
Most accurate provider | eDreams 3 stars  | 
|---|---|
Most trusted provider | eDreams 3 stars  | 
Round-trip from | $574 (Lufthansa)  | 
One-way from | $258 (Kiwi.com)  | 
Popular in | June | 
Cheapest in | February | 
Average price | $817 | 
Fly from
Fly to
Route
Depart
Return
Price
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Tue 1/13
11:15 am-12:05 pm
2 stops17h 50m
Porto
Fri 1/30
8:40 am-7:55 pm
2 stops18h 15m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Wed 2/18
11:15 am-12:05 pm
2 stops17h 50m
Porto
Tue 3/3
7:25 pm-10:56 pm
2 stops34h 31m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Mon 12/1
12:02 pm-10:30 am
2 stops15h 28m
Porto
Tue 12/9
9:55 am-11:45 pm
2 stops20h 50m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Mon 12/1
11:59 pm-10:30 am
2 stops27h 31m
Porto
Wed 12/10
6:00 am-8:02 pm
2 stops21h 02m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Tue 12/2
11:12 am-10:30 am
2 stops16h 18m
Porto
Tue 12/9
9:55 am-11:45 pm
2 stops20h 50m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Tue 12/2
6:46 am-10:30 am
2 stops20h 44m
Porto
Wed 12/10
6:00 am-8:02 pm
2 stops21h 02m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Tue 2/10
10:32 am-10:30 am
2 stops16h 58m
Porto
Tue 2/24
6:05 am-9:16 pm
2 stops22h 11m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Tue 12/9
10:24 am-10:30 am
2 stops17h 06m
Porto
Tue 1/13
6:05 am-10:48 pm
2 stops23h 43m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Tue 12/2
11:59 pm-10:30 am
2 stops27h 31m
Porto
Thu 12/11
11:20 am-11:45 pm
2 stops19h 25m
DenverPorto
DEN - OPO
DENOPO
Denver Intl
Mon 12/1
11:59 pm-10:30 am
2 stops27h 31m
Porto
Thu 12/11
11:20 am-11:45 pm
2 stops19h 25m
Currently, March is the cheapest month in which you can book a flight from Colorado to Porto (average of $574). Flying from Colorado to Porto in June is currently the most expensive (average of $1,116). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Colorado to Porto in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the afternoon, which is usually more expensive.
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$574 | Average$684 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$641 | Average$869 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$721 | Average$1,029 | FlexibilityNo cancel fee | On-time69% |