$330 Cheap KLM flights Stockholm (ARN) to Tromsø (TOS)

Finding cheap one-way KLM flights from ARN to TOS from $330 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $453 for your next exciting getaway.**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.

Look for return or one-way flights to Tromsø in May or April. You could find lower fares with KLM during these off-peak months.

Search for KLM flights from ARN to TOS about one month before you want to leave. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class and itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**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.

Simply enter your dates, hit search and select “Nonstop” on Expedia to find any direct flights from ARN to TOS with KLM or other carriers.

To find the earliest departures from ARN to TOS with KLM, sort your results by “Early Morning” and “Morning.” Choosing an early flight usually means cancellations are less likely.**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.

KLM flights from Arlanda Airport (ARN) to Tromsø arrive at Langnes Airport (TOS). This is the main entry point here.

With a 4-star airline rating, KLM is a favorite of many passengers flying from ARN to TOS. Plus, as a KLM Flying Blue and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely board an Airbus A320neo or an Airbus A320 when flying KLM from Arlanda Airport (ARN) to Langnes Airport (TOS). However, keep in mind that a different aircraft may be assigned depending on operational factors.

Depending on your ticket type, a fee will generally apply if you change or cancel your booking more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when looking for flights. For more details on changing or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”