When did momondo last update prices for flights from Billund Airport to San Diego Airport?

Prices for flights from Billund Airport to San Diego Airport are updated daily.

How old do you have to be to fly from Billund Airport to San Diego Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billund Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$576 Cheap Flights from Billund to San Diego in 2026

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0 bags

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Find the cheapest flights from Billund to San Diego

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:05 pm - 12:05 pm

BLL

SAN

33h 00m

1 stop

2:00 pm - 1:50 pm

SAN

BLL

14h 50m

1 stop

$576Multiple Airlines

Fri, Feb 20 - Tue, Feb 24

2:10 pm - 12:05 pm

BLL

SAN

30h 55m

1 stop

8:00 am - 9:40 am

SAN

BLL

16h 40m

2 stops

$579Multiple Airlines

Fri, Feb 20 - Tue, Feb 24

8:50 pm - 10:30 pm

BLL

SAN

34h 40m

2 stops

6:20 am - 12:30 pm

SAN

BLL

21h 10m

2 stops

$580British Airways

Fri, Feb 20 - Tue, Feb 24

6:00 am - 8:48 pm

BLL

SAN

22h 48m

2 stops

1:45 pm - 5:55 pm

SAN

BLL

19h 10m

2 stops

$678Delta

Sat, Mar 21 - Mon, Mar 30

6:30 am - 8:37 am

BLL

SAN

35h 07m

2 stops

6:30 am - 1:20 pm

SAN

BLL

21h 50m

2 stops

$689United Airlines

Sun, Feb 1 - Thu, Feb 5

2:05 pm - 11:50 am

BLL

SAN

53h 45m

2 stops

8:45 am - 2:10 pm

SAN

BLL

20h 25m

2 stops

$709United Airlines

Sun, Mar 22 - Mon, Mar 30

6:00 am - 1:05 pm

BLL

SAN

15h 05m

1 stop

6:21 am - 9:35 am

SAN

BLL

18h 14m

2 stops

$767Multiple Airlines

Sat, Mar 21 - Mon, Mar 30

6:30 am - 11:28 am

BLL

SAN

37h 58m

2 stops

8:00 am - 6:20 pm

SAN

BLL

25h 20m

3 stops

$817Multiple Airlines

Fri, Feb 20 - Tue, Feb 24

11:05 am - 12:05 pm

BLL

SAN

34h 00m

3 stops

2:00 pm - 11:00 pm

SAN

BLL

24h 00m

3 stops

$964Multiple Airlines

Fri, Feb 20 - Tue, Feb 24

1:05 pm - 5:05 pm

BLL

SAN

36h 00m

1 stop

7:40 pm - 11:05 am

SAN

BLL

30h 25m

1 stop

$969British Airways

Sat, Mar 21 - Mon, Mar 30

British Airways flights from Billund to San Diego

Our best British Airways deals on Billund to San Diego flight tickets

British Airways

Feb 20

BLL8:50 pmBillund

34h 40m

2 stops

SAN10:30 pmSan Diego

Feb 24

SAN6:20 amSan Diego

21h 10m

2 stops

BLL12:30 pmBillund

$580

British Airways

Mar 21

BLL1:05 pmBillund

36h 00m

1 stop

SAN5:05 pmSan Diego

Mar 30

SAN7:40 pmSan Diego

30h 25m

1 stop

BLL11:05 amBillund

$969

British Airways

Mar 22

BLL1:15 pmBillund

30h 48m

3 stops

SAN12:03 pmSan Diego

Mar 30

SAN10:43 pmSan Diego

27h 22m

3 stops

BLL11:05 amBillund

$1,113

United Airlines flights from Billund to San Diego

Our best United Airlines deals on Billund to San Diego flight tickets

United Airlines

Feb 1

BLL6:30 amBillund

35h 07m

2 stops

SAN8:37 amSan Diego

Feb 5

SAN6:30 amSan Diego

21h 50m

2 stops

BLL1:20 pmBillund

$689

United Airlines

Mar 22

BLL2:05 pmBillund

53h 45m

2 stops

SAN11:50 amSan Diego

Mar 30

SAN8:45 amSan Diego

20h 25m

2 stops

BLL2:10 pmBillund

$709

Fly from

Fly to

Route

Depart

Return

Price

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Fri 2/20

12:05 pm-12:05 pm

1 stop33h 00m

San Diego

Tue 2/24

2:00 pm-1:50 pm

1 stop14h 50m

$576

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Fri 2/20

2:10 pm-12:05 pm

1 stop30h 55m

San Diego

Tue 2/24

8:00 am-9:40 am

2 stops16h 40m

$579

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Fri 2/20

8:50 pm-10:30 pm

2 stops34h 40m

San Diego

Tue 2/24

6:20 am-12:30 pm

2 stops21h 10m

$580

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Sat 3/21

6:00 am-8:48 pm

2 stops22h 48m

San Diego

Mon 3/30

1:45 pm-5:55 pm

2 stops19h 10m

$678

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Sun 2/1

6:30 am-8:37 am

2 stops35h 07m

San Diego

Thu 2/5

6:30 am-1:20 pm

2 stops21h 50m

$689

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Sun 3/22

2:05 pm-11:50 am

2 stops53h 45m

San Diego

Mon 3/30

8:45 am-2:10 pm

2 stops20h 25m

$709

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Sat 3/21

6:00 am-1:05 pm

1 stop15h 05m

San Diego

Mon 3/30

6:21 am-9:35 am

2 stops18h 14m

$767

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Fri 2/20

6:30 am-11:28 am

2 stops37h 58m

San Diego

Tue 2/24

8:00 am-6:20 pm

3 stops25h 20m

$817

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Fri 2/20

11:05 am-12:05 pm

3 stops34h 00m

San Diego

Tue 2/24

2:00 pm-11:00 pm

3 stops24h 00m

$964

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Sat 3/21

1:05 pm-5:05 pm

1 stop36h 00m

San Diego

Mon 3/30

7:40 pm-11:05 am

1 stop30h 25m

$969

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Billund to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Billund during the month September is also very affordable. Most momondo users find prices during this month for around $684.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $756 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Billund for as low as $682 on momondo.

Can stopping save me money on Billund to San Diego flights?

You could potentially save up to 3% on your flight if you consider stops on a Billund to San Diego flight.

When to book flights from Billund to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Billund to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Billund to San Diego (BLL to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billund to San Diego

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from Billund to San Diego takes 19h 00m

There are no direct flights from Billund to San Diego. There are no popular flight routes from Billund to San Diego.

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How far is Billund to San Diego by plane?
There are 5553.0 mi between Billund and San Diego. A reasonable flight in good conditions will take 19h 00m.
When did momondo last update prices for flights from Billund Airport to San Diego Airport?
Prices for flights from Billund Airport to San Diego Airport are updated daily.
How old do you have to be to fly from Billund Airport to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billund Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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La Mesa

Alpine

Lemon Grove

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Billund to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Billund to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from Billund to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Billund to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Billund to San Diego?

Once you have performed a search for Billund to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Billund to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Billund to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.