background

Flight Deals from Houston to Porto from $616

Bundle + Save

Bundle + Save

Top flight deals from leading airlines:

TK LogoAF LogoLH LogoLX LogoBA LogoOS LogoKL Logo

... and +100s more

Incredible Deals

Save up to 50% on select flights with Priceline

Bundle & Save

Save an average of $240 per person when bundling your flight and hotel together with Priceline

Best Price Guarantee

If a VIP member finds a better price elsewhere, we'll refund up to 200% of the difference

Help 24/7

We’re always here for you - reach us 24 hours a day, 7 days a week

Stops

  • Up to 1 stop
    $1048
  • Up to 2 stops
    $1032

Airlines

  • Air Canada
    $1357
  • Air France
    $1185
  • American Airlines
    $1424
  • Austrian Airlines
    $1372
  • British Airways
    $1639
  • Brussels Airlines
    $1162
  • Delta Air Lines
    $1390
  • IBERIA
    $1389
  • KLM
    $1185
  • Lufthansa
    $1032
  • SWISS
    $1250
  • TAP Portugal
    $1348
  • Turkish Airlines
    $1581
  • United Airlines
    $1291

Cabin Class

  • Economy
    $1032

Departure Airports

  • George Bush Intercontinental Houston Airport
    $1032
  • William P Hobby Airport
    $1778

Arrival Airports

  • Francisco de Sá Carneiro Airport
    $1032

Layover Airports

  • Adolfo Suárez Madrid–Barajas Airport
    $1389
  • Amsterdam Airport Schiphol
    $1214
  • Brussels Airport
    $1507
  • Charlotte Douglas International Airport
    $1389
  • Chicago O Hare Airport
    $1032
  • Dallas Fort Worth International Airport
    $1408
  • Frankfurt am Main Airport
    $1032
  • General Edward Lawrence Logan International Airport
    $1110
  • Geneva Cointrin International Airport
    $1405
  • Hartsfield Jackson Atlanta International Airport
    $1564
  • Humberto Delgado Airport (Lisbon Portela Airport)
    $1433
  • Istanbul Airport
    $1581
  • London Heathrow Airport
    $1296
  • Los Angeles International Airport
    $1728
  • Miami International Airport
    $1389
  • Montreal Trudeau Airport
    $1044
  • Munich Airport
    $1110
  • New York LaGuardia Airport
    $1062
  • Newark Liberty Airport
    $1032
  • Paris Charles de Gaulle Airport
    $1185
  • Philadelphia International Airport
    $1680
  • Reagan Washington National Airport
    $1255
  • Toronto Pearson Airport
    $1044
  • Vienna International Airport
    $1372
  • Washington Dulles Airport
    $1311
  • Zürich Airport
    $1214

Best Price. GUARANTEED.

Exclusively for Priceline Members
Tired of searching? Book now!
We'll refund the difference if you find a lower price.

Phone Banner

Priceline Phone Deals

Book with an agent for great rates!

BUNDLE & SAVE

Book a flight & hotel together for extra savings.

