The cheapest times to fly from DEN to SUB are

  • January 22nd to May 13th (except the weeks of March 19th and March 26th)
  • October 8th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DEN to SUB is early to mid February. Prices can be as high as $2796 for Friday flights during mid December, or as low as $1082 for Tuesday flights around early to mid February.


When to Fly to Surabaya

Flying from Denver, CO (DEN) to Surabaya (SUB) will usually cost between $1092 to $2202 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid February with an average ticket price of $1125. Due to high demand the most expensive time to fly is mid December, with an average price of $2291. Planning your trip to low-cost times can easily save you $1166 on economy flights and even more on first-class flights. Generally, any price below $1229 can be considered a good price for a round-trip DEN to SUB flight.

See below for a graph of average weekly prices for the DEN to SUB route. All prices are for round-trip tickets in USD.

DEN to SUB Flight Prices

Compared to other flights, the DEN to SUB flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Denver. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $183 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1268. Return trip prices are from the SUB to DEN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DEN to SUB can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 34 minutes may not be realistic.


Flight Hacking DEN to SUB

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from DEN to SUB — but Champion Traveler does!

Hack #1: Los Angeles, CA (DEN > LAX > SUB)

  • Price for both tickets: $1033
  • Average savings: $196 (15.95%)

See DEN to LAX flights

Hack #2: San Francisco, CA (DEN > SFO > SUB)

  • Price for both tickets: $1075
  • Average savings: $155 (12.57%)

See DEN to SFO flights

Hack #3: Denpasar (DEN > DPS > SUB)

  • Price for both tickets: $1121
  • Average savings: $108 (8.79%)

See DEN to DPS flights


Flight Questions Answered

Still have questions about flying from DEN to SUB? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Air Canada, American, ANA, British Airways, Cathay Pacific, China Airlines, Delta, Frontier, Garuda Indonesia, JAL, Lufthansa, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from Juanda Airport to Denver International Airport?

The distance between the two airports is roughly 9213 miles or 14827 kilometers.

How long does it take to fly from DEN to SUB?

The real-world flight time for a nonstop DEN to SUB flight is about 17 hour 34 minutes.

How many flights go between Denver, CO and Surabaya?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from DEN to SUB.


Airport Location Info


Departing Airport

Origination codeDEN
Origination airport nameDenver International Airport
CityDenver, CO
Countrythe United States

Return Airport

Destination codeSUB
Destination airport nameJuanda Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.