$499 Find Cheap Flights from Trondheim to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Trondheim to Illinois departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Trondheim to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Trondheim to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Trondheim to Illinois

Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
5:30 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
18h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 7:20 pmORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
17h 05m1 stop Kastrup Copenhagen
$652Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
5:30 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
18h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 7:20 pmORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
17h 05m1 stop Kastrup Copenhagen
$653Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
8:20 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
15h 25m2 stops Oslo Gardermoen Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 12:40 amORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
22h 25m1 stop Kastrup Copenhagen
$656Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
8:20 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
15h 25m2 stops Oslo Gardermoen Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 12:40 amORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
22h 25m1 stop Kastrup Copenhagen
$657Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
5:30 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
18h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 7:20 pmORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
17h 05m1 stop Kastrup Copenhagen
$658Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
8:20 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
15h 25m2 stops Oslo Gardermoen Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 8:30 pmORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
18h 15m2 stops Kastrup Copenhagen Oslo Gardermoen
$662Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
5:30 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
18h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 7:20 pmORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
17h 05m1 stop Kastrup Copenhagen
$664Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
7:00 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
16h 45m2 stops Oslo Gardermoen Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 7:20 pmORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
17h 05m1 stop Kastrup Copenhagen
$668Scandinavian Airlines
Sat, Oct 31 - Wed, Nov 4
Scandinavian Airlines Logo
8:20 am - 5:45 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
15h 25m2 stops Oslo Gardermoen Kastrup Copenhagen
Scandinavian Airlines Logo
7:15 pm - 8:30 pmORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
18h 15m2 stops Kastrup Copenhagen Oslo Gardermoen
$674Scandinavian Airlines
Thu, Aug 20 - Mon, Aug 24
KLM Logo
12:10 pm - 2:15 pmTRD  Trondheim Vaernes-ORD Chicago O'Hare Intl
33h 05m1 stop Amsterdam Schiphol
KLM Logo
4:50 pm - 11:35 amORD  Chicago O'Hare Intl-TRD Trondheim Vaernes
11h 45m1 stop Amsterdam Schiphol
$695KLM
Booking Insights

KAYAK's insights & trends for Trondheim to Illinois flights

Get data-powered insights and trends into flights from Trondheim to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Trondheim to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Trondheim to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Trondheim to Illinois is September, when tickets cost $0 (return) on average. On the other hand, the most expensive months are March and January, when the average cost of round-trip tickets is $2,408 and $1,177 respectively.

Find deals

Good to know

Low season

May

Cheapest flight

$499
Best time to beat the crowds with an average 40% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Trondheim to Chicago

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Trondheim to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Trondheim to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Trondheim to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Trondheim to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Trondheim to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Trondheim to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Trondheim to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Trondheim to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Trondheim to Illinois

Information on your arrival and departure airports

Trondheim (TRD)