-way

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 8/6

8:10 am-7:00 pm

2 stops18h 50m

$1,084

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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, November is the cheapest month in which you can book a flight from Birmingham to San Diego (average of $771). Flying from Birmingham to San Diego in January is currently the most expensive (average of $1,416). 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?

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?

    Lufthansa and Delta can get you from Birmingham to San Diego in just under 13h 55m. Your travel time can differ by up to 5h 26m. 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, November is the cheapest month in which you can book a flight from Birmingham to San Diego (average of $771). Flying from Birmingham to San Diego in January is currently the most expensive (average of $1,416). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.