On average save $240 per traveler
Lufthansa Logo
Lufthansa

07/16/25

IAH
34h 41m
EWR

07/18/25

OPO
Lufthansa Logo
Lufthansa

07/23/25

OPO
18h 40m
FRA
ORD

07/24/25

IAH
$1032
Lufthansa Logo
Lufthansa

07/10/25

IAH
19h 40m
FRA

07/11/25

OPO
Lufthansa Logo
Lufthansa

07/22/25

OPO
19h 52m
YUL
YYZ

07/23/25

IAH
$1044
Lufthansa Logo
Lufthansa

07/10/25

IAH
19h 40m
FRA

07/11/25

OPO
Lufthansa Logo
Lufthansa

07/22/25

OPO
25h 30m
FRA

07/23/25

IAH
$1048
Lufthansa Logo
Lufthansa

07/16/25

IAH
21h 9m
LGA
YUL

07/17/25

OPO
Lufthansa Logo
Lufthansa

07/23/25

OPO
12h 35m
FRA
ORD

07/24/25

IAH
$1062
Lufthansa Logo
Lufthansa

07/11/25

IAH
30h 45m
MUC

07/12/25

OPO
Lufthansa Logo
Lufthansa

07/14/25

OPO
20h 19m
FRA
BOS

07/15/25

IAH
$1110
Brussels Airlines Logo
Brussels Airlines

07/17/25

IAH
18h 50m
EWR

07/18/25

OPO
Brussels Airlines Logo
Brussels Airlines

07/24/25

OPO
10h 55m
EWR

07/24/25

IAH
$1162
Air France Logo
Air France

07/10/25

IAH
26h 25m
CDG

07/11/25

OPO
Air France Logo
Air France

07/22/25

OPO
28h 15m
CDG

07/23/25

IAH
$1185
KLM Logo
KLM

07/10/25

IAH
23h 40m
CDG

07/11/25

OPO
KLM Logo
KLM

07/22/25

OPO
28h 15m
CDG

07/23/25

IAH
$1185
Lufthansa Logo
Lufthansa

07/10/25

IAH
19h 40m
FRA

07/11/25

OPO
Lufthansa Logo
Lufthansa

07/22/25

OPO
26h 30m
ZRH
AMS

07/23/25

IAH
$1214
SWISS Logo
SWISS

07/17/25

IAH
18h 50m
EWR

07/18/25

OPO
SWISS Logo
SWISS

07/20/25

OPO
11h 40m
ZRH
AMS

07/20/25

IAH
$1250
SWISS Logo
SWISS

07/17/25

IAH
23h 30m
DCA
EWR

07/18/25

OPO
SWISS Logo
SWISS

07/20/25

OPO
11h 40m
ZRH
AMS

07/20/25

IAH
$1255
United Airlines Logo
United Airlines

07/21/25

IAH
27h 42m
EWR

07/22/25

OPO
United Airlines Logo
United Airlines

07/29/25

OPO
10h 55m
EWR

07/29/25

IAH
$1291
Lufthansa Logo
Lufthansa

07/11/25

IAH
30h 45m
MUC

07/12/25

OPO
Lufthansa Logo
Lufthansa

07/14/25

OPO
29h 5m
ZRH
LHR

07/15/25

IAH
$1296
Lufthansa Logo
Lufthansa

08/02/25

IAH
35h 22m
IAD
EWR

08/04/25

OPO
Lufthansa Logo
Lufthansa

08/09/25

OPO
21h
FRA

08/10/25

IAH
$1311
TAP Portugal Logo
TAP Portugal

07/21/25

IAH
22h 57m
BOS

07/22/25

OPO
TAP Portugal Logo
TAP Portugal

07/28/25

OPO
17h 7m
BOS

07/29/25

IAH
$1348
Air Canada Logo
Air Canada

07/21/25

IAH
23h 35m
YUL

07/22/25

OPO
Air Canada Logo
Air Canada

07/28/25

OPO
9h 51m
EWR

07/28/25

IAH
$1357
Austrian Airlines Logo
Austrian Airlines

07/11/25

IAH
19h 40m
FRA

07/12/25

OPO
Austrian Airlines Logo
Austrian Airlines

07/14/25

OPO
31h 30m
VIE
LHR

07/15/25

IAH
$1372
IBERIA Logo
IBERIA

07/10/25

IAH
21h 47m
CLT
MAD

07/11/25

OPO
IBERIA Logo
IBERIA

07/22/25

OPO
20h 45m
MAD
MIA

07/23/25

IAH
$1389
Delta Air Lines Logo
Delta Air Lines

07/06/25

IAH
30h 45m
AMS

07/07/25

OPO
Delta Air Lines Logo
Delta Air Lines

08/01/25

OPO
16h 40m
AMS

08/02/25

IAH
$1390
Lufthansa Logo
Lufthansa

07/11/25

IAH
29h
FRA
MUC

07/12/25

OPO
Lufthansa Logo
Lufthansa

07/14/25

OPO
22h 5m
GVA
LHR

07/15/25

IAH
$1405
IBERIA Logo
IBERIA

07/06/25

IAH
21h 32m
DFW
MAD

07/07/25

OPO
IBERIA Logo
IBERIA

08/06/25

OPO
23h 35m
MAD
CLT

08/07/25

IAH
$1408
American Airlines Logo
American Airlines

07/10/25

IAH
