Cheap flights from Rhode Island to Porto from $221

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 1/8. 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.
Multiple Airlines Logo
3:40 pm - 3:25 pmBOS-OPO
18h 45m2 stops
Multiple Airlines Logo
12:10 pm - 8:20 pmOPO-BOS
13h 10m1 stop
$386Multiple Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
5:30 am - 1:15 pmBOS-OPO
26h 45m2 stops
Multiple Airlines Logo
7:20 pm - 8:00 pmOPO-BOS
29h 40m1 stop
$387Multiple Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 25
SWISS Logo
10:10 pm - 11:15 amBOS-OPO
32h 05m1 stop
SWISS Logo
7:20 pm - 9:20 pmOPO-BOS
30h 00m1 stop
$388SWISS
Find Deal
Mon, Mar 2 - Wed, Mar 25
Iberia Logo
12:16 pm - 7:40 amBOS-OPO
14h 24m2 stops
Iberia Logo
12:25 pm - 10:56 pmOPO-BOS
15h 31m2 stops
$389Iberia
Find Deal
Tue, Jan 13 - Wed, Jan 21
Multiple Airlines Logo
3:35 pm - 11:45 amBOS-OPO
15h 10m2 stops
Multiple Airlines Logo
12:25 pm - 10:56 pmOPO-BOS
15h 31m2 stops
$390Multiple Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
Multiple Airlines Logo
4:35 pm - 6:35 pmBOS-OPO
21h 00m2 stops
Multiple Airlines Logo
11:25 am - 8:20 pmOPO-BOS
13h 55m1 stop
$391Multiple Airlines
Find Deal
Mon, Feb 9 - Tue, Feb 24
Lufthansa Logo
8:40 pm - 1:15 pmBOS-OPO
11h 35m1 stop
Lufthansa Logo
6:30 am - 6:35 pmOPO-BOS
17h 05m1 stop
$392Lufthansa
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Wed, Feb 25 - Fri, Mar 6
Delta Logo
6:30 pm - 10:30 amBOS-OPO
11h 00m1 stop
Delta Logo
6:05 am - 2:20 pmOPO-BOS
12h 15m1 stop
$394Delta
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Wed, Feb 25 - Tue, Mar 10
Multiple Airlines Logo
8:20 pm - 10:25 amBOS-OPO
33h 05m1 stop
Multiple Airlines Logo
4:10 pm - 1:30 pmOPO-BOS
26h 20m1 stop
$395Multiple Airlines
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Wed, Jan 14 - Wed, Jan 21
Delta Logo
5:30 am - 10:30 amPVD-OPO
24h 00m2 stops
Delta Logo
6:05 am - 11:30 pmOPO-PVD
22h 25m2 stops
$491Delta
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Fri, Feb 6 - Tue, Feb 10

SWISS flights from Rhode Island to Porto

Our best SWISS deals on Rhode Island to Porto flight tickets
SWISS
Mar 2
BOS10:10 pmBoston Logan Intl
32h 05m
1 stop
OPO11:15 amPorto
Mar 25
OPO7:20 pmPorto
30h 00m
1 stop
BOS9:20 pmBoston Logan Intl
SWISS
Dec 1
BOS10:10 pmBoston Logan Intl
32h 05m
1 stop
OPO11:15 amPorto
Dec 8
OPO9:10 amPorto
40h 10m
2 stops
BOS8:20 pmBoston Logan Intl
SWISS
Mar 4
BOS9:50 pmBoston Logan Intl
14h 40m
1 stop
OPO5:30 pmPorto
Mar 16
OPO9:10 amPorto
40h 10m
2 stops
BOS9:20 pmBoston Logan Intl

Iberia flights from Rhode Island to Porto

Our best Iberia deals on Rhode Island to Porto flight tickets
Iberia
Jan 13
BOS12:16 pmBoston Logan Intl
14h 24m
2 stops
OPO7:40 amPorto
Jan 21
OPO12:25 pmPorto
15h 31m
2 stops
BOS10:56 pmBoston Logan Intl
Iberia
Dec 6
BOS4:45 pmBoston Logan Intl
9h 55m
1 stop
OPO7:40 amPorto
Dec 13
OPO12:25 pmPorto
12h 25m
1 stop
BOS7:50 pmBoston Logan Intl

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 November 23, 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

Wed 2/11

3:40 pm-3:25 pm

2 stops18h 45m

Porto

Wed 2/18

12:10 pm-8:20 pm

1 stop13h 10m

$386

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/11

5:30 am-1:15 pm

2 stops26h 45m

Porto

Wed 2/25

7:20 pm-8:00 pm

1 stop29h 40m

$387

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/2

10:10 pm-11:15 am

1 stop32h 05m

Porto

Wed 3/25

7:20 pm-9:20 pm

1 stop30h 00m

$388

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 1/13

12:16 pm-7:40 am

2 stops14h 24m

Porto

Wed 1/21

12:25 pm-10:56 pm

2 stops15h 31m

$389

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 1/12

3:35 pm-11:45 am

2 stops15h 10m

Porto

Wed 1/21

12:25 pm-10:56 pm

2 stops15h 31m

$390

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/9

4:35 pm-6:35 pm

2 stops21h 00m

Porto

Tue 2/24

11:25 am-8:20 pm

1 stop13h 55m

$391

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/25

8:40 pm-1:15 pm

1 stop11h 35m

Porto

Fri 3/6

6:30 am-6:35 pm

1 stop17h 05m

$392

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 2/25

6:30 pm-10:30 am

1 stop11h 00m

Porto

Tue 3/10

6:05 am-2:20 pm

1 stop12h 15m

$394

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/14

8:20 pm-10:25 am

1 stop33h 05m

Porto

Wed 1/21

4:10 pm-1:30 pm

1 stop26h 20m

$395

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Fri 2/6

5:30 am-10:30 am

2 stops24h 00m

Porto

Tue 2/10

6:05 am-11:30 pm

2 stops22h 25m

$491

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 November is, on average, the cheapest month to fly to Porto from Rhode Island, with most prices found around $552. If you aren’t able to travel during the month of November, then book flights to Porto from Rhode Island during March instead. Flights to Porto in March, while not as cheap as those in November, 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 $701. 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 $840. 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?

At noon is the cheapest time of day to fly from Rhode Island to Porto when you can find flight prices for as low as $724. Flying to Porto at noon 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 $775 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 $649 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 $617 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 40m

Direct flights

Mon, Tue, Thu and Sun

Airports in Porto

1 airport
The fastest flight from Rhode Island to Porto takes 6h 40m
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 near Porto: Porto (OPO)
  • 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
Aveiro
Matosinhos
Braga
Lamego
Guimarães
Esposende
Chaves
Espinho
Viseu
Ponte de Lima
Arcos de Valdevez
Pinhao
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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1 adult
Tue 12/23
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