What is the cheapest airline that flies from Rhode Island to Porto?

SWISS and KLM are the most popular carriers operating 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?

The number of operators available for flights from Rhode Island to Porto Airport is 11 as of January 2026.

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.

$171 Cheap Flights from Rhode Island to Porto in 2026

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Find the cheapest flights from Rhode Island to Porto

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 pm - 7:00 pm

BOS

OPO

15h 15m

1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$342TAP AIR PORTUGAL

Wed, Apr 8 - Wed, Apr 15

10:50 pm - 11:15 am

BOS

OPO

32h 25m

1 stop

7:25 pm - 9:20 pm

OPO

BOS

29h 55m

1 stop

$347SWISS

Tue, Mar 10 - Tue, Mar 17

10:45 pm - 7:00 pm

BOS

OPO

15h 15m

1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$351TAP AIR PORTUGAL

Mon, Mar 30 - Sun, Apr 12

10:45 pm - 1:00 pm

BOS

OPO

9h 15m

1 stop

8:55 am - 2:35 pm

OPO

BOS

10h 40m

1 stop

$352TAP AIR PORTUGAL

Sun, Feb 1 - Sat, Feb 7

10:45 pm - 3:00 pm

BOS

OPO

11h 15m

1 stop

5:15 pm - 7:55 pm

OPO

BOS

7h 40mnonstop

$353TAP AIR PORTUGAL

Wed, Apr 1 - Wed, Apr 8

5:48 am - 9:30 am

PVD

OPO

22h 42m

2 stops

6:00 am - 7:27 pm

OPO

PVD

18h 27m

2 stops

$491United Airlines

Thu, Feb 26 - Thu, Mar 5

2:42 pm - 9:30 am

PVD

OPO

14h 48m

2 stops

12:30 pm - 2:07 pm

OPO

PVD

53h 37m

2 stops

$512United Airlines

Mon, Mar 9 - Sun, Mar 15

12:54 pm - 1:20 pm

PVD

OPO

19h 26m

2 stops

11:20 am - 11:39 pm

OPO

PVD

17h 19m

2 stops

$542Multiple Airlines

Thu, Jan 22 - Thu, Jan 29

7:06 pm - 6:10 pm

PVD

OPO

18h 04m

2 stops

5:00 am - 4:02 pm

OPO

PVD

16h 02m

2 stops

$708Delta

Wed, Apr 29 - Tue, May 12

12:45 pm - 3:25 pm

PVD

OPO

21h 40m

2 stops

4:20 pm - 11:30 pm

OPO

PVD

36h 10m

2 stops

$821Delta

Sat, Apr 18 - Mon, Apr 27

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 22

BOS11:45 pmBoston Logan Intl

14h 20m

1 stop

OPO6:05 pmPorto

Apr 8

OPO5:15 pmPorto

7h 40m

BOS7:55 pmBoston Logan Intl

$336

TAP AIR PORTUGAL

Apr 8

BOS10:45 pmBoston Logan Intl

15h 15m

1 stop

OPO7:00 pmPorto

Apr 15

OPO5:15 pmPorto

7h 40m

BOS7:55 pmBoston Logan Intl

$342

TAP AIR PORTUGAL

Mar 30

BOS10:45 pmBoston Logan Intl

15h 15m

1 stop

OPO7:00 pmPorto

Apr 12

OPO5:15 pmPorto

7h 40m

BOS7:55 pmBoston Logan Intl

$351

Delta flights from Rhode Island to Porto

Our best Delta deals on Rhode Island to Porto flight tickets

Delta

Apr 7

BOS9:45 pmBoston Logan Intl

19h 20m

1 stop

OPO10:05 pmPorto

Apr 14

OPO6:15 amPorto

13h 40m

1 stop

BOS2:55 pmBoston Logan Intl

$395

Delta

Jan 28

BOS6:30 pmBoston Logan Intl

11h 00m

1 stop

OPO10:30 amPorto

Feb 9

OPO11:15 amPorto

31h 10m

1 stop

BOS1:25 pmBoston Logan Intl

$396

Delta

Jan 27

BOS8:20 pmBoston Logan Intl

33h 10m

1 stop

OPO10:30 amPorto

Feb 3

OPO11:15 amPorto

31h 10m

1 stop

BOS1:25 pmBoston Logan Intl

$398

Fly from

Fly to

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/8

10:45 pm-7:00 pm

1 stop15h 15m

Porto

Wed 4/15

5:15 pm-7:55 pm

Nonstop7h 40m

$342

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 3/10

10:50 pm-11:15 am

1 stop32h 25m

Porto

Tue 3/17

7:25 pm-9:20 pm

1 stop29h 55m

$347

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/30

10:45 pm-7:00 pm

1 stop15h 15m

Porto

Sun 4/12

5:15 pm-7:55 pm

Nonstop7h 40m

$351

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 2/1

10:45 pm-1:00 pm

1 stop9h 15m

Porto

Sat 2/7

8:55 am-2:35 pm

1 stop10h 40m

$352

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/1

10:45 pm-3:00 pm

1 stop11h 15m

Porto

Wed 4/8

5:15 pm-7:55 pm

Nonstop7h 40m

$353

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Thu 2/26

5:48 am-9:30 am

2 stops22h 42m

Porto

Thu 3/5

6:00 am-7:27 pm

2 stops18h 27m

$491

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Mon 3/9

2:42 pm-9:30 am

2 stops14h 48m

Porto

Sun 3/15

12:30 pm-2:07 pm

2 stops53h 37m

$512

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Thu 1/22

12:54 pm-1:20 pm

2 stops19h 26m

Porto

Thu 1/29

11:20 am-11:39 pm

2 stops17h 19m

$542

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Wed 4/29

7:06 pm-6:10 pm

2 stops18h 04m

Porto

Tue 5/12

5:00 am-4:02 pm

2 stops16h 02m

$708

ProvidencePorto

PVD - OPO

PVDOPO

Providence-TFGreen

Sat 4/18

12:45 pm-3:25 pm

2 stops21h 40m

Porto

Mon 4/27

4:20 pm-11:30 pm

2 stops36h 10m

$821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $459. If you aren’t able to travel during the month of February, then book flights to Porto from Rhode Island during November instead. Flights to Porto in November, while not as cheap as those in February, still average around $519.

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 $842. 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 $635 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

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 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?
The number of operators available for flights from Rhode Island to Porto Airport is 11 as of January 2026.
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.

Vila Nova de Gaia

Coimbra

Braga

Matosinhos

Aveiro

Esposende

Lamego

Guimarães

Chaves

Espinho

Viseu

Pinhao

Arcos de Valdevez

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.