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$592+ Cheap flights from Trondheim (TRD) 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
TRD — SFO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Trondheim to San Francisco

Cheapest flights from Trondheim to San Francisco
Explore the most affordable flight options available from Trondheim to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 4/237:45 pm
TRD
-
SFO
1 stop27h 55m
Scandinavian Airlines
Mon 4/274:45 pm
SFO
-
TRD
1 stop12h 40m
Scandinavian Airlines
Deal found 1/26$592
This Ticket deal was found by Cheapflights users on 1/27. 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 3/315:55 pm
TRD
-
SFO
1 stop29h 35m
Lufthansa
Sat 4/111:50 pm
SFO
-
TRD
2 stops18h 20m
Lufthansa
Deal found 1/27$614
This Flysmarter deal was found by Cheapflights users on 1/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:00 am
TRD
-
SFO
3 stops26h 00m
Multiple Airlines
Sat 4/115:50 am
SFO
-
TRD
2 stops20h 45m
Multiple Airlines
Deal found 1/27$1,161

Find flight deals from Trondheim to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Trondheim (TRD) 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$504
(Ticket)

Popular in

June

Cheapest in

January

Average price

$506
Provider with most accurate pricing for Trondheim Vaernes-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trondheim Vaernes-San Francisco flights.
Search Deals
From Trondheim Vaernes to San Francisco
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trondheim 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 January 27, 2026.
Use the filters below to find and compare flights from Trondheim to San Francisco that are best for you.

Fly from

Trondheim

Fly to

San Francisco

Route

Depart

Return

Price

TrondheimSan Francisco

TRD - SFO

TRDSFO

Trondheim Vaernes

Thu 4/23

7:45 pm-2:40 pm

1 stop27h 55m

San Francisco

Mon 4/27

4:45 pm-2:25 pm

1 stop12h 40m

$592

TrondheimSan Francisco

TRD - SFO

TRDSFO

Trondheim Vaernes

Tue 3/31

5:55 pm-2:30 pm

1 stop29h 35m

San Francisco

Sat 4/11

1:50 pm-5:10 pm

2 stops18h 20m

$614

TrondheimSan Francisco

TRD - SFO

TRDSFO

Trondheim Vaernes

Tue 3/31

6:00 am-11:00 pm

3 stops26h 00m

San Francisco

Sat 4/11

5:50 am-11:35 am

2 stops20h 45m

$1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Trondheim 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 Trondheim to San Francisco

What is the cheapest month to book a flight from Trondheim to San Francisco?

Currently, March is the cheapest month in which you can book a flight from Trondheim to San Francisco (average of $437). Flying from Trondheim to San Francisco in July is currently the most expensive (average of $848). 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.

Related info for your journey

Find useful and relevant information for your journey from Trondheim to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Trondheim to San Francisco?

    There are many flights that can get you from Trondheim to San Francisco in 27h 55m. Fly via Scandinavian Airlines to get the fastest option. There are 4995 mi between Trondheim and San Francisco.

  • Can I find deals for flights from Trondheim to San Francisco that include hotel bookings?

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

  • How can I find direct flights from Trondheim to San Francisco?

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

  • Can I find deals for business class flights from Trondheim to San Francisco?

    Yes. Cheapflights offers flight deals from Trondheim to San Francisco 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 Trondheim to San Francisco?

    Currently, March is the cheapest month in which you can book a flight from Trondheim to San Francisco (average of $437). Flying from Trondheim to San Francisco in July is currently the most expensive (average of $848). 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 San Francisco?

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Turlock
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