$416 Cheap Flights from Trondheim (TRD) to Chicago (ORD)

View $416 flight on Wed, May 20, 2026Opens in a new window

Popular airlines from Vaernes Airport (TRD) to Chicago O'Hare Intl. Airport (ORD)

Cheap Flights from Trondheim to Chicago (TRD-ORD)

Prices were available within the past 7 days and start at $416 for one-way flights and $733 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$733 Roundtrip, found 2 days ago
$733
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $733 found 2 days ago
KLM
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$744 Roundtrip, found 2 days ago
$744
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $744 found 2 days ago
KLM
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$761 Roundtrip, found 2 days ago
$761
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $761 found 2 days ago
KLM
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$772 Roundtrip, found 2 days ago
$772
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $772 found 2 days ago
Delta
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$786 Roundtrip, found 2 days ago
$786
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $786 found 2 days ago
Air France
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$797 Roundtrip, found 2 days ago
$797
Roundtrip
found 2 days ago
Select Air France flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $797 found 2 days ago
Scandinavian Airlines
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$801 Roundtrip, found 2 days ago
$801
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $801 found 2 days ago
Delta
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$814 Roundtrip, found 2 days ago
$814
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $814 found 2 days ago
KLM
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$841 Roundtrip, found 2 days ago
$841
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $841 found 2 days ago
TAP Portugal
Tue, Oct 28 - Sun, Nov 9
TRD
Trondheim
ORD
Chicago
$1,373 Roundtrip, found 2 days ago
$1,373
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Oct 28 from Trondheim to Chicago, returning Sun, Nov 9, priced at $1,373 found 2 days ago
Flights from Trondheim (TRD) to Chicago (ORD)
Origin airport
Vaernes
Destination airport
O'Hare Intl.
Airlines serving
Delta, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines
Roundtrip price
$733
Distance
3925 mi

Trondheim to Chicago Flights

The cheapest times to fly from Trondheim to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Trondheim to Chicago are during the month of October. You can find some of the cheapest flights from Trondheim to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trondheim to Chicago

Sunday is one of the best days to book for cheap flights from Trondheim to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Trondheim to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Trondheim to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $416 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Trondheim to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Trondheim to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD) cost?
Get a cheap one-way flight from $416 or cheap return flight from $733 from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD)?
October is the least expensive month to fly from TRD to ORD. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest TRD to ORD flight.
How many flights per day from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD)?
You'll need to hop on a flight with a layover when traveling from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from TRD to ORD?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD)?
To touch down at O'Hare Intl. Airport (ORD) on time, pick a flight that leaves from Vaernes Airport (TRD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD) last-minute?
Booking your flight from TRD to ORD just before your journey is typically more expensive. But if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a TRD to ORD flight and hotel package?
Securing a TRD to ORD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Vaernes Airport (TRD) to O'Hare Intl. Airport (ORD)?
You can usually cancel or reschedule your TRD to ORD flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.