$661+ Cheap flights from Billund (BLL) to San Francisco (SFO)
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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
BLL — SFO
Mar 6 — Mar 131
1 adult, Economy
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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
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Cheapest flights from Billund to San FranciscoExplore the most affordable flight options available from Billund to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from Billund to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:25 am
BLL
- SFO
1 stop18h 50m
LOT
Sat 6/1310:15 pm
SFO
- BLL
1 stop26h 30m
LOT
Deal found 2/2![LOT logo]()
$661
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:25 am
BLL
- SFO
1 stop18h 50m
LOT
Sat 5/2310:15 pm
SFO
- BLL
1 stop26h 30m
LOT
Deal found 2/2![LOT logo]()
$662
This United Airlines deal was found by Cheapflights users on 2/3. 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 11/66:30 am
BLL
- SFO
1 stop15h 10m
United Airlines
Tue 11/1010:48 am
SFO
- BLL
2 stops17h 32m
United Airlines
Deal found 2/3![United Airlines logo]()
$697
This LOT deal was found by Cheapflights users on 2/3. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:25 am
BLL
- SFO
1 stop18h 50m
LOT
Thu 7/163:50 pm
SFO
- BLL
1 stop18h 30m
LOT
Deal found 2/3![LOT logo]()
$737
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BLL
- SFO
1 stop15h 40m
Lufthansa
Sat 6/135:38 pm
SFO
- BLL
2 stops20h 57m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$842
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:55 pm
BLL
- SFO
1 stop26h 45m
Multiple Airlines
Sat 5/231:40 pm
SFO
- BLL
2 stops59h 25m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$854
This Ticket deal was found by Cheapflights users on 2/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
BLL
- SFO
1 stop14h 45m
Multiple Airlines
Fri 7/171:45 pm
SFO
- BLL
1 stop34h 50m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$953
This United Airlines deal was found by Cheapflights users on 2/3. 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 6/302:55 pm
BLL
- SFO
2 stops29h 26m
United Airlines
Fri 7/1710:45 pm
SFO
- BLL
2 stops26h 15m
United Airlines
Deal found 2/3![United Airlines logo]()
$959
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 6/3010:15 am
BLL
- SFO
2 stops21h 57m
Delta
Fri 7/171:45 pm
SFO
- BLL
1 stop19h 10m
Delta
Deal found 2/3![Delta logo]()
$990
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 6/296:40 am
BLL
- SFO
1 stop15h 10m
Delta
Thu 7/161:45 pm
SFO
- BLL
1 stop19h 10m
Delta
Deal found 2/3![Delta logo]()
$1,005
Best flights from Billund to San FranciscoDiscover carefully curated flight deals from Billund to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Billund to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:25 am
BLL
- SFO
1 stop18h 50m
LOT
Sat 6/1310:15 pm
SFO
- BLL
1 stop26h 30m
LOT
Deal found 2/2![LOT logo]()
$661
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:55 pm
BLL
- SFO
1 stop26h 45m
Multiple Airlines
Sat 5/231:40 pm
SFO
- BLL
2 stops59h 25m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$854
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 6/3010:15 am
BLL
- SFO
2 stops21h 57m
Delta
Fri 7/171:45 pm
SFO
- BLL
1 stop19h 10m
Delta
Deal found 2/3![Delta logo]()
$990
This British Airways deal was found by Cheapflights users on 2/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:40 am
BLL
- SFO
1 stop16h 00m
British Airways
Thu 7/164:35 pm
SFO
- BLL
1 stop19h 35m
British Airways
Deal found 2/3![British Airways logo]()
$1,096
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:25 am
BLL
- SFO
1 stop18h 50m
LOT
Sat 5/2310:15 pm
SFO
- BLL
1 stop26h 30m
LOT
Deal found 2/2![LOT logo]()
$662
This Ticket deal was found by Cheapflights users on 2/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
BLL
- SFO
1 stop14h 45m
Multiple Airlines
Fri 7/171:45 pm
SFO
- BLL
1 stop34h 50m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$953
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 6/296:40 am
BLL
- SFO
1 stop15h 10m
Delta
Thu 7/161:45 pm
SFO
- BLL
1 stop19h 10m
Delta
Deal found 2/3![Delta logo]()
$1,005
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 6/296:40 am
BLL
- SFO
1 stop15h 10m
Delta
Fri 7/171:45 pm
SFO
- BLL
1 stop19h 10m
Delta
Deal found 2/3![Delta logo]()
$1,017
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 6/296:40 am
BLL
- SFO
1 stop15h 10m
Delta
Sat 7/181:45 pm
SFO
- BLL
1 stop34h 50m
Delta
Deal found 2/3![Delta logo]()
$1,017
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 6/306:00 am
BLL
- SFO
1 stop14h 45m
Delta
Sat 7/181:45 pm
SFO
- BLL
1 stop19h 10m
Delta
Deal found 2/3![Delta logo]()
$1,113
Find flight deals from Billund to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Billund (BLL) to San Francisco (SFO). 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 February 4, 2026.
