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Tromsø

$420+ Cheap flights from San Francisco (SFO) to Tromsø (TOS)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TOS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from San Francisco to Tromsø

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Tromsø (TOS). 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 October 28, 2025.

Round-trip from

$451
(Justfly.com)

One-way from

$420
(Delta)

Popular in

July

Cheapest in

October

Average price

$582
From San Francisco to Tromso/Langnes
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One-way flight from San Francisco to Tromso/Langnes
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Highest demand for flights based on searches. 19% potential increase in price ($231 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from San Francisco to Tromsø

Cheapest flights from San Francisco to Tromsø
Explore the most affordable flight options available from San Francisco to Tromsø. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Justfly.com deal was found by Cheapflights users on 10/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:25 pmSFO - TOS
2 stops22h 10mScandinavian Airlines
Sun 12/142:45 pmTOS - SFO
2 stops32h 50mScandinavian Airlines
Deal found 10/28$451
This CrystalTravel deal was found by Cheapflights users on 10/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:40 pmSFO - TOS
2 stops18h 50mScandinavian Airlines
Mon 12/86:00 amTOS - SFO
2 stops17h 35mScandinavian Airlines
Deal found 10/27$469
This Scandinavian Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/103:35 pmSFO - TOS
2 stops18h 35mScandinavian Airlines
Wed 12/177:20 pmTOS - SFO
1 stop28h 15mScandinavian Airlines
Deal found 10/26$568
This CrystalTravel deal was found by Cheapflights users on 10/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:25 pmSFO - TOS
2 stops21h 45mScandinavian Airlines
Wed 12/38:10 pmTOS - SFO
2 stops27h 25mScandinavian Airlines
Deal found 10/27$588

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Tromsø 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 October 28, 2025.
Use the filters below to find and compare flights from San Francisco to Tromsø that are best for you.

Fly from

San Francisco

Fly to

Tromsø

Route

Depart

Return

Price

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Thu 12/4

12:25 pm-7:35 pm

2 stops22h 10m

Tromso/Langnes

Sun 12/14

2:45 pm-2:35 pm

2 stops32h 50m

$451

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Fri 2/20

4:40 pm-10:45 am

1 stop33h 05m

Tromso/Langnes

Fri 2/27

8:10 pm-2:35 pm

2 stops27h 25m

$471

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Mon 3/2

7:00 am-11:25 am

2 stops19h 25m

Tromso/Langnes

Mon 4/6

6:00 pm-2:40 pm

3 stops29h 40m

$474

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Fri 3/13

5:40 pm-6:20 pm

1 stop16h 40m

Tromso/Langnes

Tue 3/17

5:10 pm-3:35 pm

2 stops54h 25m

$506

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Sun 3/1

4:40 pm-11:45 pm

2 stops22h 05m

Tromso/Langnes

Tue 4/7

6:00 am-2:40 pm

2 stops17h 40m

$508

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Sun 2/15

3:40 pm-1:50 pm

1 stop37h 10m

$420

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Sun 2/15

8:00 am-9:40 am

3 stops40h 40m

$474

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Sun 2/15

2:26 pm-12:30 pm

2 stops37h 04m

$475

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Sat 1/17

7:00 am-11:05 pm

3 stops31h 05m

$1,377

San FranciscoTromsø

SFO - TOS

SFOTOS

San Francisco

Sat 1/17

1:35 pm-2:50 pm

1 stop16h 15m

$3,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 11 results
1
2

Best time to book a flight from San Francisco to Tromsø

Have a flexible travel schedule? Discover the best time to fly to Tromsø 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Tromsø

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Tromsø (average of $462). Flying from San Francisco to Tromsø in August is currently the most expensive (average of $1,092). 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.

What is the cheapest time of day to fly from SFO to TOS?

Find hourly flight availability from San Francisco to Tromsø. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

One of the essential ways to save on airfare from San Francisco to Tromsø is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 17% on airfare.

Reviews of airlines servicing Tromsø

Get insights into the airlines that provide service to Tromsø. 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 Tromsø. Reviews last updated October 28, 2025.
Peruse reviews from past customers who have flown with Finnair and Scandinavian Airlines from San Francisco to Tromsø to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,333 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.4

Food

6.7

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,333 reviews
Finnair
7.6
Good
1,333 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.4

Food

6.7

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Scandinavian Airlines
7.4
Good
1,543 reviews
Finnair
7.6
Good
1,333 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.4

Food

6.7

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

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

    There are many flights that can get you from San Francisco to Tromsø in 22h 10m. Fly via Scandinavian Airlines to get the fastest option. The distance from San Francisco to Tromsø is about 4766 mi.

  • What are the cheapest airlines flying from San Francisco to Tromsø round-trip?

    Cheapflights users have booked flights from San Francisco to Tromsø round-trip from $478. Another airline that can offer you cheap pricing is Finnair. Scandinavian Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Tromsø (average of $462). Flying from San Francisco to Tromsø in August is currently the most expensive (average of $1,092). 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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Top 2 airlines flying from San Francisco to Tromsø

Discover the top 2 airlines that operate flights from San Francisco to Tromsø. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$478Average$773FlexibilityNo cancel feeOn-time77%
FinnairCheapest$661Average$822FlexibilityNo cancel feeOn-time76%

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