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Cheap flights from Rhode Island to Porto from $231

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 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:05 pm - 6:15 pm
BOS
-
OPO
19h 10m
1 stop
TAP AIR PORTUGAL Logo
5:05 am - 2:45 pm
OPO
-
BOS
14h 40m
1 stop
$374TAP AIR PORTUGAL
Mon, Mar 23 - Tue, Apr 14
United Airlines Logo
7:57 pm - 9:30 am
BOS
-
OPO
9h 33m
1 stop
United Airlines Logo
12:35 pm - 8:15 pm
OPO
-
BOS
11h 40m
1 stop
$376United Airlines
Sun, Mar 8 - Wed, Mar 18
Iberia Logo
9:20 pm - 8:00 pm
BOS
-
OPO
17h 40m
1 stop
Iberia Logo
8:20 am - 7:50 pm
OPO
-
BOS
16h 30m
1 stop
$379Iberia
Sun, Apr 26 - Thu, May 7
United Airlines Logo
5:45 am - 9:30 am
BOS
-
OPO
23h 45m
2 stops
United Airlines Logo
12:35 pm - 9:56 am
OPO
-
BOS
25h 21m
2 stops
$381United Airlines
Sun, Mar 8 - Wed, Mar 18
Iberia Logo
11:34 am - 7:40 am
BOS
-
OPO
15h 06m
2 stops
Iberia Logo
8:20 am - 7:50 pm
OPO
-
BOS
16h 30m
1 stop
$383Iberia
Sun, Apr 26 - Thu, May 7
Iberia Logo
10:50 pm - 4:10 pm
BOS
-
OPO
12h 20m
1 stop
Iberia Logo
12:25 pm - 11:52 pm
OPO
-
BOS
16h 27m
2 stops
$388Iberia
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
8:10 pm - 7:05 pm
BOS
-
OPO
17h 55m
1 stop
Multiple Airlines Logo
2:05 pm - 9:05 pm
OPO
-
BOS
12h 00m
1 stop
$393Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
Delta Logo
12:55 pm - 3:25 pm
PVD
-
OPO
21h 30m
2 stops
Delta Logo
11:30 am - 5:59 pm
OPO
-
PVD
35h 29m
2 stops
$662Delta
Mon, Mar 30 - Tue, Apr 7
Delta Logo
4:43 pm - 3:25 pm
PVD
-
OPO
17h 42m
2 stops
Delta Logo
6:15 am - 5:59 pm
OPO
-
PVD
16h 44m
2 stops
$669Delta
Mon, Mar 30 - Tue, Apr 7
KLM Logo
5:34 am - 10:40 am
PVD
-
OPO
24h 06m
2 stops
KLM Logo
5:00 am - 11:31 pm
OPO
-
PVD
23h 31m
2 stops
$783KLM
Thu, Apr 9 - Thu, Apr 16

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
Mar 23
BOS7:05 pmBoston Logan Intl
19h 10m
1 stop
OPO6:15 pmPorto
Apr 14
OPO5:05 amPorto
14h 40m
1 stop
BOS2:45 pmBoston Logan Intl
$374
TAP AIR PORTUGAL
Mar 23
BOS7:05 pmBoston Logan Intl
14h 00m
1 stop
OPO1:05 pmPorto
Apr 8
OPO10:00 amPorto
15h 40m
1 stop
BOS8:40 pmBoston Logan Intl
$390
TAP AIR PORTUGAL
Mar 30
BOS10:45 pmBoston Logan Intl
15h 15m
1 stop
OPO7:00 pmPorto
Apr 7
OPO9:00 amPorto
10h 45m
1 stop
BOS2:45 pmBoston Logan Intl
$391

United Airlines flights from Rhode Island to Porto

Our best United Airlines deals on Rhode Island to Porto flight tickets
United Airlines
Mar 8
BOS7:57 pmBoston Logan Intl
9h 33m
1 stop
OPO9:30 amPorto
Mar 18
OPO12:35 pmPorto
13h 06m
1 stop
BOS9:41 pmBoston Logan Intl
$376
United Airlines
Mar 8
BOS5:45 amBoston Logan Intl
23h 45m
2 stops
OPO9:30 amPorto
Mar 18
OPO12:35 pmPorto
15h 22m
2 stops
BOS11:57 pmBoston Logan Intl
$381
United Airlines
Jul 20
BOS6:50 pmBoston Logan Intl
31h 10m
1 stop
OPO7:00 amPorto
Oct 21
OPO2:25 pmPorto
28h 11m
2 stops
BOS1:36 pmBoston Logan Intl
$405

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 February 24, 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

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/23

7:05 pm-6:15 pm

1 stop19h 10m

Porto

Tue 4/14

5:05 am-2:45 pm

1 stop14h 40m

$374

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/8

7:57 pm-9:30 am

1 stop9h 33m

Porto

Wed 3/18

12:35 pm-8:15 pm

1 stop11h 40m

$376

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 4/26

9:20 pm-8:00 pm

1 stop17h 40m

Porto

Thu 5/7

8:20 am-7:50 pm

1 stop16h 30m

$379

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/8

5:45 am-9:30 am

2 stops23h 45m

Porto

Wed 3/18

12:35 pm-9:56 am

2 stops25h 21m

$381

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 4/26

11:34 am-7:40 am

2 stops15h 06m

Porto

Thu 5/7

8:20 am-7:50 pm

1 stop16h 30m

$383

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 4/28

10:50 pm-4:10 pm

1 stop12h 20m

Porto

Tue 5/5

12:25 pm-11:52 pm

2 stops16h 27m

$388

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/8

8:10 pm-7:05 pm

1 stop17h 55m

Porto

Wed 4/15

2:05 pm-9:05 pm

1 stop12h 00m

$393

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Mon 3/30

12:55 pm-3:25 pm

2 stops21h 30m

Porto

Tue 4/7

11:30 am-5:59 pm

2 stops35h 29m

$662

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Mon 3/30

4:43 pm-3:25 pm

2 stops17h 42m

Porto

Tue 4/7

6:15 am-5:59 pm

2 stops16h 44m

$669

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Thu 4/9

5:34 am-10:40 am

2 stops24h 06m

Porto

Thu 4/16

5:00 am-11:31 pm

2 stops23h 31m

$783

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 month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Rhode Island, with most prices found around $416. If you aren’t able to travel during the month of February, then book flights to Porto from Rhode Island during January instead. Flights to Porto in January, while not as cheap as those in February, still average around $423.

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 $652. 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 $844. 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 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 $620 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 $630 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

  • 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
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
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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