$428+ Cheap flights from Illinois to Trondheim (TRD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Trondheim with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Trondheim
Keep the following information in mind while searching for Illinois to Trondheim flight deals. Data was last updated April 22, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $726 (Delta) |
One-way from | $428 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $582 |
Find flight deals from Illinois to Trondheim
Cheapest flights from Illinois to TrondheimExplore the most affordable flight options available from Illinois to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
Explore the most affordable flight options available from Illinois to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 4/21. 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.
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 April 22, 2025.
Use the filters below to find and compare flights from Illinois to Trondheim that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoTrondheim
ORD - TRD
ORDTRD
Chicago O'Hare Intl
Wed 6/4
10:05 am-11:30 am
2 stops18h 25m
Trondheim Vaernes
Wed 6/11
6:00 am-8:27 pm
2 stops21h 27m
ChicagoTrondheim
ORD - TRD
ORDTRD
Chicago O'Hare Intl
Wed 7/16
10:10 am-9:35 am
2 stops16h 25m
Trondheim Vaernes
Sun 7/20
3:45 pm-11:44 pm
2 stops38h 59m
ChicagoTrondheim
ORD - TRD
ORDTRD
Chicago O'Hare Intl
Thu 6/5
1:45 pm-11:30 am
2 stops14h 45m
Trondheim Vaernes
Thu 6/12
6:00 am-2:10 pm
1 stop15h 10m
ChicagoTrondheim
ORD - TRD
ORDTRD
Chicago O'Hare Intl
Wed 6/4
10:00 am-11:35 am
3 stops18h 35m
Trondheim Vaernes
Wed 6/11
7:55 pm-4:10 pm
2 stops27h 15m
ChicagoTrondheim
ORD - TRD
ORDTRD
Chicago O'Hare Intl
Sun 5/4
10:15 pm-8:25 pm
3 stops39h 10m
ChicagoTrondheim
ORD - TRD
ORDTRD
Chicago O'Hare Intl
Sun 5/4
4:20 pm-10:50 pm
1 stop23h 30m
ChicagoTrondheim
ORD - TRD
ORDTRD
Chicago O'Hare Intl
Fri 6/6
9:00 am-11:30 am
2 stops19h 30m
Best time to book a flight from Illinois to Trondheim
Have a flexible travel schedule? Discover the best time to fly to Trondheim from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Trondheim
Rainfall in Trondheim by month
Plan your trip to Trondheim by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Trondheim ranges from 1.8 - 4.3 inches per month. September is typically the wettest month, when rainfall can reach 4.3 in. April is typically the driest time to visit Trondheim when rainfall is around 1.8 in.
Temperature in Trondheim by month
Plan your trip to Trondheim by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Trondheim, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 55.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).
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 April 22, 2025.
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Illinois to Trondheim. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Trondheim
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Illinois to Trondheim
Discover the top 2 airlines that operate flights from Illinois 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 April 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$501 | Average$785 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$527 | Average$655 | FlexibilityNo cancel fee | On-time75% |