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Trondheim

$730+ Cheap flights from San Francisco (SFO) to Trondheim (TRD)

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TRD
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
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 August 2, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 11/44:45 pm
SFO
-
TRD
2 stops55h 50m
Scandinavian Airlines
Sun 11/85:30 am
TRD
-
SFO
1 stop18h 20m
Scandinavian Airlines
Deal found 7/28$730
This eDestinos deal was found by Cheapflights users on 8/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:45 pm
SFO
-
TRD
2 stops35h 55m
Scandinavian Airlines
Sat 11/77:55 pm
TRD
-
SFO
1 stop27h 55m
Scandinavian Airlines
Deal found 8/1$738

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 August 2, 2026.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$730
(Scandinavian Airlines)
Provider with most accurate pricing for San Francisco-Trondheim Vaernes flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Trondheim Vaernes flights.
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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 August 2, 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

Wed 11/4

4:45 pm-9:35 am

2 stops55h 50m

Trondheim Vaernes

Sun 11/8

5:30 am-2:50 pm

1 stop18h 20m

$730
Quickest round-trip

San FranciscoTrondheim

SFO - TRD

SFOTRD

San Francisco

Fri 10/23

4:45 pm-5:40 pm

2 stops39h 55m

Trondheim Vaernes

Sat 11/7

8:20 am-2:50 pm

2 stops15h 30m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 August 2, 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
1,912 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.8

Food

6.8

Crew

8.0

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
1,912 reviews
Scandinavian Airlines
7.4
Good
1,912 reviews

Boarding

7.7

Overall

7.4

Entertainment

6.8

Food

6.8

Crew

8.0

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 $730, Scandinavian Airlines can have you in Trondheim from San Francisco in 55h 50m. There are 4995 mi between San Francisco and Trondheim.

  • 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$649Average$1,041FlexibilityNo cancel feeOn-time77%

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