$542 Cheap Finnair flights Los Angeles (LAX) to Tromsø (TOS)

View $542 flight on Wed, Feb 25, 2026Opens in a new window
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$542 Cheap Finnair flights Los Angeles (LAX) to Tromsø (TOS)

Prices were available within the past 7 days and start at $542 for one-way flights and $697 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Wed, Feb 25 - Thu, Mar 5
LAX
Los Angeles
TOS
Tromsø
$697 Roundtrip, found 5 hours ago
$697
Roundtrip
found 5 hours ago
Select Finnair flight, departing Wed, Feb 25 from Los Angeles to Tromsø, returning Thu, Mar 5, priced at $697 found 5 hours ago
Flights from Los Angeles (LAX) to Tromsø (TOS)
Origin airport
Los Angeles Intl.
Destination airport
Langnes
Airlines serving
Aer Lingus, Air France, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal
Popular airline
Scandinavian Airlines
Distance
4962 mi

Frequently asked questions

How much is a Finnair flight from Los Angeles Intl. Airport (LAX) to Langnes Airport (TOS)?
You'll discover budget-friendly return Finnair flights from $697 from LAX to TOS by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $542 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAX to TOS with Finnair?
Look for return or one-way flights to Tromsø in May or April. You could find lower fares with Finnair during these off-peak travel months.
What is the cheapest time to book flights from Los Angeles Intl. Airport (LAX) to Langnes Airport (TOS) with Finnair?
Getting the best Finnair deals from LAX to TOS is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Finnair fly nonstop from Los Angeles Intl. Airport (LAX) to Langnes Airport (TOS)?
Use our "Nonstop" filter when browsing for direct Finnair flights from LAX to TOS. It's also a good way to compare other airlines offering the same nonstop trip.
What is the earliest Finnair flight from LAX to TOS?
Find Finnair's earliest flights from LAX to TOS by selecting the "Morning" and "Early Morning" filters. Not only will you get to where you're going sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Finnair fly into in Tromsø?
Langnes Airport (TOS) is the main Tromsø hub for Finnair flights from Los Angeles Intl. Airport (LAX).
What kind of luggage can I take on a Finnair flight from Los Angeles Intl. Airport (LAX) to Langnes Airport (TOS)?
Finnair allows travelers to bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches on standard economy flights from LAX to TOS. Additionally, you can take 1 cabin bag in the cabin. This hand luggage must not exceed 9 inches x 15 inches x 15 inches and be no heavier than 22 lb. Baggage allowances can differ based on your cabin class and fare type, so double-check your booking or Finnair's website to avoid paying additional costs at the airport.
Why fly with Finnair from LAX to TOS?
Flying from LAX to TOS with Finnair comes with a host of perks, including a rewarding loyalty program and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That's in addition to the Finnair Plus points you can earn with Finnair.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Finnair flight from Los Angeles Intl. Airport (LAX) to Langnes Airport (TOS)?
Typically, you can reschedule or cancel your flight, although there may be additional charges if your booking was made over 24 hours ago. Want to keep your options open? Make use of Expedia's "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you need to alter your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.