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$425+ Cheap flights from O'Hare Intl (ORD) to Trondheim (TRD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$425
(Scandinavian Airlines)

Popular in

August

Cheapest in

January

Average price

$1,166
From Chicago O'Hare Intl to Trondheim Vaernes
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Highest demand for flights based on searches. 5% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 14, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 11/137:20 pmORD - TRD
1 stop22h 20mScandinavian Airlines
Mon 11/176:50 amTRD - ORD
2 stops16h 55mScandinavian Airlines
Deal found 8/13$425
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:36 amORD - TRD
2 stops20h 54mScandinavian Airlines
Tue 11/187:35 pmTRD - ORD
2 stops28h 10mScandinavian Airlines
Deal found 8/13$603
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. 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 9/247:10 amORD - TRD
2 stops43h 25mScandinavian Airlines
Thu 10/24:50 pmTRD - ORD
2 stops54h 20mScandinavian Airlines
Deal found 8/14$609
This KLM deal was found by Cheapflights users on 8/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:40 pmORD - TRD
1 stop16h 50mKLM
Thu 10/25:05 pmTRD - ORD
1 stop28h 05mKLM
Deal found 8/14$812
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:35 pmORD - TRD
2 stops49h 40mMultiple Airlines
Thu 10/29:00 amTRD - ORD
3 stops27h 41mMultiple Airlines
Deal found 8/13$1,017

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 August 14, 2025.
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

Thu 11/13

7:20 pm-7:05 pm

1 stop16h 45m

Trondheim Vaernes

Mon 11/17

7:15 am-4:45 pm

2 stops16h 30m

$425

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Tue 11/4

10:36 am-2:30 pm

2 stops20h 54m

Trondheim Vaernes

Tue 11/18

7:35 pm-4:45 pm

2 stops28h 10m

$603

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 9/24

7:10 am-9:35 am

2 stops43h 25m

Trondheim Vaernes

Thu 10/2

4:50 pm-4:10 pm

2 stops54h 20m

$609

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Fri 9/26

7:00 am-12:35 am

3 stops34h 35m

$1,931

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Fri 9/26

4:15 pm-11:30 am

1 stop12h 15m

$5,205

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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 August 14, 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Trondheim, such as KLM and Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,381 reviews
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Scandinavian Airlines
7.4
Good
1,468 reviews
KLM
7.8
Good
1,381 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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. 2 airlines 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.

  • What are the cheapest airlines flying 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 $501 on this airline. An additional option worth looking into is KLM, starting at $520. Scandinavian Airlines is currently priced 38% below the average price you’ll pay for this route.

  • 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 2 airlines flying from O'Hare Intl to Trondheim

Discover the top 2 airlines 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$501Average$788FlexibilityNo cancel feeOn-time77%
KLMCheapest$520Average$655FlexibilityNo cancel feeOn-time75%

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