What is the cheapest airline that flies from Illinois to Trondheim Vaernes?

KLM is the most popular carrier operating from Illinois to Trondheim Vaernes

When did momondo last update prices for flights from Illinois to Trondheim Vaernes Airport?

Prices for flights from Illinois to Trondheim Vaernes Airport are updated daily.

How many operators does momondo search for flights from Illinois to Trondheim Vaernes Airport?

There is 1 operator available for flights from Illinois to Trondheim Vaernes Airport as of September 2026.

How old do you have to be to fly from Illinois to Trondheim Vaernes Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois 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.

$441 Cheap Flights from Illinois to Trondheim in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Trondheim

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 2:30 pmORD Chicago O'Hare Intl-TRD Trondheim Vaernes

12h 15m1 stop Kastrup Copenhagen

10:15 am - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

13h 30m1 stop Kastrup Copenhagen

$480Scandinavian Airlines

Mon, Nov 2 - Mon, Nov 9

7:15 pm - 2:30 pmORD Chicago O'Hare Intl-TRD Trondheim Vaernes

12h 15m1 stop Kastrup Copenhagen

7:15 am - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

16h 30m2 stops Oslo Gardermoen Kastrup Copenhagen

$482Scandinavian Airlines

Mon, Nov 2 - Mon, Nov 9

7:15 pm - 4:00 pmORD Chicago O'Hare Intl-TRD Trondheim Vaernes

13h 45m2 stops Kastrup Copenhagen Oslo Gardermoen

6:50 am - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

16h 55m2 stops Bergen Flesland Kastrup Copenhagen

$487Scandinavian Airlines

Mon, Nov 2 - Mon, Nov 9

7:15 pm - 2:30 pmORD Chicago O'Hare Intl-TRD Trondheim Vaernes

12h 15m1 stop Kastrup Copenhagen

10:15 am - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

13h 30m1 stop Kastrup Copenhagen

$544Scandinavian Airlines

Mon, Feb 1 - Fri, Feb 5

7:15 pm - 2:30 pmORD Chicago O'Hare Intl-TRD Trondheim Vaernes

12h 15m1 stop Kastrup Copenhagen

5:30 am - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

18h 15m1 stop Kastrup Copenhagen

$544Scandinavian Airlines

Mon, Feb 1 - Fri, Feb 5

7:15 pm - 9:40 amORD Chicago O'Hare Intl-TRD Trondheim Vaernes

31h 25m1 stop Kastrup Copenhagen

3:05 pm - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

32h 40m1 stop Kastrup Copenhagen

$545Scandinavian Airlines

Mon, Feb 1 - Fri, Feb 5

7:15 pm - 7:20 pmORD Chicago O'Hare Intl-TRD Trondheim Vaernes

17h 05m1 stop Kastrup Copenhagen

2:55 pm - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

32h 50m3 stops Bodø Tromso/Langnes Kastrup Copenhagen

$548Scandinavian Airlines

Mon, Feb 1 - Fri, Feb 5

7:15 pm - 6:10 pmORD Chicago O'Hare Intl-TRD Trondheim Vaernes

15h 55m2 stops Kastrup Copenhagen Bergen Flesland

6:00 am - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

17h 45m3 stops Bergen Flesland Oslo Gardermoen Kastrup Copenhagen

$720Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

7:15 pm - 9:05 amORD Chicago O'Hare Intl-TRD Trondheim Vaernes

30h 50m3 stops Kastrup Copenhagen Bergen Flesland Oslo Gardermoen

6:00 am - 4:45 pmTRD Trondheim Vaernes-ORD Chicago O'Hare Intl

17h 45m3 stops Bergen Flesland Oslo Gardermoen Kastrup Copenhagen

$747Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

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Scandinavian Airlines flights from Illinois to Trondheim

