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Cheap flights from Raleigh to Porto from $349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to Porto departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Raleigh to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:29 am - 9:30 am
RDU
-
OPO
17h 01m
2 stops
United Airlines Logo
6:00 am - 11:26 pm
OPO
-
RDU
22h 26m
2 stops
$753United Airlines
Thu, Nov 26 - Thu, Dec 3
United Airlines Logo
2:52 pm - 9:30 am
RDU
-
OPO
13h 38m
1 stop
United Airlines Logo
12:35 pm - 9:55 pm
OPO
-
RDU
14h 20m
1 stop
$762United Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
3:40 pm - 11:00 pm
RDU
-
OPO
26h 20m
3 stops
Multiple Airlines Logo
8:55 pm - 8:46 pm
OPO
-
RDU
28h 51m
2 stops
$763Multiple Airlines
Sun, Sep 13 - Mon, Sep 21
Delta Logo
10:00 am - 9:05 am
RDU
-
OPO
18h 05m
1 stop
Delta Logo
5:00 am - 11:53 pm
OPO
-
RDU
23h 53m
2 stops
$769Delta
Sun, Nov 1 - Sun, Nov 8
United Airlines Logo
7:51 pm - 9:30 am
RDU
-
OPO
32h 39m
2 stops
United Airlines Logo
6:00 am - 10:26 am
OPO
-
RDU
33h 26m
2 stops
$772United Airlines
Sun, Nov 1 - Sun, Nov 8
Air France Logo
2:00 pm - 9:05 am
RDU
-
OPO
14h 05m
1 stop
Air France Logo
11:30 am - 4:15 pm
OPO
-
RDU
33h 45m
1 stop
$779Air France
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
3:40 pm - 7:50 am
RDU
-
OPO
35h 10m
3 stops
Multiple Airlines Logo
8:55 pm - 8:46 pm
OPO
-
RDU
28h 51m
3 stops
$781Multiple Airlines
Sun, Sep 13 - Mon, Sep 21
Multiple Airlines Logo
3:40 pm - 8:30 pm
RDU
-
OPO
23h 50m
2 stops
Multiple Airlines Logo
8:55 pm - 8:46 pm
OPO
-
RDU
28h 51m
2 stops
$785Multiple Airlines
Sun, Sep 13 - Mon, Sep 21
United Airlines Logo
9:10 am - 7:00 am
RDU
-
OPO
16h 50m
1 stop
United Airlines Logo
11:20 am - 11:59 pm
OPO
-
RDU
41h 39m
2 stops
$817United Airlines
Tue, Sep 29 - Wed, Oct 14
Multiple Airlines Logo
4:45 pm - 7:00 am
RDU
-
OPO
57h 15m
2 stops
Multiple Airlines Logo
11:20 am - 11:59 pm
OPO
-
RDU
41h 39m
2 stops
$819Multiple Airlines
Sun, Oct 4 - Wed, Oct 14

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United Airlines flights from Raleigh to Porto

Our best United Airlines deals on Raleigh to Porto flight tickets
United Airlines
Nov 26
RDU11:29 amRaleigh-Durham
17h 01m
2 stops
OPO9:30 amPorto
Dec 3
OPO6:00 amPorto
22h 26m
2 stops
RDU11:26 pmRaleigh-Durham
$753
United Airlines
Nov 26
RDU2:52 pmRaleigh-Durham
13h 38m
1 stop
OPO9:30 amPorto
Dec 3
OPO12:35 pmPorto
14h 20m
1 stop
RDU9:55 pmRaleigh-Durham
$762
United Airlines
Nov 1
RDU7:51 pmRaleigh-Durham
32h 39m
2 stops
OPO9:30 amPorto
Nov 8
OPO6:00 amPorto
33h 26m
2 stops
RDU10:26 amRaleigh-Durham
$772

Air Canada flights from Raleigh to Porto

Our best Air Canada deals on Raleigh to Porto flight tickets
Air Canada
Sep 28
RDU9:10 amRaleigh-Durham
16h 50m
1 stop
OPO7:00 amPorto
Oct 14
OPO6:00 amPorto
20h 31m
2 stops
RDU9:31 pmRaleigh-Durham
$822
Air Canada
Sep 28
RDU9:10 amRaleigh-Durham
16h 50m
1 stop
OPO7:00 amPorto
Oct 16
OPO6:00 amPorto
19h 46m
2 stops
RDU8:46 pmRaleigh-Durham
$827
Air Canada
Aug 3
RDU4:45 pmRaleigh-Durham
33h 15m
2 stops
OPO7:00 amPorto
Aug 19
OPO11:20 amPorto
33h 45m
2 stops
RDU4:05 pmRaleigh-Durham
$861

momondo Fare Finder

 
Customize your flight search to find flights from Raleigh 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 June 21, 2026.
Use the filters below to find and compare flights from Raleigh to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 11/26

