Find Cheap Flights from Houston George Bush Intcntl to Porto (IAH - 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 Houston George Bush Intcntl to Porto

(Round-trip)
Depart: Tue Sep 19 2017 Return: Wed Oct 4 2017 Trip spans 16 days
Iberia
Iberia
IAH
9:07a
OPO
1:45a
16h 38m
2 stops
OPO
4:20a
IAH
1:44a
21h 24m
2 stops
Depart: Wed Oct 4 2017 Return: Fri Oct 13 2017 Trip spans 10 days
Major Airline
Major Airline
IAH
3:30a
OPO
10:05p
18h 35m
2 stops
OPO
10:00p
IAH
4:00p
18h 00m
2 stops
Depart: Sun Jun 25 2017 Return: Tue Jul 11 2017 Trip spans 17 days
$1307
Select
Lufthansa
Lufthansa
IAH
11:50a
OPO
5:15a
17h 25m
1 stop
OPO
7:25a
IAH
4:25p
33h 00m
2 stops
Depart: Thu Jun 1 2017 Return: Fri Jun 9 2017 Trip spans 9 days
$1584
Select
Turkish Airlines
Turkish Airlines
IAH
4:55p
OPO
4:35a
35h 40m
1 stop
OPO
8:15a
IAH
9:05p
36h 50m
1 stop
Depart: Tue Oct 3 2017 Return: Sat Oct 14 2017 Trip spans 12 days
Iberia
Iberia
IAH
7:30a
OPO
12:35a
17h 05m
2 stops
OPO
4:05a
IAH
1:06a
21h 01m
2 stops
Depart: Fri Jun 30 2017 Return: Thu Jul 13 2017 Trip spans 14 days
$1801
Select
KLM
KLM
IAH
11:05a
OPO
1:00a
13h 55m
1 stop
OPO
7:15a
IAH
1:05a
17h 50m
2 stops
Depart: Sat Oct 7 2017 Return: Sat Oct 14 2017 Trip spans 8 days
Iberia
Iberia
IAH
7:30a
OPO
1:45a
18h 15m
2 stops
OPO
4:05a
IAH
1:06a
21h 01m
2 stops
Depart: Fri Oct 6 2017 Return: Sat Oct 14 2017 Trip spans 9 days
Iberia
Iberia
IAH
12:05p
OPO
6:35a
18h 30m
2 stops
OPO
4:05a
IAH
1:06a
21h 01m
2 stops
Depart: Tue May 16 2017 Return: Tue May 23 2017 Trip spans 8 days
$1340
Select
Iberia
Iberia
IAH
12:50p
OPO
6:35a
17h 45m
2 stops
OPO
4:05a
IAH
11:20p
19h 15m
2 stops
Depart: Sat Jul 1 2017 Return: Wed Jul 12 2017 Trip spans 12 days
$1699
Select
Iberia
Iberia
IAH
9:20a
OPO
1:45a
16h 25m
2 stops
OPO
4:20a
IAH
12:57a
20h 37m
2 stops
* 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

Houston
$831
Destination

Porto
$831