Question 1

What is the cheapest flight from Billund to San Francisco?

Accepted Answer

In the last 3 days, the lowest price for a flight from Billund to San Francisco was $575 for a one-way ticket and $747 for a round-trip. <a href='/flight-routes/Billund-BLL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Billund and San Francisco?

Accepted Answer

Yes <a href='/flight-routes/Billund-BLL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Billund to San Francisco?

Accepted Answer

Billund airport is called Billund and the only airport in San Francisco is San Francisco. <a href='/flight-routes/Billund-BLL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Billund to San Francisco?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

What is the cheapest month to fly from Billund to San Francisco?

Accepted Answer

The cheapest month for flights from Billund to San Francisco is February, where tickets cost $626 (return) on average. On the other hand, the most expensive months are July and January, where the average cost of round-trip tickets is $1,121 and $1,115 respectively.

Question 6

What is the cheapest month to fly from Billund to San Francisco?

Accepted Answer

The cheapest month for flights from Billund to San Francisco is February, where tickets cost $626 (return) on average. On the other hand, the most expensive months are July and January, where the average cost of round-trip tickets is $1,121 and $1,115 respectively.

Question 7

How does KAYAK find such low prices on flights from Billund to San Francisco?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Billund to San Francisco. <a href='/flight-routes/Billund-BLL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 8

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Billund to San Francisco?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Billund is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Billund-BLL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 9

What is the Hacker Fare option on flights from Billund to San Francisco?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Billund with another airline. Booking your flights between Billund and SFO can sometimes prove cheaper using this method. <a href='/flight-routes/Billund-BLL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 10

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Billund to San Francisco?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Billund up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Billund-BLL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 11

What is the cheapest layover airport when flying from Billund to San Francisco?

Accepted Answer

Flights via Warsaw (WAW) offer the most affordable fares, with an average round-trip price of $791.

Question 12

What is the most popular layover airport when flying from Billund to San Francisco?

Accepted Answer

Frankfurt am Main (FRA) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from Billund to San Francisco picked an itinerary connecting there.

Question 13

Which layover airport has the quickest connection when flying from Billund to San Francisco?

Accepted Answer

If you prefer a quick connection, Frankfurt am Main (FRA) often has the shortest layovers from Billund to San Francisco, with an average of 2h 15m.

Question 14

Which layover airport offers the shortest total travel time from Billund to San Francisco?

Accepted Answer

Consider flying via Amsterdam (AMS) for the shortest journey. The average one-way travel time for flights connecting there is 14h 45m.

Question 15

Which airlines provide the cheapest flights from Billund to San Francisco?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Billund to San Francisco were found on Lufthansa ($747) and United Airlines ($847).

Question 16

Which airlines provide the cheapest flights from Billund to San Francisco?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Billund to San Francisco were found on Lufthansa ($747) and United Airlines ($847).

Question 17

How far in advance should I book a flight from Billund to San Francisco?

Accepted Answer

To get a below average price on the flight from Billund to San Francisco, you should book around 2 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Question 18

How far in advance should I book a flight from Billund to San Francisco?

Accepted Answer

To get a below average price on the flight from Billund to San Francisco, you should book around 2 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Question 19

How much is a round-trip flight from Billund to San Francisco?

Accepted Answer

Flight prices are below average for this route right now.Flights to San Francisco from Billund usually cost between $1,068 and $748 in October.
The lowest price found in the past 3 days was $747 on Lufthansa (Oct 21-Nov 4).

Low season	January
High season	June
Cheapest flight	$575

BLL - SFO

$575 Find Cheap Flights from Billund to San Francisco

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Everything you should know

Cheap Flights from Billund to San Francisco (BLL-SFO)

Recent round-trip flight deals from Billund to San Francisco

Recent one-way flight deals from Billund to San Francisco

KAYAK's insights & trends for Billund to San Francisco flights

Get data-powered insights and trends into flights from Billund to San Francisco to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Billund to San Francisco?

What is the cheapest month to fly from Billund to San Francisco?

The cheapest month for flights from Billund to San Francisco is February, where tickets cost $626 (return) on average. On the other hand, the most expensive months are July and January, where the average cost of round-trip tickets is $1,121 and $1,115 respectively.

How far in advance should I book a flight from Billund to San Francisco?

To get a below average price on the flight from Billund to San Francisco, you should book around 2 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Which airlines provide the cheapest flights from Billund to San Francisco?

In the past 3 days, the cheapest round-trip tickets from Billund to San Francisco were found on Lufthansa ($747) and United Airlines ($847).

What is the most popular layover airport when flying from Billund to San Francisco?

Frankfurt am Main (FRA) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from Billund to San Francisco picked an itinerary connecting there.

What is the cheapest layover airport when flying from Billund to San Francisco?

Flights via Warsaw (WAW) offer the most affordable fares, with an average round-trip price of $791.

Which layover airport offers the shortest total travel time from Billund to San Francisco?

Consider flying via Amsterdam (AMS) for the shortest journey. The average one-way travel time for flights connecting there is 14h 45m.

Which layover airport has the quickest connection when flying from Billund to San Francisco?

If you prefer a quick connection, Frankfurt am Main (FRA) often has the shortest layovers from Billund to San Francisco, with an average of 2h 15m.

Good to know

When to book flights from Billund to San Francisco

FAQs for booking flights from Billund to San Francisco

What is the cheapest flight from Billund to San Francisco?

In the last 3 days, the lowest price for a flight from Billund to San Francisco was $575 for a one-way ticket and $747 for a round-trip.

Do I need a passport to fly between Billund and San Francisco?

Yes

Which airports will I be using when flying from Billund to San Francisco?

Billund airport is called Billund and the only airport in San Francisco is San Francisco.

Which aircraft models fly most regularly from Billund to San Francisco?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Billund to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Billund to San Francisco.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Billund to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Billund is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Billund to San Francisco?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Billund to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Billund up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Billund to San Francisco

Information on your arrival and departure airports

Cabin class types available on flights from Billund to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental

Find direct flights to and from Billund and San Francisco

Flights to other popular destinations

Flights from domestic origins to San Francisco

Choose which airport to fly into in San Francisco

Find deals for your return flight