11:29 am-9:30 am

2 stops17h 01m

Porto

Thu 12/3

6:00 am-11:26 pm

2 stops22h 26m

$753
Quickest round-trip

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 11/26

2:52 pm-9:30 am

1 stop13h 38m

Porto

Thu 12/3

12:35 pm-9:55 pm

1 stop14h 20m

$762

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 9/13

3:40 pm-11:00 pm

3 stops26h 20m

Porto

Mon 9/21

8:55 pm-8:46 pm

2 stops28h 51m

$763

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 11/1

10:00 am-9:05 am

1 stop18h 05m

Porto

Sun 11/8

5:00 am-11:53 pm

2 stops23h 53m

$769

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 11/1

7:51 pm-9:30 am

2 stops32h 39m

Porto

Sun 11/8

6:00 am-10:26 am

2 stops33h 26m

$772

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 11/1

2:00 pm-9:05 am

1 stop14h 05m

Porto

Sun 11/8

11:30 am-4:15 pm

1 stop33h 45m

$779

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 9/13

3:40 pm-7:50 am

3 stops35h 10m

Porto

Mon 9/21

8:55 pm-8:46 pm

3 stops28h 51m

$781

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 9/13

3:40 pm-8:30 pm

2 stops23h 50m

Porto

Mon 9/21

8:55 pm-8:46 pm

2 stops28h 51m

$785

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 9/29

9:10 am-7:00 am

1 stop16h 50m

Porto

Wed 10/14

11:20 am-11:59 pm

2 stops41h 39m

$817

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 10/4

4:45 pm-7:00 am

2 stops57h 15m

Porto

Wed 10/14

11:20 am-11:59 pm

2 stops41h 39m

$819

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 Raleigh 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 typical price of a round-trip flight between Raleigh and Porto?

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Raleigh, with most prices found around $492. If you aren’t able to travel during the month of January, then book flights to Porto from Raleigh during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $708.

How far in advance should I book a flight from Raleigh to Porto?

You are more likely to see cheaper flights to Porto from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $915 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Raleigh for as low as $708 on momondo.

Can stopping save me money on Raleigh to Porto flights?

You could potentially save up to 30% on your flight if you consider stops on a Raleigh to Porto flight.

When to book flights from Raleigh to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Raleigh to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Raleigh to Porto (RDU to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Raleigh to Porto

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Raleigh to Porto takes 10h 00m
There are no direct flights from Raleigh to Porto. There are no popular flight routes from Raleigh to Porto.
Search flight deals

Frequently asked questions about flying from Raleigh to Porto

  • How far is Raleigh-Durham to Porto by plane?

    Raleigh-Durham and Porto are 3700.0 mi apart from one another. Typically, this will take 10h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Raleigh-Durham Airport to Porto Airport?

    Prices for flights from Raleigh-Durham Airport to Porto Airport are updated daily.

  • How many operators does momondo search for flights from Raleigh-Durham Airport to Porto Airport?

  • How old do you have to be to fly from Raleigh-Durham Airport to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Raleigh-Durham Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Raleigh to Porto?

Best airlines flying from Raleigh to Porto

Compare and see reviews for airlines that fly from Raleigh to Porto with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $597Free CancellationRating
7.8
8,424 reviews
Search Delta flights
American AirlinesPriceFrom $608Free CancellationRating
7.1
11,724 reviews
Search American Airlines flights
LufthansaPriceFrom $633Free CancellationRating
6.8
8,086 reviews
Search Lufthansa flights
United AirlinesPriceFrom $701Free CancellationRating
7.4
9,866 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $887Free CancellationRating
7.2
2,290 reviews
Search TAP AIR PORTUGAL flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Mesao Frio
Mira
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Raleigh to Porto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Raleigh to Porto for you.

Can I find flights from Raleigh to Porto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Raleigh to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from Raleigh to Porto?

momondo provides multiple filters to help you find the best flight to Porto from Raleigh. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Raleigh 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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