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Cheap flights from San Francisco to Sønderborg from $1,259

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Sønderborg departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Francisco to Sønderborg

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:05 am - 6:45 pm
SFO
-
SGD
22h 40m
2 stops
Multiple Airlines Logo
7:00 am - 8:19 pm
SGD
-
SFO
22h 19m
2 stops
$1,259Multiple Airlines
Thu, Jun 11 - Fri, Jun 26
Multiple Airlines Logo
4:45 pm - 10:45 pm
SFO
-
SGD
21h 00m
1 stop
Multiple Airlines Logo
7:00 am - 8:19 pm
SGD
-
SFO
22h 19m
2 stops
$1,344Multiple Airlines
Thu, Jun 11 - Fri, Jun 26
Multiple Airlines Logo
4:45 pm - 6:45 pm
SFO
-
SGD
17h 00m
1 stop
Multiple Airlines Logo
7:00 am - 2:40 pm
SGD
-
SFO
16h 40m
1 stop
$1,497Multiple Airlines
Thu, Jun 11 - Fri, Jun 26

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Sønderborg 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, momondo users made 832,500 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from San Francisco to Sønderborg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSønderborg

SFO - SGD

SFOSGD

San Francisco

Thu 6/11

11:05 am-6:45 pm

2 stops22h 40m

Sonderborg

Fri 6/26

7:00 am-8:19 pm

2 stops22h 19m

$1,259

San FranciscoSønderborg

SFO - SGD

SFOSGD

San Francisco

Thu 6/11

4:45 pm-10:45 pm

1 stop21h 00m

Sonderborg

Fri 6/26

7:00 am-8:19 pm

2 stops22h 19m

$1,344
Quickest round-trip

San FranciscoSønderborg

SFO - SGD

SFOSGD

San Francisco

Thu 6/11

4:45 pm-6:45 pm

1 stop17h 00m

Sonderborg

Fri 6/26

7:00 am-2:40 pm

1 stop16h 40m

$1,497

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sønderborg from

How to get the cheapest flight ticket from San Francisco to Sønderborg

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 airlines fly to Sønderborg?

Scandinavian Airlines, Lufthansa and Delta are the top three most popular airlines that fly to Sønderborg from San Francisco according to our data. Scandinavian Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Sønderborg. Keep in mind that there are 3 different airlines that fly to Sønderborg on a routine basis, so you have a few additional options to choose from.

When to book flights from San Francisco to Sønderborg

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Sønderborg according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Sønderborg (SFO to SGD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Sønderborg

Fastest flight time

22h 40m

Direct flights

None
The fastest flight from San Francisco to Sønderborg takes 22h 40m
There are no direct flights from San Francisco to Sønderborg. There are no popular flight routes from San Francisco to Sønderborg.
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  • How far is San Francisco to Sonderborg by plane?

    A flight from San Francisco to Sonderborg will travel around 5432.5 mi. 22h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Francisco Airport to Sonderborg Airport?

    Prices for flights from San Francisco Airport to Sonderborg Airport were last updated today.

  • How old do you have to be to fly from San Francisco Airport to Sonderborg 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 San Francisco Airport to Sonderborg Airport.

  • What documentation or ID do you need to fly to Sonderborg Airport?

    The necessary travel and health documents for your Sonderborg Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Sønderborg?

Finding the right flight to Sønderborg from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sønderborg quick and easy, saving you time and money.

Can I find flights from San Francisco to Sønderborg with flexible booking policies on momondo?

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

How can momondo help me find flights from San Francisco to Sønderborg?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Sønderborg.

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

Price alerts on flights to Sønderborg from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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