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Cheap flights from Rhode Island to Porto from $201

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Porto departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Rhode Island to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
TAP AIR PORTUGAL Logo
12:35 pm - 8:20 pm
OPO
-
BOS
12h 45m
1 stop
$680TAP AIR PORTUGAL
Sat, Sep 5 - Thu, Sep 17
TAP AIR PORTUGAL Logo
10:10 pm - 1:30 pm
BOS
-
OPO
10h 20m
1 stop
TAP AIR PORTUGAL Logo
8:30 am - 2:40 pm
OPO
-
BOS
11h 10m
1 stop
$681TAP AIR PORTUGAL
Fri, Nov 20 - Sat, Nov 28
Multiple Airlines Logo
8:50 pm - 11:30 pm
BOS
-
OPO
21h 40m
2 stops
Multiple Airlines Logo
2:10 pm - 9:00 pm
OPO
-
BOS
10h 50m
1 stop
$682Multiple Airlines
Mon, Aug 31 - Tue, Oct 27
Multiple Airlines Logo
6:30 pm - 6:25 pm
BOS
-
OPO
18h 55m
1 stop
Multiple Airlines Logo
8:00 pm - 7:45 pm
OPO
-
BOS
28h 45m
2 stops
$683Multiple Airlines
Sun, Sep 6 - Sat, Sep 19
TAP AIR PORTUGAL Logo
10:45 pm - 11:10 pm
BOS
-
OPO
19h 25m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 2:45 pm
OPO
-
BOS
21h 15m
1 stop
$684TAP AIR PORTUGAL
Wed, Sep 9 - Tue, Sep 15
United Airlines Logo
7:00 pm - 9:30 am
BOS
-
OPO
9h 30m
1 stop
United Airlines Logo
12:35 pm - 8:22 pm
OPO
-
BOS
12h 47m
1 stop
$685United Airlines
Tue, Nov 10 - Sun, Nov 22
TAP AIR PORTUGAL Logo
11:15 pm - 10:55 am
BOS
-
OPO
6h 40mnonstop
TAP AIR PORTUGAL Logo
5:40 pm - 8:20 pm
OPO
-
BOS
7h 40mnonstop
$686TAP AIR PORTUGAL
Sat, Sep 5 - Sat, Sep 26
TAP AIR PORTUGAL Logo
10:45 pm - 5:10 pm
BOS
-
OPO
13h 25m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 2:45 pm
OPO
-
BOS
21h 15m
1 stop
$687TAP AIR PORTUGAL
Tue, Sep 1 - Sun, Sep 13
United Airlines Logo
5:45 am - 9:30 am
PVD
-
OPO
22h 45m
2 stops
United Airlines Logo
6:00 am - 6:59 pm
OPO
-
PVD
17h 59m
2 stops
$721United Airlines
Mon, Nov 16 - Thu, Nov 19
United Airlines Logo
9:55 am - 9:30 am
PVD
-
OPO
18h 35m
2 stops
United Airlines Logo
12:35 pm - 11:44 pm
OPO
-
PVD
16h 09m
2 stops
$730United Airlines
Mon, Nov 16 - Thu, Nov 19

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TAP AIR PORTUGAL flights from Rhode Island to Porto

Our best TAP AIR PORTUGAL deals on Rhode Island to Porto flight tickets
TAP AIR PORTUGAL
Sep 5
BOS11:15 pmBoston Logan Intl
6h 40m
OPO10:55 amPorto
Sep 17
OPO12:35 pmPorto
12h 45m
1 stop
BOS8:20 pmBoston Logan Intl
$680
TAP AIR PORTUGAL
Nov 20
BOS10:10 pmBoston Logan Intl
10h 20m
1 stop
OPO1:30 pmPorto
Nov 28
OPO8:30 amPorto
11h 10m
1 stop
BOS2:40 pmBoston Logan Intl
$681
TAP AIR PORTUGAL
Sep 6
BOS11:00 pmBoston Logan Intl
6h 30m
OPO10:30 amPorto
Sep 12
OPO9:15 pmPorto
22h 25m
1 stop
BOS2:40 pmBoston Logan Intl
$682

