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Cheap flights from Rhode Island to Portugal from $257

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 Portugal departing on 10/14. 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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0 bags

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Find the cheapest flights from Rhode Island to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
3:34 pm - 8:05 am
BOS
-
OPO
12h 31m
1 stop
KLM Logo
11:00 am - 10:26 pm
OPO
-
BOS
16h 26m
1 stop
$646KLM
Fri, Oct 30 - Thu, Nov 5
United Airlines Logo
5:45 am - 7:00 am
BOS
-
OPO
20h 15m
1 stop
United Airlines Logo
2:25 pm - 9:50 am
OPO
-
BOS
24h 25m
1 stop
$648United Airlines
Mon, Aug 10 - Wed, Aug 19
Multiple Airlines Logo
5:45 am - 7:00 am
BOS
-
OPO
20h 15m
1 stop
Multiple Airlines Logo
8:40 am - 3:10 pm
OPO
-
BOS
11h 30m
1 stop
$649Multiple Airlines
Mon, Jul 6 - Fri, Sep 4
Scandinavian Airlines Logo
5:40 pm - 5:05 pm
BOS
-
OPO
18h 25m
1 stop
Scandinavian Airlines Logo
5:55 pm - 3:35 pm
OPO
-
BOS
26h 40m
1 stop
$650Scandinavian Airlines
Sat, Aug 15 - Fri, Aug 21
United Airlines Logo
9:50 am - 9:30 am
BOS
-
OPO
18h 40m
2 stops
United Airlines Logo
12:35 pm - 1:02 am
OPO
-
BOS
17h 27m
2 stops
$651United Airlines
Tue, Nov 3 - Mon, Nov 9
Multiple Airlines Logo
9:35 am - 6:50 am
BOS
-
OPO
16h 15m
2 stops
Multiple Airlines Logo
9:10 am - 8:20 pm
OPO
-
BOS
16h 10m
2 stops
$654Multiple Airlines
Sun, Jul 12 - Tue, Nov 10
TAP AIR PORTUGAL Logo
10:20 pm - 12:55 pm
BOS
-
TER
10h 35m
1 stop
TAP AIR PORTUGAL Logo
7:10 am - 8:20 pm
TER
-
BOS
17h 10m
1 stop
$656TAP AIR PORTUGAL
Thu, Oct 15 - Fri, Oct 23
Air Canada Logo
12:30 pm - 7:00 am
BOS
-
OPO
13h 30m
2 stops
Air Canada Logo
12:45 pm - 8:44 am
OPO
-
BOS
24h 59m
2 stops
$657Air Canada
Mon, Oct 12 - Wed, Oct 21
TAP AIR PORTUGAL Logo
10:20 pm - 12:55 pm
BOS
-
TER
10h 35m
1 stop
TAP AIR PORTUGAL Logo
6:10 pm - 8:20 pm
TER
-
BOS
30h 10m
1 stop
$671TAP AIR PORTUGAL
Thu, Oct 15 - Fri, Oct 23
Scandinavian Airlines Logo
5:35 pm - 2:10 pm
BOS
-
FNC
15h 35m
1 stop
Scandinavian Airlines Logo
3:55 pm - 3:40 pm
FNC
-
BOS
52h 45m
2 stops
$675Scandinavian Airlines
Mon, Nov 2 - Tue, Nov 17

Turkish Airlines flights from Rhode Island to Portugal

Our best Turkish Airlines deals on Rhode Island to Portugal flight tickets
Turkish Airlines
Sep 1
BOS9:50 pmBoston Logan Intl
36h 45m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Sep 28
LIS5:55 amLisbon Humberto Delgado
19h 00m
1 stop
BOS7:55 pmBoston Logan Intl
$768
Turkish Airlines
Sep 1
BOS9:50 pmBoston Logan Intl
36h 45m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Sep 8
LIS5:55 amLisbon Humberto Delgado
19h 00m
1 stop
BOS7:55 pmBoston Logan Intl
$773

