Find Deals on Flights from Denver International to Porto (DEN - OPO)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Denver International to Porto

(Round-trip)
Depart: Tue Mar 28 2017 Return: Fri Apr 14 2017 Trip spans 18 days
$1086
Select
TAP Portugal
TAP Portugal
DEN
2:00a
OPO
9:00p
19h 00m
1 stop
OPO
1:30a
DEN
12:21a
22h 51m
2 stops
Depart: Sun Mar 26 2017 Return: Tue Apr 18 2017 Trip spans 24 days
$1333
Select
Iberia
Iberia
DEN
6:10a
OPO
12:45a
18h 35m
2 stops
OPO
4:05a
DEN
1:19a
21h 14m
2 stops
Depart: Mon Mar 27 2017 Return: Tue Apr 18 2017 Trip spans 23 days
$1381
Select
Delta
Delta
DEN
9:41a
OPO
1:25a
39h 44m
2 stops
OPO
4:40a
DEN
10:39p
41h 59m
2 stops
Depart: Sat Mar 18 2017 Return: Mon Mar 27 2017 Trip spans 10 days
$1533
Select
Air Canada
Air Canada
DEN
3:15p
OPO
1:25a
34h 10m
2 stops
OPO
8:05a
DEN
1:51p
29h 46m
2 stops
Depart: Wed Mar 29 2017 Return: Fri Apr 14 2017 Trip spans 17 days
$1290
Select
TAP Portugal
TAP Portugal
DEN
5:50a
OPO
9:00p
15h 10m
2 stops
OPO
2:30a
DEN
12:21a
21h 51m
2 stops
Depart: Thu Mar 16 2017 Return: Tue Mar 28 2017 Trip spans 13 days
$1297
Select
TAP Portugal
TAP Portugal
DEN
2:00a
OPO
8:05p
18h 05m
1 stop
OPO
11:40a
DEN
11:28p
35h 48m
1 stop
Depart: Thu Mar 30 2017 Return: Thu Apr 13 2017 Trip spans 15 days
$1403
Select
TAP Portugal
TAP Portugal
DEN
2:00a
OPO
11:00p
21h 00m
2 stops
OPO
5:30p
DEN
12:21a
30h 51m
2 stops
Depart: Mon Mar 13 2017 Return: Mon May 1 2017 Trip spans 50 days
$1448
Select
TAP Portugal
TAP Portugal
DEN
8:50a
OPO
8:00a
23h 10m
2 stops
OPO
5:30p
DEN
11:29p
29h 59m
2 stops
Depart: Fri Mar 17 2017 Return: Tue Mar 28 2017 Trip spans 12 days
$1640
Select
TAP Portugal
TAP Portugal
DEN
8:50a
OPO
11:55p
15h 05m
2 stops
OPO
4:30a
DEN
1:12a
20h 42m
2 stops
Depart: Mon Mar 20 2017 Return: Thu Mar 23 2017 Trip spans 4 days
$13063
Select
TAP Portugal
TAP Portugal
DEN
2:00a
OPO
8:05p
18h 05m
1 stop
OPO
7:25a
DEN
11:23p
15h 58m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Denver
$1086
Destination

Porto
$1086