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$455+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
TRD — SFO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$455
(Ticket)

Popular in

June

Cheapest in

March

Average price

$564
From Trondheim Vaernes to San Francisco
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 11, 2025.

This Ticket deal was found by Cheapflights users on 9/10. 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.
jue. 10/166:00 amTRD - SFO
1 stop14h 45mKLM
lun. 10/201:45 pmSFO - TRD
2 stops17h 45mKLM
Deal found 9/10$455
This Delta deal was found by Cheapflights users on 9/10. 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.
jue. 10/166:00 amTRD - SFO
2 stops27h 05mDelta
lun. 10/2012:35 pmSFO - TRD
2 stops18h 55mDelta
Deal found 9/10$531
This Mytrip deal was found by Cheapflights users on 9/10. 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.
jue. 10/167:10 amTRD - SFO
2 stops21h 20mMultiple Airlines
lun. 10/204:05 pmSFO - TRD
3 stops21h 40mMultiple Airlines
Deal found 9/10$916

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 septiembre 11, 2025.
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

jue. 10/16

6:00 am-11:45 am

1 stop14h 45m

San Francisco

lun. 10/20

1:45 pm-4:30 pm

2 stops17h 45m

$455

TrondheimSan Francisco

TRD - SFO

TRDSFO

Trondheim Vaernes

jue. 10/16

6:00 am-12:05 am

2 stops27h 05m

San Francisco

lun. 10/20

12:35 pm-4:30 pm

2 stops18h 55m

$531

TrondheimSan Francisco

TRD - SFO

TRDSFO

Trondheim Vaernes

jue. 10/16

7:10 am-7:30 pm

2 stops21h 20m

San Francisco

lun. 10/20

4:05 pm-10:45 pm

3 stops21h 40m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, January is the cheapest month in which you can book a flight from Trondheim to San Francisco (average of $276). Flying from Trondheim to San Francisco in June is currently the most expensive (average of $357). 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 14h 45m. Fly via KLM or Delta to get the fastest option. There are 4995 mi between Trondheim and San Francisco. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, January is the cheapest month in which you can book a flight from Trondheim to San Francisco (average of $276). Flying from Trondheim to San Francisco in June is currently the most expensive (average of $357). 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

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