TAP AIR PORTUGAL flights from Rhode Island to Portugal

Our best TAP AIR PORTUGAL deals on Rhode Island to Portugal flight tickets
TAP AIR PORTUGAL
Oct 15
BOS10:20 pmBoston Logan Intl
10h 35m
1 stop
TER12:55 pmLajes
Oct 23
TER7:10 amLajes
17h 10m
1 stop
BOS8:20 pmBoston Logan Intl
$656
TAP AIR PORTUGAL
Oct 15
BOS10:20 pmBoston Logan Intl
10h 35m
1 stop
TER12:55 pmLajes
Oct 23
TER6:10 pmLajes
30h 10m
1 stop
BOS8:20 pmBoston Logan Intl
$671
TAP AIR PORTUGAL
Oct 14
BOS6:05 pmBoston Logan Intl
11h 05m
1 stop
OPO10:10 amPorto
Oct 18
OPO9:00 amPorto
16h 20m
1 stop
BOS8:20 pmBoston Logan Intl
$675

momondo Fare Finder

 
Customize your flight search to find flights from Rhode Island to Portugal 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 May 12, 2026.
Use the filters below to find and compare flights from Rhode Island to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 10/30

3:34 pm-8:05 am

1 stop12h 31m

Porto

Thu 11/5

11:00 am-10:26 pm

1 stop16h 26m

$646

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 8/10

5:45 am-7:00 am

1 stop20h 15m

Porto

Wed 8/19

2:25 pm-9:50 am

1 stop24h 25m

$648

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 7/6

5:45 am-7:00 am

1 stop20h 15m

Porto

Fri 9/4

8:40 am-3:10 pm

1 stop11h 30m

$649

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sat 8/15

5:40 pm-5:05 pm

1 stop18h 25m

Porto

Fri 8/21

5:55 pm-3:35 pm

1 stop26h 40m

$650

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 11/3

9:50 am-9:30 am

2 stops18h 40m

Porto

Mon 11/9

12:35 pm-1:02 am

2 stops17h 27m

$651

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 7/12

9:35 am-6:50 am

2 stops16h 15m

Porto

Tue 11/10

9:10 am-8:20 pm

2 stops16h 10m

$654
Quickest round-trip

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Thu 10/15

10:20 pm-12:55 pm

1 stop10h 35m

Lajes

Fri 10/23

7:10 am-8:20 pm

1 stop17h 10m

$656

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 10/12

12:30 pm-7:00 am

2 stops13h 30m

Porto

Wed 10/21

12:45 pm-8:44 am

2 stops24h 59m

$657

BostonLajes

BOS - TER

BOSTER

Boston Logan Intl

Thu 10/15

10:20 pm-12:55 pm

1 stop10h 35m

Lajes

Fri 10/23

6:10 pm-8:20 pm

1 stop30h 10m

$671

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

Mon 11/2

5:35 pm-2:10 pm

1 stop15h 35m

Funchal Madeira

Tue 11/17

3:55 pm-3:40 pm

2 stops52h 45m

$675

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 Portugal from

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

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 Portugal?

The cheapest month to fly to Portugal from Rhode Island is in August. Flight prices, which tend to average around $454, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Portugal from Rhode Island during December instead. Flights to Portugal in December, while not as cheap as those in August, still average around $507.

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

You are more likely to see cheaper flights to Portugal from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $800 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Rhode Island for as low as $697 on momondo.

Can stopping save me money on Rhode Island to Portugal flights?

You could potentially save up to 16% on your flight if you consider stops on a Rhode Island to Portugal flight.

Cheap Rhode Island to Portugal flight deals and tips

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

Fastest flight time

4h 55m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Portugal

99 airports
The fastest flight from Rhode Island to Portugal takes 4h 55m
Direct flights go from Rhode Island to Portugal on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 99 airports in Portugal. From Rhode Island there are direct flights to Ponta Delgada Nordela (PDL).
Search flight deals

Frequently asked questions about flying from Rhode Island to Portugal

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

    Prices for flights from Rhode Island to Portugal are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rhode Island to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents you'll need for your trip to Portugal 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 Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Rhode Island to Portugal

Compare and see reviews for airlines that fly from Rhode Island to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $559Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Rhode Island to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

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

Flights from Rhode Island to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Rhode Island and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Rhode Island and alert you when they change.

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