United Airlines flights from Rhode Island to Porto

Our best United Airlines deals on Rhode Island to Porto flight tickets
United Airlines
Nov 10
BOS7:00 pmBoston Logan Intl
9h 30m
1 stop
OPO9:30 amPorto
Nov 22
OPO12:35 pmPorto
12h 47m
1 stop
BOS8:22 pmBoston Logan Intl
$685
United Airlines
Nov 16
PVD5:45 amProvidence-TFGreen
22h 45m
2 stops
OPO9:30 amPorto
Nov 19
OPO6:00 amPorto
17h 59m
2 stops
PVD6:59 pmProvidence-TFGreen
$721
United Airlines
Nov 16
PVD9:55 amProvidence-TFGreen
18h 35m
2 stops
OPO9:30 amPorto
Nov 19
OPO12:35 pmPorto
16h 09m
2 stops
PVD11:44 pmProvidence-TFGreen
$730

momondo Fare Finder

 
Customize your flight search to find flights from Rhode Island to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 21, 2026.
Use the filters below to find and compare flights from Rhode Island to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 9/5

11:15 pm-10:55 am

Nonstop6h 40m

Porto

Thu 9/17

12:35 pm-8:20 pm

1 stop12h 45m

$680

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 11/20

10:10 pm-1:30 pm

1 stop10h 20m

Porto

Sat 11/28

8:30 am-2:40 pm

1 stop11h 10m

$681

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 8/31

8:50 pm-11:30 pm

2 stops21h 40m

Porto

Tue 10/27

2:10 pm-9:00 pm

1 stop10h 50m

$682

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 9/6

6:30 pm-6:25 pm

1 stop18h 55m

Porto

Sat 9/19

8:00 pm-7:45 pm

2 stops28h 45m

$683

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 9/9

10:45 pm-11:10 pm

1 stop19h 25m

Porto

Tue 9/15

10:30 pm-2:45 pm

1 stop21h 15m

$684

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 11/10

7:00 pm-9:30 am

1 stop9h 30m

Porto

Sun 11/22

12:35 pm-8:22 pm

1 stop12h 47m

$685
Quickest round-trip

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 9/5

11:15 pm-10:55 am

Nonstop6h 40m

Porto

Sat 9/26

5:40 pm-8:20 pm

Nonstop7h 40m

$686

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 9/1

10:45 pm-5:10 pm

1 stop13h 25m

Porto

Sun 9/13

10:30 pm-2:45 pm

1 stop21h 15m

$687

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Mon 11/16

5:45 am-9:30 am

2 stops22h 45m

Porto

Thu 11/19

6:00 am-6:59 pm

2 stops17h 59m

$721

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Mon 11/16

9:55 am-9:30 am

2 stops18h 35m

Porto

Thu 11/19

12:35 pm-11:44 pm

2 stops16h 09m

$730

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Rhode Island to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $663. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $854. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

How far in advance should I book a flight from Rhode Island to Porto?

You are more likely to see cheaper flights to Porto from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $655 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Rhode Island for as low as $621 on momondo.

Cheap Rhode Island to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rhode Island to Porto

Fastest flight time

6h 30m

Direct flights

Mon, Tue, Thu and Sun

Airports in Porto

1 airport
The fastest flight from Rhode Island to Porto takes 6h 30m
Direct flights go from Rhode Island to Porto on Monday, Tuesday, Thursday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Porto. From Rhode Island there are direct flights to Porto (OPO).
Search flight deals

Frequently asked questions about flying from Rhode Island to Porto

  • When did momondo last update prices for flights from Rhode Island to Porto Airport?

    Prices for flights from Rhode Island to Porto Airport are updated daily.

  • How many operators does momondo search for flights from Rhode Island to Porto Airport?

  • How old do you have to be to fly from Rhode Island to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Esposende
Lamego
Pinhao
Chaves
Arcos de Valdevez
Guimarães
Viseu
Espinho
Ponte de Lima
Mesao Frio
Penafiel
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Rhode Island to Porto?

Finding the right flight to Porto from Rhode Island is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

Can I find flights from Rhode Island to Porto with flexible booking policies on momondo?

All flight searches from Rhode Island to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Rhode Island to Porto?

Once you have performed a search for Rhode Island to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Rhode Island to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rhode Island to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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