Find Cheap Flights to Porto

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

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

Book cheap flights to Porto

(Round-trip)
Depart: Thu Oct 12 2017 Return: Mon Oct 16 2017 Trip spans 5 days
TAP Portugal
TAP Portugal
JFK
OPO
12h 35m
1 stop
OPO
JFK
10h 30m
1 stop
Depart: Wed Sep 20 2017 Return: Sun Sep 24 2017 Trip spans 5 days
Royal Air Maroc
Royal Air Maroc
JFK
OPO
28h 50m
1 stop
OPO
JFK
29h 10m
1 stop
Depart: Mon Sep 4 2017 Return: Wed Sep 27 2017 Trip spans 24 days
Major Airline
Major Airline
EWR
OPO
9h 55m
1 stop
OPO
EWR
10h 20m
1 stop
Depart: Mon Sep 18 2017 Return: Fri Sep 22 2017 Trip spans 5 days
American Airlines
American Airlines
LGA
OPO
15h 30m
2 stops
OPO
LGA
15h 00m
2 stops
Depart: Sun Aug 13 2017 Return: Tue Sep 5 2017 Trip spans 24 days
KLM
KLM
EWR
OPO
11h 34m
1 stop
OPO
EWR
14h 26m
1 stop
Depart: Wed Aug 23 2017 Return: Fri Sep 1 2017 Trip spans 10 days
Iberia
Iberia
BOS
OPO
13h 05m
2 stops
OPO
BOS
11h 20m
1 stop
Depart: Sun Jul 16 2017 Return: Fri Jul 28 2017 Trip spans 13 days
Air Europa
Air Europa
BOS
OPO
10h 45m
1 stop
OPO
BOS
11h 00m
1 stop
Depart: Sun Jun 11 2017 Return: Tue Jun 20 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
JFK
OPO
35h 10m
1 stop
OPO
JFK
27h 30m
1 stop
Depart: Mon Aug 21 2017 Return: Wed Sep 6 2017 Trip spans 17 days
British Airways
British Airways
EWR
OPO
21h 05m
2 stops
OPO
EWR
22h 55m
2 stops
Depart: Wed Aug 23 2017 Return: Wed Sep 6 2017 Trip spans 15 days
Delta
Delta
LGA
OPO
19h 05m
2 stops
OPO
LGA
16h 20m
2 stops
Depart: Tue Sep 19 2017 Return: Sun Oct 1 2017 Trip spans 13 days
Lufthansa
Lufthansa
EWR
OPO
12h 05m
1 stop
OPO
EWR
14h 45m
1 stop
Depart: Fri Aug 25 2017 Return: Fri Sep 8 2017 Trip spans 15 days
Azores Airlines
Azores Airlines
PVD
OPO
9h 30m
1 stop
OPO
PVD
10h 15m
1 stop
Depart: Sun Oct 8 2017 Return: Sun Oct 15 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
BOS
OPO
8h 40m
1 stop
OPO
BOS
9h 50m
1 stop
Depart: Wed Oct 18 2017 Return: Sun Oct 22 2017 Trip spans 5 days
Royal Air Maroc
Royal Air Maroc
JFK
OPO
14h 45m
1 stop
OPO
JFK
12h 35m
1 stop
Depart: Thu Nov 23 2017 Return: Thu Nov 30 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
EWR
OPO
6h 35m
nonstop
OPO
EWR
8h 25m
nonstop
Depart: Thu Oct 5 2017 Return: Mon Oct 16 2017 Trip spans 12 days
Major Airline
Major Airline
EWR
OPO
16h 55m
1 stop
OPO
EWR
10h 20m
1 stop
Depart: Tue Aug 15 2017 Return: Tue Sep 26 2017 Trip spans 43 days
KLM
KLM
LGA
OPO
15h 30m
2 stops
OPO
LGA
16h 20m
2 stops
Depart: Thu Oct 5 2017 Return: Tue Oct 10 2017 Trip spans 6 days
Iberia
Iberia
PHL
OPO
17h 00m
2 stops
OPO
PHL
27h 55m
2 stops
Depart: Wed Jul 19 2017 Return: Wed Aug 9 2017 Trip spans 22 days
Major Airline
Major Airline
BOS
OPO
9h 40m
1 stop
OPO
BOS
11h 05m
1 stop
Depart: Thu Nov 9 2017 Return: Sun Nov 19 2017 Trip spans 11 days
TAP Portugal
TAP Portugal
BOS
OPO
10h 00m
1 stop
OPO
BOS
11h 25m
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

New York
only $544
only $410
Providence
$757
Newark
$457
Philadelphia
$588
Boston
$412
Destination

Porto
$410