$768 Cheap Flights from San José (SJO) to Trondheim (TRD)

View $768 flight on Mon, Feb 9, 2026Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD)

Cheap Flights from San José to Trondheim (SJO-TRD)

Prices were available within the past 7 days and start at $768 for one-way flights and $923 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Tue, Feb 3 - Sun, Feb 8
SJO
San José
TRD
Trondheim
$923 Roundtrip, found 1 day ago
$923
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Feb 3 from San José to Trondheim, returning Sun, Feb 8, priced at $923 found 1 day ago
avianca
Tue, Feb 3 - Sun, Feb 8
SJO
San José
TRD
Trondheim
$937 Roundtrip, found 1 day ago
$937
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Feb 3 from San José to Trondheim, returning Sun, Feb 8, priced at $937 found 1 day ago
avianca
Tue, Feb 3 - Sun, Feb 8
SJO
San José
TRD
Trondheim
$948 Roundtrip, found 1 day ago
$948
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Feb 3 from San José to Trondheim, returning Sun, Feb 8, priced at $948 found 1 day ago
avianca
Tue, Feb 3 - Sun, Feb 8
SJO
San José
TRD
Trondheim
$951 Roundtrip, found 1 day ago
$951
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Feb 3 from San José to Trondheim, returning Sun, Feb 8, priced at $951 found 1 day ago
avianca
Mon, Feb 9 - Sun, Feb 15
SJO
San José
TRD
Trondheim
$965 Roundtrip, found 4 hours ago
$965
Roundtrip
found 4 hours ago
Select avianca flight, departing Mon, Feb 9 from San José to Trondheim, returning Sun, Feb 15, priced at $965 found 4 hours ago
avianca
Tue, Feb 3 - Sun, Feb 8
SJO
San José
TRD
Trondheim
$1,001 Roundtrip, found 1 day ago
$1,001
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Feb 3 from San José to Trondheim, returning Sun, Feb 8, priced at $1,001 found 1 day ago
avianca
Tue, Feb 3 - Sun, Feb 8
SJO
San José
TRD
Trondheim
$1,072 Roundtrip, found 1 day ago
$1,072
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Feb 3 from San José to Trondheim, returning Sun, Feb 8, priced at $1,072 found 1 day ago
avianca
Mon, Feb 9 - Sun, Feb 15
SJO
San José
TRD
Trondheim
$1,086 Roundtrip, found 4 hours ago
$1,086
Roundtrip
found 4 hours ago
Select avianca flight, departing Mon, Feb 9 from San José to Trondheim, returning Sun, Feb 15, priced at $1,086 found 4 hours ago
avianca
Tue, Feb 3 - Sun, Feb 8
SJO
San José
TRD
Trondheim
$1,123 Roundtrip, found 1 day ago
$1,123
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Feb 3 from San José to Trondheim, returning Sun, Feb 8, priced at $1,123 found 1 day ago
Swiss International Air Lines
Mon, Feb 9 - Sun, Feb 15
SJO
San José
TRD
Trondheim
$1,426 Roundtrip, found 4 hours ago
$1,426
Roundtrip
found 4 hours ago
Select Swiss International Air Lines flight, departing Mon, Feb 9 from San José to Trondheim, returning Sun, Feb 15, priced at $1,426 found 4 hours ago

Frequently asked questions

How much does a flight from Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD) cost?
Grab a cheap one-way flight from $768 or cheap return flight from $923 from Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD)?
Planning your getaway for February can help you save, as it's the cheapest month for flights between SJO and TRD. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from SJO to TRD. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD)?
You'll have to hop on a flight with a layover if you're traveling from Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SJO to TRD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD)?
To avoid possible delays on the Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD) last-minute?
Last-minute bookings from SJO to TRD are generally more expensive. To secure the lowest prices, start looking for flights well in advance. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your journey.
Is it cheaper to book a SJO to TRD flight and hotel package?
Compared with arranging flights and hotels separately, booking a SJO to TRD flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress 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 Juan Santamaria Intl. Airport (SJO) to Vaernes Airport (TRD)?
Typically, it's possible to cancel or reschedule your SJO to TRD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Juan Santamaría Intl.
Destination airport
Vaernes
Roundtrip price
$922
Distance
5757 mi

Book with confidence

San José to Trondheim Flights

The cheapest times to fly from San José to Trondheim

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

 

The best time to book a flight from San José to Trondheim

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

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 San José to Trondheim in 2025. You can also book with separate airlines for your outbound and return journeys, from $768 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 San José to Trondheim 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 San José to Trondheim 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.

 

San José to Trondheim Flights

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*Available to One Key members.