What is the cheapest airline that flies from Chicago O'Hare Intl to Trondheim Vaernes?

KLM is the most popular carrier operating from Chicago O'Hare Intl to Trondheim Vaernes

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?

Prices for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?

As of August 2025, there are 2 operators available to choose from for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport.

What documentation or ID do you need to fly to Trondheim Vaernes Airport?

The required travel and health documents for your Trondheim Vaernes Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trondheim Vaernes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$425 Cheap Flights from Chicago O'Hare Intl Airport to Trondheim in 2025

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Find the cheapest flights from Chicago O'Hare Intl Airport to Trondheim

Round-trip

One-way

Cheap round-trip flights

7:20 pm - 12:40 amORD-TRD

22h 20m1 stop

6:25 am - 4:45 pmTRD-ORD

17h 20m2 stops

$425Scandinavian Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

7:20 pm - 12:40 amORD-TRD

22h 20m1 stop

7:15 am - 4:45 pmTRD-ORD

16h 30m2 stops

$426Scandinavian Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

7:20 pm - 8:05 pmORD-TRD

17h 45m2 stops

7:15 am - 4:45 pmTRD-ORD

16h 30m2 stops

$430Scandinavian Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

10:35 pm - 7:15 amORD-TRD

25h 40m2 stops

10:00 am - 2:50 pmTRD-ORD

35h 50m2 stops

$621Finnair

Find Deal

Thu, Sep 25 - Tue, Sep 30

10:40 am - 9:35 amORD-TRD

15h 55m2 stops

6:00 am - 2:10 pmTRD-ORD

15h 10m1 stop

$627Delta

Find Deal

Wed, Sep 24 - Thu, Oct 2

7:00 am - 9:35 amORD-TRD

19h 35m2 stops

6:00 am - 2:10 pmTRD-ORD

15h 10m1 stop

$628Delta

Find Deal

Thu, Sep 25 - Tue, Sep 30

4:40 pm - 4:30 pmORD-TRD

16h 50m1 stop

6:00 am - 2:40 pmTRD-ORD

15h 40m1 stop

$652KLM

Find Deal

Wed, Sep 17 - Wed, Sep 24

4:40 pm - 4:30 pmORD-TRD

16h 50m1 stop

5:05 pm - 2:10 pmTRD-ORD

28h 05m1 stop

$653KLM

Find Deal

Wed, Sep 24 - Thu, Oct 2

7:25 pm - 8:55 amORD-TRD

30h 30m3 stops

6:20 pm - 9:15 pmTRD-ORD

33h 55m3 stops

$845

Find Deal

Wed, Sep 24 - Thu, Oct 2

7:25 pm - 11:35 amORD-TRD

33h 10m3 stops

8:20 pm - 9:15 pmTRD-ORD

31h 55m3 stops

$866

Find Deal

Fri, Sep 19 - Thu, Oct 2

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Trondheim

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Trondheim flight tickets

Scandinavian Airlines

Nov 13

ORD7:20 pmChicago O'Hare Intl

22h 20m

1 stop

TRD12:40 amTrondheim Vaernes

Nov 17

TRD6:25 amTrondheim Vaernes

17h 20m

2 stops

ORD4:45 pmChicago O'Hare Intl

$425

Find similar

Scandinavian Airlines

Nov 13

ORD7:20 pmChicago O'Hare Intl

22h 20m

1 stop

TRD12:40 amTrondheim Vaernes

Nov 17

TRD7:15 amTrondheim Vaernes

16h 30m

2 stops

ORD4:45 pmChicago O'Hare Intl

$426

Find similar

Scandinavian Airlines

Nov 13

ORD7:20 pmChicago O'Hare Intl

17h 45m

2 stops

TRD8:05 pmTrondheim Vaernes

Nov 17

TRD7:15 amTrondheim Vaernes

16h 30m

2 stops

ORD4:45 pmChicago O'Hare Intl

$430

Find similar

Delta flights from Chicago O'Hare Intl Airport to Trondheim

Our best Delta deals on Chicago O'Hare Intl Airport to Trondheim flight tickets

Delta

Sep 24

ORD10:40 amChicago O'Hare Intl

15h 55m

2 stops

TRD9:35 amTrondheim Vaernes

Oct 2

TRD6:00 amTrondheim Vaernes

15h 10m

1 stop

ORD2:10 pmChicago O'Hare Intl

$627

Find similar

Delta

Sep 25

ORD7:00 amChicago O'Hare Intl

19h 35m

2 stops

TRD9:35 amTrondheim Vaernes

Sep 30

TRD6:00 amTrondheim Vaernes

15h 10m

1 stop

ORD2:10 pmChicago O'Hare Intl

$628

Find similar

Delta

Sep 19

ORD7:00 amChicago O'Hare Intl

19h 35m

2 stops

TRD9:35 amTrondheim Vaernes

Oct 2

TRD6:00 amTrondheim Vaernes

22h 25m

2 stops

ORD9:25 pmChicago O'Hare Intl

$637

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Trondheim that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Thu 11/13