Our best Scandinavian Airlines deals on Illinois to Trondheim flight tickets

Scandinavian Airlines

Nov 2

ORD7:15 pmChicago O'Hare Intl

12h 15m

1 stop

TRD2:30 pmTrondheim Vaernes

Nov 9

TRD10:15 amTrondheim Vaernes

13h 30m

1 stop

ORD4:45 pmChicago O'Hare Intl

$480

Scandinavian Airlines

Nov 2

ORD7:15 pmChicago O'Hare Intl

12h 15m

1 stop

TRD2:30 pmTrondheim Vaernes

Nov 9

TRD7:15 amTrondheim Vaernes

16h 30m

2 stops

ORD4:45 pmChicago O'Hare Intl

$482

Scandinavian Airlines

Nov 2

ORD7:15 pmChicago O'Hare Intl

13h 45m

2 stops

TRD4:00 pmTrondheim Vaernes

Nov 9

TRD6:50 amTrondheim Vaernes

16h 55m

2 stops

ORD4:45 pmChicago O'Hare Intl

$487

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 11/2

7:15 pm-2:30 pm

1 stop12h 15m

Trondheim Vaernes

Mon 11/9

10:15 am-4:45 pm

1 stop13h 30m

$480

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 11/2

7:15 pm-2:30 pm

1 stop12h 15m

Trondheim Vaernes

Mon 11/9

7:15 am-4:45 pm

2 stops16h 30m

$482

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 11/2

7:15 pm-4:00 pm

2 stops13h 45m

Trondheim Vaernes

Mon 11/9

6:50 am-4:45 pm

2 stops16h 55m

$487

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 2/1

7:15 pm-2:30 pm

1 stop12h 15m

Trondheim Vaernes

Fri 2/5

10:15 am-4:45 pm

1 stop13h 30m

$544

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 2/1

7:15 pm-2:30 pm

1 stop12h 15m

Trondheim Vaernes

Fri 2/5

5:30 am-4:45 pm

1 stop18h 15m

$544

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 2/1

7:15 pm-9:40 am

1 stop31h 25m

Trondheim Vaernes

Fri 2/5

3:05 pm-4:45 pm

1 stop32h 40m

$545

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 2/1

7:15 pm-7:20 pm

1 stop17h 05m

Trondheim Vaernes

Fri 2/5

2:55 pm-4:45 pm

3 stops32h 50m

$548

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 11/2

7:15 pm-6:10 pm

2 stops15h 55m

Trondheim Vaernes

Mon 11/9

6:00 am-4:45 pm

3 stops17h 45m

$720

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Mon 11/2

7:15 pm-9:05 am

3 stops30h 50m

Trondheim Vaernes

Mon 11/9

6:00 am-4:45 pm

3 stops17h 45m

$747

Cheapest one-way

ChicagoTrondheim

ORD Chicago O'Hare Intl - TRD Trondheim Vaernes

ORDTRD

Chicago O'Hare Intl

Sun 9/20

10:25 pm-8:30 pm

2 stops39h 05m

$441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois 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

Can stopping save me money on Illinois to Trondheim flights?

You could potentially save up to 12% on your flight if you consider stops on a Illinois to Trondheim flight.

Cheap Illinois to Trondheim flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Trondheim

Best Price Found	$441
Fastest flight time	12h 15m
Direct flights	None

The best one-way flight to Trondheim from Illinois in the past 72 hours is $441. The best round-trip flight deal from Illinois to Trondheim found on momondo in the last 72 hours is $480.

The fastest flight from Illinois to Trondheim takes 12h 15m

There are no direct flights from Illinois to Trondheim. There are no popular flight routes from Illinois to Trondheim.

Search flight deals

Frequently asked questions about flying from Illinois to Trondheim

When did momondo last update prices for flights from Illinois to Trondheim Vaernes Airport?
Prices for flights from Illinois to Trondheim Vaernes Airport are updated daily.
How many operators does momondo search for flights from Illinois to Trondheim Vaernes Airport?
There is 1 operator available for flights from Illinois to Trondheim Vaernes Airport as of September 2026.
How old do you have to be to fly from Illinois to Trondheim Vaernes Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois 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.

Best airlines flying from Illinois to Trondheim

Compare and see reviews for airlines that fly from Illinois to Trondheim with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $458	Free Cancellation	Rating 7.4 1,984 reviews		Search Scandinavian Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Trondheim. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Trondheim from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Illinois to Trondheim flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Trondheim, momondo offers a useful price alert feature which will track prices for flights to Trondheim from Illinois and alert you when they change.