$706 Cheap Flights from Trondheim (TRD) to Louisville (SDF)

View $706 flight on Fri, Jun 26, 2026Opens in a new window

Popular airlines from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF)

Cheap Flights from Trondheim to Louisville (TRD-SDF)

Prices were available within the past 7 days and start at $706 for one-way flights and $710 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Jan 12 - Mon, Jan 19
TRD
Trondheim
SDF
Louisville
$710 Roundtrip, found 6 days ago
$710
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jan 12 from Trondheim to Louisville, returning Mon, Jan 19, priced at $710 found 6 days ago
Scandinavian Airlines
Mon, Jan 12 - Mon, Jan 19
TRD
Trondheim
SDF
Louisville
$849 Roundtrip, found 6 days ago
$849
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jan 12 from Trondheim to Louisville, returning Mon, Jan 19, priced at $849 found 6 days ago
Scandinavian Airlines
Mon, Jan 12 - Mon, Jan 19
TRD
Trondheim
SDF
Louisville
$964 Roundtrip, found 6 days ago
$964
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jan 12 from Trondheim to Louisville, returning Mon, Jan 19, priced at $964 found 6 days ago
Scandinavian Airlines
Mon, Jan 12 - Mon, Jan 19
TRD
Trondheim
SDF
Louisville
$1,104 Roundtrip, found 6 days ago
$1,104
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jan 12 from Trondheim to Louisville, returning Mon, Jan 19, priced at $1,104 found 6 days ago
Flights from Trondheim (TRD) to Louisville (SDF)
Origin airport
Vaernes
Destination airport
Louisville Intl.
Roundtrip price
$710
Distance
4088 mi

Trondheim to Louisville Flights

The cheapest times to fly from Trondheim to Louisville

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 Louisville are during the month of January. You can find some of the cheapest flights from Trondheim to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trondheim to Louisville

Sunday is one of the best days to book for cheap flights from Trondheim to Louisville: 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 Louisville

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 Louisville in 2026. You can also book with separate airlines for your outbound and return journeys, from $706 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 Louisville 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 Louisville 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 Louisville Intl. Airport (SDF) cost?
Grab a cheap one-way flight from $706 or cheap return flight from $710 from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF)?
Planning your trip for January may help you find better deals, as it's the cheapest month for flights between TRD and SDF. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from TRD to SDF. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF)?
Nonstop flights from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TRD to SDF?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Louisville Intl. Airport (SDF)?
Choose a flight from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 Louisville Intl. Airport (SDF) last-minute?
Holding off until just before your trip to book your flight from TRD to SDF generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a TRD to SDF flight and hotel package?
Compared with arranging hotels and flights separately, booking a TRD to SDF flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Vaernes Airport (TRD) to Louisville Intl. Airport (SDF)?
In most instances, you can reschedule or cancel your TRD to SDF flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

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*Available to One Key members.