7:20 pm-12:40 am

1 stop22h 20m

Trondheim Vaernes

Mon 11/17

6:25 am-4:45 pm

2 stops17h 20m

$425

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Thu 11/13

7:20 pm-12:40 am

1 stop22h 20m

Trondheim Vaernes

Mon 11/17

7:15 am-4:45 pm

2 stops16h 30m

$426

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Thu 11/13

7:20 pm-8:05 pm

2 stops17h 45m

Trondheim Vaernes

Mon 11/17

7:15 am-4:45 pm

2 stops16h 30m

$430

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Thu 9/25

10:35 pm-7:15 am

2 stops25h 40m

Trondheim Vaernes

Tue 9/30

10:00 am-2:50 pm

2 stops35h 50m

$621

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 9/24

10:40 am-9:35 am

2 stops15h 55m

Trondheim Vaernes

Thu 10/2

6:00 am-2:10 pm

1 stop15h 10m

$627

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Thu 9/25

7:00 am-9:35 am

2 stops19h 35m

Trondheim Vaernes

Tue 9/30

6:00 am-2:10 pm

1 stop15h 10m

$628

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 9/17

4:40 pm-4:30 pm

1 stop16h 50m

Trondheim Vaernes

Wed 9/24

6:00 am-2:40 pm

1 stop15h 40m

$652

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 9/24

4:40 pm-4:30 pm

1 stop16h 50m

Trondheim Vaernes

Thu 10/2

5:05 pm-2:10 pm

1 stop28h 05m

$653

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Wed 9/24

7:25 pm-8:55 am

3 stops30h 30m

Trondheim Vaernes

Thu 10/2

6:20 pm-9:15 pm

3 stops33h 55m

$845

ChicagoTrondheim

ORD - TRD

ORDTRD

Chicago O'Hare Intl

Fri 9/19

7:25 pm-11:35 am

3 stops33h 10m

Trondheim Vaernes

Thu 10/2

8:20 pm-9:15 pm

3 stops31h 55m

$866

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Trondheim

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Trondheim?

The cheapest day to depart on your flight to Trondheim is on a Sunday when prices can be found for as low as $574. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Trondheim is Wednesday, with ticket prices averaging around $658.

What is the cheapest time of day to depart on your flight to Trondheim?

According to our data, the cheapest time of day to fly to Trondheim is in the evening. momondo users have found flights departing from Chicago O'Hare Intl Airport to Trondheim in the evening for as low as $607. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $614.

When to book flights from Chicago O'Hare Intl Airport to Trondheim

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Trondheim according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Trondheim (ORD to TRD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Trondheim

Best Price Found	$453
Fastest flight time	12h 05m
Direct flights	None
Airports in Trondheim	1 airport

The best one-way flight to Trondheim from Chicago O'Hare Intl Airport in the past 72 hours is $453. The best round-trip flight deal from Chicago O'Hare Intl Airport to Trondheim found on momondo in the last 72 hours is $425.

The fastest flight from Chicago O'Hare Intl Airport to Trondheim takes 12h 05m

There are no direct flights from Chicago O'Hare Intl Airport to Trondheim. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Trondheim Vaernes Airport.

There is 1 airport near Trondheim: Trondheim Vaernes (TRD)

Search flight deals

How far is Chicago O'Hare Intl to Trondheim Vaernes by plane?
Chicago O'Hare Intl and Trondheim Vaernes are 3909.1 mi apart from one another. By plane, this route typically takes 12h 05m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?
Prices for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?
As of August 2025, there are 2 operators available to choose from for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport.
What documentation or ID do you need to fly to Trondheim Vaernes Airport?
The required travel and health documents for your Trondheim Vaernes Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trondheim Vaernes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Trondheim?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Trondheim is Scandinavian Airlines, representing 57% of all bookings. The subsequent popular airline is KLM at 43%.

Best airlines flying from Chicago O'Hare Intl Airport to Trondheim

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Trondheim with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $501	Free Cancellation	Rating 7.3 1,457 reviews		Search Scandinavian Airlines flights
KLM	PriceFrom $520	Free Cancellation	Rating 7.8 1,384 reviews		Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Trondheim?

It is quick and easy to find Chicago to Trondheim flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trondheim that suits you.

Can I find flights from Chicago to Trondheim with flexible booking policies on momondo?

Yes. All flights to Trondheim from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Trondheim?

Once you have performed a search for Chicago to Trondheim flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Trondheim right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Trondheim flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Norway

Cheap flights from Chicago O'Hare Intl Airport to Trondheim from $425

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

Find the cheapest flights from Chicago O'Hare Intl Airport to Trondheim

Cheap round-trip flights

Cheap one-way flights

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Trondheim

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Trondheim flight tickets

Delta flights from Chicago O'Hare Intl Airport to Trondheim

Our best Delta deals on Chicago O'Hare Intl Airport to Trondheim flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Trondheim that are best for you.

See travel insights to Trondheim from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Trondheim

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Trondheim?

What is the cheapest time of day to depart on your flight to Trondheim?

What is the cheapest airline that flies from Chicago O'Hare Intl to Trondheim Vaernes?

KLM is the most popular carrier operating from Chicago O'Hare Intl to Trondheim Vaernes

When to book flights from Chicago O'Hare Intl Airport to Trondheim

Cheap Chicago O'Hare Intl Airport to Trondheim (ORD to TRD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Trondheim

Best Price Found

Fastest flight time

Direct flights

Airports in Trondheim

How far is Chicago O'Hare Intl to Trondheim Vaernes by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Trondheim Vaernes Airport?

What documentation or ID do you need to fly to Trondheim Vaernes Airport?

What is the most popular airline from Chicago O'Hare Intl Airport to Trondheim?

Best airlines flying from Chicago O'Hare Intl Airport to Trondheim

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Trondheim with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Trondheim?

Can I find flights from Chicago to Trondheim with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Trondheim?

I’m not ready to book a flight from Chicago to Trondheim right now. Can momondo alert me if prices change?

An easier way to manage your Trondheim trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Norway

Airports servicing Norway