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$249+ Cheap flights from O'Hare Intl (ORD) to Trondheim (TRD)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRD
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Trondheim

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 January 12, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$376
(oojo)

One-way from

$249
(KLM)
Provider with most accurate pricing for Chicago O'Hare Intl-Trondheim Vaernes flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Trondheim Vaernes flights.
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From Chicago O'Hare Intl to Trondheim Vaernes
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One-way flight from Chicago O'Hare Intl to Trondheim Vaernes
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Find flight deals from O'Hare Intl to Trondheim

Cheapest flights from O'Hare Intl to Trondheim
Explore the most affordable flight options available from O'Hare Intl to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This oojo deal was found by Cheapflights users on 1/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:20 pm
ORD
-
TRD
2 stops13h 10m
Scandinavian Airlines
Wed 3/410:35 am
TRD
-
ORD
2 stops13h 10m
Scandinavian Airlines
Deal found 1/10$376
This Scandinavian Airlines deal was found by Cheapflights users on 1/11. 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 1/287:20 pm
ORD
-
TRD
1 stop12h 10m
Scandinavian Airlines
Sun 2/17:45 pm
TRD
-
ORD
1 stop28h 00m
Scandinavian Airlines
Deal found 1/11$466
This Finnair deal was found by Cheapflights users on 1/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:30 pm
ORD
-
TRD
2 stops28h 10m
Finnair
Mon 6/85:10 pm
TRD
-
ORD
2 stops31h 40m
Finnair
Deal found 1/10$664
This Lufthansa deal was found by Cheapflights users on 1/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:35 pm
ORD
-
TRD
1 stop18h 35m
Lufthansa
Mon 6/86:30 pm
TRD
-
ORD
1 stop32h 25m
Lufthansa
Deal found 1/10$752
This oojo deal was found by Cheapflights users on 1/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:15 pm
ORD
-
TRD
2 stops15h 40m
Scandinavian Airlines
Mon 6/83:05 pm
TRD
-
ORD
1 stop32h 05m
Scandinavian Airlines
Deal found 1/10$776

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 January 12, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Trondheim that are best for you.

Fly from

O'Hare Intl

Fly to

Trondheim

Route

Depart

Return

Price

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 2/25

7:20 pm-3:30 pm

2 stops13h 10m

Trondheim Vaernes

Wed 3/4

10:35 am-4:45 pm

2 stops13h 10m

$376

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 1/28

7:20 pm-12:40 am

1 stop22h 20m

Trondheim Vaernes

Sun 2/1

7:45 pm-4:45 pm

1 stop28h 00m

$466

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Mon 5/18

9:30 pm-8:40 am

2 stops28h 10m

Trondheim Vaernes

Mon 6/8

5:10 pm-5:50 pm

2 stops31h 40m

$664

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 1/21

4:25 pm-4:35 pm

1 stop17h 10m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Trondheim flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Chicago O'Hare Intl Airport-Trondheim flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Trondheim flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Trondheim flights, Cheapflights users trust Ovago the most. Ovago 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 Chicago O'Hare Intl Airport-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 O'Hare Intl to Trondheim

Have a flexible travel schedule? Discover the best time to fly to Trondheim from O'Hare Intl 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 January 12, 2026.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Trondheim, such as Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.3
Good
1,644 reviews

Food

6.6

Boarding

7.6

Crew

8.0

Comfort

7.3

Entertainment

6.6

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Scandinavian Airlines
7.3
Good
1,644 reviews
Scandinavian Airlines
7.3
Good
1,644 reviews

Food

6.6

Boarding

7.6

Crew

8.0

Comfort

7.3

Entertainment

6.6

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Trondheim. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Trondheim from Chicago O'Hare Intl?

    Trondheim Vaernes (TRD), located 16.4 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Trondheim. 1 airline have flights to Vaernes from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Trondheim Vaernes should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Trondheim?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Trondheim in 13h 10m. Fly via Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 3923 mi.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Trondheim round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to Trondheim is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $458 on this airline.

  • Can I find deals for flights from O'Hare Intl to Trondheim that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Trondheim flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Trondheim?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Trondheim.

  • Can I find deals for business class flights from O'Hare Intl to Trondheim?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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.

See more FAQs

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Top airline flying from O'Hare Intl to Trondheim

Discover the top airline that operate flights from O'Hare Intl 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$458Average$850FlexibilityNo cancel feeOn-time77%

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