Cheap flights from Denver to Upper Town

View AU$922 flight on Mon, 29 Sep. 2025Opens in a new window

Popular airlines from Denver to Upper Town

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Cheap Flights from Denver (DEN) to Upper Town (ZAG)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 29 Sep. - Mon, 6 Oct.
DEN
Denver
ZAG
Zagreb
AU$1,238 Return, found 6 days ago
AU$1,238
Return
found 6 days ago
Select British Airways flight, departing Mon, 29 Sep. from Denver to Zagreb, returning Mon, 6 Oct., priced at AU$1,238 found 6 days ago
United
Mon, 29 Sep. - Mon, 6 Oct.
DEN
Denver
ZAG
Zagreb
AU$1,291 Return, found 6 days ago
AU$1,291
Return
found 6 days ago
Select United flight, departing Mon, 29 Sep. from Denver to Zagreb, returning Mon, 6 Oct., priced at AU$1,291 found 6 days ago
United
Mon, 29 Sep. - Mon, 6 Oct.
DEN
Denver
ZAG
Zagreb
AU$1,297 Return, found 6 days ago
AU$1,297
Return
found 6 days ago
Select United flight, departing Mon, 29 Sep. from Denver to Zagreb, returning Mon, 6 Oct., priced at AU$1,297 found 6 days ago
Lufthansa
Mon, 29 Sep. - Mon, 6 Oct.
DEN
Denver
ZAG
Zagreb
AU$1,321 Return, found 6 days ago
AU$1,321
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 29 Sep. from Denver to Zagreb, returning Mon, 6 Oct., priced at AU$1,321 found 6 days ago
KLM
Mon, 29 Sep. - Mon, 6 Oct.
DEN
Denver
ZAG
Zagreb
AU$1,369 Return, found 6 days ago
AU$1,369
Return
found 6 days ago
Select KLM flight, departing Mon, 29 Sep. from Denver to Zagreb, returning Mon, 6 Oct., priced at AU$1,369 found 6 days ago
Delta
Mon, 29 Sep. - Mon, 6 Oct.
DEN
Denver
ZAG
Zagreb
AU$1,400 Return, found 6 days ago
AU$1,400
Return
found 6 days ago
Select Delta flight, departing Mon, 29 Sep. from Denver to Zagreb, returning Mon, 6 Oct., priced at AU$1,400 found 6 days ago
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