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Cheap flights from Rhode Island to Porto from $151

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 10/15. 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

Logo
4:30 pm - 7:35 amBOS-OPO
10h 05m1 stop
Logo
8:20 am - 3:15 pmOPO-BOS
11h 55m1 stop
$340
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Tue, Oct 21 - Tue, Nov 4
Iberia Logo
9:20 pm - 11:40 amBOS-OPO
9h 20m1 stop
Iberia Logo
12:25 pm - 7:50 pmOPO-BOS
12h 25m1 stop
$341Iberia
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Wed, Oct 22 - Wed, Nov 5
Iberia Logo
11:00 pm - 9:20 pmBOS-OPO
17h 20m1 stop
Iberia Logo
8:20 am - 3:15 pmOPO-BOS
11h 55m1 stop
$344Iberia
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Mon, Oct 20 - Thu, Nov 6
British Airways Logo
9:20 pm - 3:55 pmBOS-OPO
13h 35m1 stop
British Airways Logo
12:20 pm - 7:50 pmOPO-BOS
12h 30m1 stop
$364British Airways
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Tue, Oct 14 - Tue, Oct 21
British Airways Logo
9:20 pm - 3:55 pmBOS-OPO
13h 35m1 stop
British Airways Logo
12:20 pm - 7:50 pmOPO-BOS
12h 30m1 stop
$365British Airways
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Tue, Oct 14 - Tue, Oct 21
SWISS Logo
9:50 pm - 6:35 pmBOS-OPO
15h 45m1 stop
SWISS Logo
12:05 pm - 8:20 pmOPO-BOS
13h 15m1 stop
$373SWISS
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Wed, Nov 5 - Tue, Nov 11
United Airlines Logo
9:40 am - 9:30 amBOS-OPO
18h 50m2 stops
United Airlines Logo
12:35 pm - 11:42 pmOPO-BOS
16h 07m2 stops
$378United Airlines
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Wed, Nov 5 - Thu, Nov 13
United Airlines Logo
4:19 pm - 9:30 amBOS-OPO
12h 11m1 stop
United Airlines Logo
6:00 am - 1:25 pmOPO-BOS
12h 25m1 stop
$380United Airlines
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Sun, Nov 23 - Thu, Dec 4
Lufthansa Logo
8:40 pm - 12:50 pmBOS-OPO
11h 10m1 stop
Lufthansa Logo
2:05 pm - 6:35 pmOPO-BOS
33h 30m1 stop
$382Lufthansa
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Sun, Dec 28 - Thu, Jan 8
SWISS Logo
9:50 pm - 11:15 amBOS-OPO
32h 25m1 stop
SWISS Logo
12:05 pm - 8:20 pmOPO-BOS
13h 15m1 stop
$383SWISS
Find Deal
Tue, Nov 4 - Thu, Nov 13

United Airlines flights from Rhode Island to Porto

Our best United Airlines deals on Rhode Island to Porto flight tickets
United Airlines
Nov 5
BOS9:40 amBoston Logan Intl
18h 50m
2 stops
OPO9:30 amPorto
Nov 13
OPO12:35 pmPorto
16h 07m
2 stops
BOS11:42 pmBoston Logan Intl
$378
Find similar
United Airlines
Nov 23
BOS4:19 pmBoston Logan Intl
12h 11m
1 stop
OPO9:30 amPorto
Dec 4
OPO6:00 amPorto
12h 25m
1 stop
BOS1:25 pmBoston Logan Intl
$380
Find similar
United Airlines
Aug 20
BOS5:50 amBoston Logan Intl
22h 30m
1 stop
OPO9:20 amPorto
Nov 12
OPO12:35 pmPorto
16h 07m
2 stops
BOS11:42 pmBoston Logan Intl
$399
Find similar

Iberia flights from Rhode Island to Porto

Our best Iberia deals on Rhode Island to Porto flight tickets
Iberia
Oct 22
BOS9:20 pmBoston Logan Intl
9h 20m
1 stop
OPO11:40 amPorto
Nov 5
OPO12:25 pmPorto
12h 25m
1 stop
BOS7:50 pmBoston Logan Intl
$341
Find similar
Iberia
Oct 20
BOS11:00 pmBoston Logan Intl
17h 20m
1 stop
OPO9:20 pmPorto
Nov 6
OPO8:20 amPorto
11h 55m
1 stop
BOS3:15 pmBoston Logan Intl
$344
Find similar
Iberia
Nov 2
BOS4:45 pmBoston Logan Intl
9h 55m
1 stop
OPO7:40 amPorto
Nov 12
OPO12:25 pmPorto
12h 25m
1 stop
BOS7:50 pmBoston Logan Intl
$345
Find similar

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 August 11, 2025.
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

Tue 10/21

4:30 pm-7:35 am

1 stop10h 05m

Porto

Tue 11/4

8:20 am-3:15 pm

1 stop11h 55m

$340

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 10/22

9:20 pm-11:40 am

1 stop9h 20m

Porto

Wed 11/5

12:25 pm-7:50 pm

1 stop12h 25m

$341

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 10/20

11:00 pm-9:20 pm

1 stop17h 20m

Porto

Thu 11/6

8:20 am-3:15 pm

1 stop11h 55m

$344

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 10/14

9:20 pm-3:55 pm

1 stop13h 35m

Porto

Tue 10/21

12:20 pm-7:50 pm

1 stop12h 30m

$364

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 10/14

9:20 pm-3:55 pm

1 stop13h 35m

Porto

Tue 10/21

12:20 pm-7:50 pm

1 stop12h 30m

$365

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 11/5

9:50 pm-6:35 pm

1 stop15h 45m

Porto

Tue 11/11

12:05 pm-8:20 pm

1 stop13h 15m

$373

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 11/5

9:40 am-9:30 am

2 stops18h 50m

Porto

Thu 11/13

12:35 pm-11:42 pm

2 stops16h 07m

$378

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 11/23

4:19 pm-9:30 am

1 stop12h 11m

Porto

Thu 12/4

6:00 am-1:25 pm

1 stop12h 25m

$380

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 12/28

8:40 pm-12:50 pm

1 stop11h 10m

Porto

Thu 1/8

2:05 pm-6:35 pm

1 stop33h 30m

$382

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 11/4

9:50 pm-11:15 am

1 stop32h 25m

Porto

Thu 11/13

12:05 pm-8:20 pm

1 stop13h 15m

$383

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 January is, on average, the cheapest month to fly to Porto from Rhode Island, with most prices found around $535. If you aren’t able to travel during the month of January, then book flights to Porto from Rhode Island during November instead. Flights to Porto in November, while not as cheap as those in January, still average around $556.

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 $662. 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 $845. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the morning is the cheapest time of day to fly from Rhode Island to Porto when you can find flight prices for as low as $569. Flying to Porto in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $779 on average. Flights to Porto from Rhode Island in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $654 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 $624 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

Best Price Found

$151

Fastest flight time

6h 40m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Porto

1 airport
The best one-way flight to Porto from Rhode Island in the past 72 hours is $151. The best round-trip flight deal from Rhode Island to Porto found on momondo in the last 72 hours is $340.
The fastest flight from Rhode Island to Porto takes 6h 40m
Direct flights go from Rhode Island to Porto on Monday, Tuesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: TAP AIR PORTUGAL and Azores Airlines.
There is 1 airport near Porto: 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
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Lamego
Guimarães
Esposende
Chaves
Arcos de Valdevez
Espinho
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
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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