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.
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Book cheap flights to Porto

(Round-trip)
Depart: Mon Sep 4 2017 Return: Tue Sep 12 2017 Trip spans 9 days
Iberia
Iberia
DCA
OPO
21h 35m
2 stops
OPO
DCA
16h 30m
2 stops
Depart: Wed Oct 18 2017 Return: Wed Oct 25 2017 Trip spans 8 days
American Airlines
American Airlines
BWI
OPO
16h 34m
2 stops
OPO
BWI
16h 21m
2 stops
Depart: Wed Jan 31 2018 Return: Tue Feb 13 2018 Trip spans 14 days
TAP Portugal
TAP Portugal
MIA
OPO
13h 15m
1 stop
OPO
MIA
12h 45m
1 stop
Depart: Sat Oct 21 2017 Return: Sun Oct 29 2017 Trip spans 9 days
Major Airline
Major Airline
JFK
OPO
9h 35m
1 stop
OPO
JFK
15h 40m
1 stop
Depart: Mon Oct 16 2017 Return: Mon Nov 6 2017 Trip spans 22 days
SWISS
SWISS
EWR
OPO
28h 40m
1 stop
OPO
EWR
34h 10m
1 stop
Depart: Wed Nov 22 2017 Return: Mon Nov 27 2017 Trip spans 6 days
Air Europa
Air Europa
MIA
OPO
12h 45m
1 stop
OPO
MIA
13h 25m
1 stop
Depart: Fri Sep 1 2017 Return: Sat Sep 16 2017 Trip spans 16 days
KLM
KLM
BOS
OPO
22h 20m
1 stop
OPO
BOS
20h 42m
1 stop
Depart: Mon Oct 30 2017 Return: Wed Nov 8 2017 Trip spans 10 days
Air Canada
Air Canada
LGA
OPO
15h 35m
2 stops
OPO
LGA
21h 20m
2 stops
Depart: Fri Sep 15 2017 Return: Wed Sep 20 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
JFK
OPO
21h 10m
1 stop
OPO
JFK
27h 30m
1 stop
Depart: Fri Sep 1 2017 Return: Fri Sep 8 2017 Trip spans 8 days
Azores Airlines
Azores Airlines
PVD
OPO
9h 30m
1 stop
OPO
PVD
10h 15m
1 stop
Depart: Thu Aug 31 2017 Return: Mon Sep 18 2017 Trip spans 19 days
Delta
Delta
BOS
OPO
10h 41m
1 stop
OPO
BOS
12h 37m
1 stop
Depart: Mon Dec 25 2017 Return: Sun Dec 31 2017 Trip spans 7 days
Lufthansa
Lufthansa
EWR
OPO
15h 55m
2 stops
OPO
EWR
33h 00m
1 stop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
Iberia
Iberia
JFK
OPO
9h 25m
1 stop
OPO
JFK
11h 05m
1 stop
Depart: Mon Aug 28 2017 Return: Wed Sep 13 2017 Trip spans 17 days
British Airways
British Airways
BWI
OPO
25h 35m
2 stops
OPO
BWI
25h 15m
2 stops
Depart: Wed Nov 1 2017 Return: Thu Nov 9 2017 Trip spans 9 days
American Airlines
American Airlines
BWI
OPO
17h 34m
2 stops
OPO
BWI
16h 29m
2 stops
Depart: Tue Aug 15 2017 Return: Thu Sep 7 2017 Trip spans 24 days
Iberia
Iberia
DCA
OPO
16h 06m
2 stops
OPO
DCA
19h 55m
2 stops
Depart: Fri Dec 1 2017 Return: Wed Dec 6 2017 Trip spans 6 days
TAP Portugal
TAP Portugal
MIA
OPO
13h 15m
1 stop
OPO
MIA
13h 45m
1 stop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
SWISS
SWISS
EWR
OPO
15h 55m
1 stop
OPO
EWR
33h 45m
1 stop
Depart: Mon Aug 21 2017 Return: Thu Sep 14 2017 Trip spans 25 days
Iberia
Iberia
DCA
OPO
12h 35m
2 stops
OPO
DCA
15h 55m
2 stops
Depart: Mon Oct 2 2017 Return: Tue Oct 10 2017 Trip spans 9 days
Major Airline
Major Airline
JFK
OPO
11h 55m
nonstop
OPO
JFK
21h 40m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

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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.

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Airports
Origin

New York
only $587
only $436
Baltimore
$452
Providence
$600
Newark
$507
Washington
$434
Miami
$490
Boston
$563
Destination

Porto
$434