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Trondheim

$617+ Cheap flights from San Francisco (SFO) to Trondheim (TRD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TRD
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Cheap flight deals from San Francisco to Trondheim

Cheapest flights from San Francisco to Trondheim
Explore the most affordable flight options available from San Francisco to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.

This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:45 pm
SFO
-
TRD
2 stops14h 25m
Scandinavian Airlines
Sun 7/193:05 pm
TRD
-
SFO
1 stop32h 35m
Scandinavian Airlines
Deal found 7/8$1,016
This KAYAK deal was found by Cheapflights users on 7/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:45 pm
SFO
-
TRD
2 stops31h 30m
Scandinavian Airlines
Sat 7/189:15 pm
TRD
-
SFO
2 stops50h 25m
Scandinavian Airlines
Deal found 7/9$1,023
This Scandinavian Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 8/244:45 pm
SFO
-
TRD
2 stops36h 30m
Scandinavian Airlines
Wed 8/267:45 pm
TRD
-
SFO
1 stop27h 55m
Scandinavian Airlines
Deal found 7/7$1,118
This KLM deal was found by Cheapflights users on 7/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:30 am
SFO
-
TRD
2 stops20h 05m
KLM
Fri 1/16:20 am
TRD
-
SFO
2 stops23h 29m
KLM
Deal found 7/10$1,139

Find flight deals from San Francisco to Trondheim

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Trondheim (TRD). 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 July 12, 2026.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,102
(Scandinavian Airlines)

One-way from

$617
(oojo)
Provider with most accurate pricing for San Francisco-Trondheim Vaernes flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Trondheim Vaernes flights.
Search Deals
From San Francisco to Trondheim Vaernes
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One-way flight from San Francisco to Trondheim Vaernes
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Trondheim 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 July 12, 2026.
Use the filters below to find and compare flights from San Francisco to Trondheim that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoTrondheim

SFO - TRD

SFOTRD

San Francisco

Mon 8/24

4:45 pm-2:15 pm

2 stops36h 30m

Trondheim Vaernes

Wed 8/26

7:45 pm-2:40 pm

1 stop27h 55m

$1,118

San FranciscoTrondheim

SFO - TRD

SFOTRD

San Francisco

Thu 12/24

11:30 am-4:35 pm

2 stops20h 05m

Trondheim Vaernes

Fri 1/1

6:20 am-8:49 pm

2 stops23h 29m

$1,139
Quickest round-trip

San FranciscoTrondheim

SFO - TRD

SFOTRD

San Francisco

Thu 12/24

11:30 am-4:35 pm

2 stops20h 05m

Trondheim Vaernes

Sat 1/2

6:20 am-11:45 am

1 stop14h 25m

$1,215
Cheapest one-way
Quickest one-way

San FranciscoTrondheim

SFO - TRD

SFOTRD

San Francisco

Sun 8/9

7:30 pm-8:20 am

2 stops27h 50m

$659

San FranciscoTrondheim

SFO - TRD

SFOTRD

San Francisco

Sun 8/9

4:45 pm-9:20 pm

3 stops43h 35m

$2,361

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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

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

Reviews of airlines servicing Trondheim

Get insights into the airlines that provide service to Trondheim. 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 Trondheim. Reviews last updated July 12, 2026.
See what other customers who have flown with Scandinavian Airlines from San Francisco to Trondheim have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,875 reviews

Boarding

7.7

Food

6.7

Crew

8.0

Entertainment

6.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
Scandinavian Airlines
7.4
Good
1,875 reviews
Scandinavian Airlines
7.4
Good
1,875 reviews

Boarding

7.7

Food

6.7

Crew

8.0

Entertainment

6.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Trondheim. 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 San Francisco to Trondheim?

    For as low as $1,139, Scandinavian Airlines can have you in Trondheim from San Francisco in 20h 05m. There are 4995 mi between San Francisco and Trondheim. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from San Francisco to Trondheim round-trip?

    Scandinavian Airlines, at $649, was found to be the cheapest airline from San Francisco to Trondheim..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Trondheim by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for San Francisco to Trondheim

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Top airline flying from San Francisco to Trondheim

Discover the top airline that operate flights from San Francisco to Trondheim. 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 July 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$649Average$1,041FlexibilityNo cancel feeOn-time77%

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