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$661+ Cheap flights from Billund (BLL) 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BLL — SAN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Billund to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Billund (BLL) 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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$661
(KLM)

Popular in

July

Cheapest in

November

Average price

$712
Provider with most accurate pricing for Billund-San Diego flight deals.
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Provider most trusted by Cheapflights users for Billund-San Diego flights.
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From Billund to San Diego
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Billund to San Diego

Cheapest flights from Billund to San Diego
Explore the most affordable flight options available from Billund to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:00 amBLL - SAN
1 stop15h 00mKLM
Thu 5/151:55 pmSAN - BLL
1 stop18h 45mKLM
Deal found 4/17$661
This Delta deal was found by Cheapflights users on 4/17. 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 5/811:50 amBLL - SAN
2 stops20h 57mDelta
Thu 5/151:55 pmSAN - BLL
1 stop14h 35mDelta
Deal found 4/17$670
This Lufthansa deal was found by Cheapflights users on 4/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:05 pmBLL - SAN
2 stops19h 00mLufthansa
Thu 5/152:30 pmSAN - BLL
2 stops36h 55mLufthansa
Deal found 4/17$720
This Scandinavian Airlines deal was found by Cheapflights users on 4/17. 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 6/276:25 amBLL - SAN
3 stops23h 15mScandinavian Airlines
Sun 7/2010:00 amSAN - BLL
2 stops28h 55mScandinavian Airlines
Deal found 4/17$2,484
This WestJet deal was found by Cheapflights users on 4/15. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:45 amBLL - SAN
2 stops39h 35mWestJet
Sat 6/72:05 pmSAN - BLL
2 stops47h 20mWestJet
Deal found 4/15$2,620

Cheapflights Fare Finder

Customize your flight search to find flights from Billund 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 April 17, 2025.
Use the filters below to find and compare flights from Billund to San Diego that are best for you.

Fly from

Billund

Fly to

San Diego

Route

Depart

Return

Price

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Thu 5/8

6:00 am-12:00 pm

1 stop15h 00m

San Diego

Thu 5/15

1:55 pm-5:40 pm

1 stop18h 45m

$661

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Thu 5/8

11:50 am-11:47 pm

2 stops20h 57m

San Diego

Thu 5/15

1:55 pm-1:30 pm

1 stop14h 35m

$670

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Thu 5/8

1:05 pm-11:05 pm

2 stops19h 00m

San Diego

Thu 5/15

2:30 pm-12:25 pm

2 stops36h 55m

$720

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Fri 6/27

6:25 am-8:40 pm

3 stops23h 15m

San Diego

Sun 7/20

10:00 am-11:55 pm

2 stops28h 55m

$2,484

BillundSan Diego

BLL - SAN

BLLSAN

Billund

Sat 5/31

6:45 am-1:20 pm

2 stops39h 35m

San Diego

Sat 6/7

2:05 pm-10:25 pm

2 stops47h 20m

$2,620

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Billund to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billund to San Diego in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billund-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billund-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billund-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billund-San Diego flights, Cheapflights users trust eDreams the most. eDreams 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 Billund-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 Billund to San Diego

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

How far ahead should I book a flight from Billund to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Billund to San Diego. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from Billund to San Diego, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 April 17, 2025.
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

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
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

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
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

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
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

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
Lufthansa
6.7
Okay
7,012 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

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 Billund 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 Billund to San Diego round-trip?

    According to our current data, KLM ($661), Delta ($670), and Lufthansa ($720) offers the cheapest pricing from Billund to San Diego. KLM is priced at 7% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Billund 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 Billund to San Diego?

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

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

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