Round-trip from | $652 (Ticket) |
|---|---|
Popular in | July |
Cheapest in | February |
Average price | $615 |
Cheapflights Fare Finder
Customize your flight search to find flights from Billund to San Francisco 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 February 4, 2026.
Use the filters below to find and compare flights from Billund to San Francisco that are best for you.
Fly from
Billund
Fly to
San Francisco
Route
Depart
Return
Price
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Sat 5/30
10:25 am-8:15 pm
1 stop18h 50m
San Francisco
Sat 6/13
10:15 pm-9:45 am
1 stop26h 30m
$661
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Sat 5/9
10:25 am-8:15 pm
1 stop18h 50m
San Francisco
Sat 5/23
10:15 pm-9:45 am
1 stop26h 30m
$662
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Sat 5/9
6:55 pm-12:40 pm
1 stop26h 45m
San Francisco
Sat 5/23
1:40 pm-10:05 am
2 stops59h 25m
$854
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Tue 6/30
6:00 am-11:45 am
1 stop14h 45m
San Francisco
Fri 7/17
1:45 pm-9:35 am
1 stop34h 50m
$953
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Tue 6/30
10:15 am-11:12 pm
2 stops21h 57m
San Francisco
Fri 7/17
1:45 pm-5:55 pm
1 stop19h 10m
$990
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Mon 6/29
6:40 am-12:50 pm
1 stop15h 10m
San Francisco
Thu 7/16
1:45 pm-5:55 pm
1 stop19h 10m
$1,005
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Mon 6/29
6:40 am-12:50 pm
1 stop15h 10m
San Francisco
Fri 7/17
1:45 pm-5:55 pm
1 stop19h 10m
$1,017
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Mon 6/29
6:40 am-12:50 pm
1 stop15h 10m
San Francisco
Sat 7/18
1:45 pm-9:35 am
1 stop34h 50m
$1,017
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Tue 6/30
10:40 am-5:40 pm
1 stop16h 00m
San Francisco
Thu 7/16
4:35 pm-9:10 pm
1 stop19h 35m
$1,096
BillundSan Francisco
BLL - SFO
BLLSFO
Billund
Tue 6/30
6:00 am-11:45 am
1 stop14h 45m
San Francisco
Sat 7/18
1:45 pm-5:55 pm
1 stop19h 10m
$1,113
Best time to book a flight from Billund to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Billund with our price prediction graph.
BLL-SFO
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 Francisco
How far ahead should I book a flight from Billund to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from Billund to San Francisco. Price data was last updated on January 30, 2026.
Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from Billund to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Billund to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Billund to San Francisco (average of $527). Flying from Billund to San Francisco in July is currently the most expensive (average of $691). 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.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated February 4, 2026.
Read through reviews of airlines operating flights from Billund to San Francisco, such as Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.0
Overall
6.8
Entertainment
6.4
Crew
7.6
Food
6.3
Comfort
6.8
Reviews
1 / 20
4.0
OkayDjermouli,Dec 2025
FRA - SFO
Boarding
7.0
Overall
6.8
Entertainment
6.4
Crew
7.6
Food
6.3
Comfort
6.8
Reviews
1 / 20
4.0
OkayDjermouli,Dec 2025
FRA - SFO
Related info for your journey
Find useful and relevant information for your journey from Billund to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Cruz
Santa Clara
Roseville
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
San Lorenzo
Davis
Hollister
Redwood City
Manteca
Union City
Elk Grove
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Complete your trip
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Billund and San Francisco flights
Browse other Billund and San Francisco flight options. Last updated on February 4, 2026.
Popular flight searches
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Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 4, 2026.
Top airline flying from Billund to San Francisco
Discover the top airline that operate flights from Billund to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$537 | Average$729 | FlexibilityNo cancel fee | On-time76% |