23h 31m
DFW
MAD

07/11/25

OPO
American Airlines Logo
American Airlines

07/22/25

OPO
11h 39m
MAD
DFW

07/22/25

IAH
$1424
TAP Portugal Logo
TAP Portugal

07/10/25

IAH
29h 2m
BOS
LIS

07/11/25

OPO
TAP Portugal Logo
TAP Portugal

07/22/25

OPO
25h 12m
LIS
BOS

07/23/25

IAH
$1433
Brussels Airlines Logo
Brussels Airlines

07/21/25

IAH
21h 30m
EWR

07/22/25

OPO
Brussels Airlines Logo
Brussels Airlines

07/29/25

OPO
31h 21m
BRU
IAD

07/30/25

IAH
$1507
Delta Air Lines Logo
Delta Air Lines

07/06/25

IAH
27h 43m
ATL
CDG

07/07/25

OPO
Delta Air Lines Logo
Delta Air Lines

08/01/25

OPO
25h 50m
AMS

08/02/25

IAH
$1564
Turkish Airlines Logo
Turkish Airlines

07/17/25

IAH
42h 50m
IST

07/19/25

OPO
Turkish Airlines Logo
Turkish Airlines

07/20/25

OPO
25h 55m
IST

07/21/25

IAH
$1581
British Airways Logo
British Airways

08/02/25

IAH
24h 25m
LHR
MAD

08/03/25

OPO
British Airways Logo
British Airways

08/09/25

OPO
12h 35m
MAD
MIA

08/09/25

IAH
$1639
American Airlines Logo
American Airlines

07/16/25

IAH
26h 9m
MIA
MAD

07/17/25

OPO
American Airlines Logo
American Airlines

07/23/25

OPO
13h 26m
MAD
PHL

07/23/25

IAH
$1680
British Airways Logo
British Airways

07/05/25

IAH
23h 31m
DFW
MAD

07/06/25

OPO
British Airways Logo
British Airways

07/19/25

OPO
34h 59m
MAD
LAX

07/20/25

IAH
$1728
British Airways Logo
British Airways

08/02/25

HOU
21h 25m
DFW
MAD

08/03/25

OPO
British Airways Logo
British Airways

08/09/25

OPO
12h 35m
MAD
MIA

08/09/25

HOU
$1778

Top Deals on flights from Houston to Porto

Houston, US (HOU) - Porto, PT (OPO)

Lufthansa Logo
Lufthansa

Jul 7

IAH
19h 40m
FRA

Jul 8

OPO

as low as

$616

Houston, US (HOU) - Porto, PT (OPO)

Lufthansa Logo
Lufthansa

Jul 14

IAH
28h 10m
ORD
FRA

Jul 15

OPO

as low as

$625

Houston, US (HOU) - Porto, PT (OPO)

Lufthansa Logo
Lufthansa

Jul 7

IAH
43h 40m
DFW
FRA

Jul 9

OPO

as low as

$637

Houston, US (HOU) - Porto, PT (OPO)

Brussels Airlines Logo
Brussels Airlines

Jul 14

IAH
21h 30m
EWR

Jul 15

OPO

as low as

$658

Houston, US (HOU) - Porto, PT (OPO)

IBERIA Logo
IBERIA

Jul 7

IAH
21h 32m
DFW
MAD

Jul 8

OPO

as low as

$667

Houston, US (HOU) - Porto, PT (OPO)

United Airlines Logo
United Airlines

Jul 7

IAH
23h 35m
YUL

Jul 8

OPO

as low as

$678

Houston, US (HOU) - Porto, PT (OPO)

Air Canada Logo
Air Canada

Jul 7

IAH
23h 35m
YUL

Jul 8

OPO

as low as

$678

Houston, US (HOU) - Porto, PT (OPO)

American Airlines Logo
American Airlines

Jul 7

IAH
23h 31m
DFW
MAD

Jul 8

OPO

as low as

$743

Houston, US (HOU) - Porto, PT (OPO)

British Airways Logo
British Airways

Jul 14

IAH
34h 35m
LHR
MAD

Jul 16

OPO

as low as

$756

Houston, US (HOU) - Porto, PT (OPO)

American Airlines Logo
American Airlines

Jul 14

HOU
21h 25m
DFW
MAD

Jul 15

OPO

as low as

$796

Houston, US (HOU) - Porto, PT (OPO)

TAP Portugal Logo
TAP Portugal

Jul 14

IAH
32h 27m
BOS
LIS

Jul 15

OPO

as low as

$806

Houston, US (HOU) - Porto, PT (OPO)

Turkish Airlines Logo
Turkish Airlines

Jul 14

IAH
43h 25m
IST

Jul 16

OPO

as low as

$941

Priceline Phone Deals

Book with an agent for great rates!
Call now!

1 (888) 775-6158