Trip.com
>
Flights
>
Flights to Norway
>
Flights to Troms
>
Flights to Tromso
Hotels in Tromso
>
Flights from Chicago to Tromso

Find flight deals from Chicago to Tromso for the next 3 months. Book one way flights from $509 or round trip flights from $884.

      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Wed, Aug 19 | Lufthansa
        TOS 11:15 AM
        35h 40m
        1 stop
        ORD 3:55 PM
        Tromso - Chicago | Wed, Aug 26 | Swiss Airlines
        $884 $1,225
        28% off
        28% off
        $1,225 $884
      • ORD 7:05 PM
        32h 10m
        1 stop
        TOS 10:15 AM
        Chicago - Tromso | Fri, Aug 28 | Swiss Airlines
        TOS 3:20 PM
        28h 35m
        1 stop
        ORD 12:55 PM
        Tromso - Chicago | Fri, Sep 4 | Lufthansa
        $903 $1,225
        26% off
        26% off
        $1,225 $903
      • ORD 4:05 PM
        16h 5m
        1 stop
        TOS 3:10 PM
        Chicago - Tromso | Fri, Aug 14 | Lufthansa
        TOS 3:20 PM
        28h 35m
        1 stop
        ORD 12:55 PM
        Tromso - Chicago | Fri, Aug 21 | Lufthansa
        $904 $1,225
        26% off
        26% off
        $1,225 $904
      • ORD 7:15 PM
        12h 5m
        1 stop
        TOS 2:20 PM
        Chicago - Tromso | Tue, Aug 18 | Scandinavian Airlines
        TOS 12:00 PM
        35h 10m
        1 stop
        ORD 4:10 PM
        Tromso - Chicago | Tue, Aug 25 | Scandinavian Airlines
        $915
        25% off
        $1,225 $915
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Thu, Aug 20 | Lufthansa
        TOS 3:20 PM
        28h 35m
        1 stop
        ORD 12:55 PM
        Tromso - Chicago | Thu, Aug 27 | Lufthansa
        $917
        25% off
        $1,225 $917
      • ORD 7:15 PM
        12h 5m
        1 stop
        TOS 2:20 PM
        Chicago - Tromso | Tue, Sep 1 | Scandinavian Airlines
        TOS 12:00 PM
        35h 10m
        1 stop
        ORD 4:10 PM
        Tromso - Chicago | Tue, Sep 8 | Scandinavian Airlines
        $918
        25% off
        $1,225 $918
      • ORD 4:05 PM
        16h 5m
        1 stop
        TOS 3:10 PM
        Chicago - Tromso | Fri, Aug 28 | Lufthansa
        TOS 3:20 PM
        28h 35m
        1 stop
        ORD 12:55 PM
        Tromso - Chicago | Fri, Sep 4 | Lufthansa
        $924
        25% off
        $1,225 $924
      • ORD 7:05 PM
        32h 10m
        1 stop
        TOS 10:15 AM
        Chicago - Tromso | Fri, Aug 14 | Swiss Airlines
        TOS 3:20 PM
        35h 35m
        1 stop
        ORD 7:55 PM
        Tromso - Chicago | Fri, Aug 21 | Lufthansa
        $928
        24% off
        $1,225 $928
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Wed, Sep 2 | Lufthansa
        TOS 3:55 PM
        28h 25m
        1 stop
        ORD 1:20 PM
        Tromso - Chicago | Tue, Sep 8 | Austrian Airlines
        $937
        24% off
        $1,225 $937
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Wed, Aug 26 | Lufthansa
        TOS 3:20 PM
        28h 35m
        1 stop
        ORD 12:55 PM
        Tromso - Chicago | Wed, Sep 2 | Lufthansa
        $943
        23% off
        $1,225 $943
      • CHI 1:00 PM
        17h 25m
        1 stop
        TOS 2:00 PM
        Chicago - Tromso | Thu, Jul 23 | Normal Airline
        TOS 3:00 PM
        6h
        Nonstop
        CHI 4:00 PM
        Tromso - Chicago | Sat, Jul 25 | Normal Airline
        Find more flights
        Find more flights
      • ORD 10:30 PM
        33h
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Wed, Jul 29 | Lufthansa
        $509 $820
        38% off
        38% off
        $820 $509
      • ORD 9:30 PM
        13h 45m
        1 stop
        TOS 6:15 PM
        Chicago - Tromso | Sun, Sep 13 | Finnair
        $575 $820
        30% off
        30% off
        $820 $575
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Tue, Jul 28 | Lufthansa
        $587 $820
        28% off
        28% off
        $820 $587
      • ORD 7:05 PM
        16h 15m
        1 stop
        TOS 6:20 PM
        Chicago - Tromso | Thu, Aug 13 | Swiss Airlines
        $603
        26% off
        $820 $603
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Thu, Aug 13 | Lufthansa
        $608
        26% off
        $820 $608
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Thu, Aug 13 | United Airlines
        $613
        25% off
        $820 $613
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Tue, Aug 18 | Lufthansa
        $618
        25% off
        $820 $618
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Wed, Aug 5 | Lufthansa
        $618
        25% off
        $820 $618
      • ORD 9:30 PM
        29h 35m
        1 stop
        TOS 10:05 AM
        Chicago - Tromso | Tue, Aug 4 | Finnair
        $630
        23% off
        $820 $630
      • ORD 4:05 PM
        15h 25m
        1 stop
        TOS 2:30 PM
        Chicago - Tromso | Thu, Aug 20 | Lufthansa
        $631
        23% off
        $820 $631
      • CHI 1:00 PM
        17h 25m
        1 stop
        TOS 2:00 PM
        Chicago - Tromso | Thu, Jul 23 | Normal Airline
        Find more flights
        Find more flights

Find cheap airlines flights from Chicago to Tromso

You can choose from 1 airlines that fly from Chicago to Tromso, including Finnair, Lufthansa has lowest fares on this route.
Finnair logo Finnair
Airlines are determined based on actual purchased flight tickets from Chicago to Tromso according to previous 12 months data from Trip.com.

Flight Info | Chicago to Tromso

The distance between Chicago and Tromso is approximately 6,279.79 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is November.

Cheapest one-way flight price$509
Cheapest round-trip ticket price$884
Off-season for travelNovember
Peak season for travelJanuary
Flight distance6,279.79 km
Popular airlineFinnair
Flight statistics for the Chicago–Tromso route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Tromso (CHI-TOS)?

    Based on Trip.com data, Lufthansa offers one-way fares as low as $509 on Cheapest nonstop routes (e.g. ORD to TOS on Wed, Jul 29), while Lufthansa offers Cheapest nonstop round-trips from $884 departing on Wed, Aug 19 and returning on Wed, Aug 26.
  • At the moment, several airlines serve connecting flights from Chicago to Tromso, including: Finnair Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Tromso is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Chicago to Tromso, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jul 29, with one-way flights priced at just $509.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Lufthansa.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Tromso travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Tromso is November, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Chicago to Tromso on July 28, 2026 with Lufthansa, with prices starting at $509.
  • You can land at any one of the following hubs in Tromso, with O'Hare International Airport to Tromso Airport (ORD-TOS) is by far the most common option on this route: Tromso Airport (TOS).
  • The time difference between Tromso and Chicago is 7h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.