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$482+ Cheap flights from Grand Rapids (GRR) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — OPO
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Grand Rapids to Porto

Cheapest flights from Grand Rapids to Porto
Explore the most affordable flight options available from Grand Rapids to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:48 pm
GRR
-
OPO
2 stops23h 37m
Lufthansa
Thu 4/306:00 am
OPO
-
GRR
2 stops39h 01m
Lufthansa
Deal found 1/26$482
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:58 pm
GRR
-
OPO
2 stops15h 47m
United Airlines
Thu 4/306:00 am
OPO
-
GRR
2 stops19h 16m
United Airlines
Deal found 1/28$492
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:30 am
GRR
-
OPO
2 stops27h 10m
United Airlines
Tue 4/286:00 am
OPO
-
GRR
2 stops19h 21m
United Airlines
Deal found 1/27$508
This KAYAK deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:48 pm
GRR
-
OPO
2 stops23h 37m
Lufthansa
Tue 4/146:00 am
OPO
-
GRR
2 stops22h 53m
Lufthansa
Deal found 1/26$592
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:29 pm
GRR
-
OPO
2 stops22h 46m
Delta
Mon 4/1311:45 am
OPO
-
GRR
2 stops38h 12m
Delta
Deal found 1/26$595
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:05 am
GRR
-
OPO
2 stops24h 05m
United Airlines
Thu 5/146:00 am
OPO
-
GRR
2 stops20h 50m
United Airlines
Deal found 1/26$604
This Iberia deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:19 pm
GRR
-
OPO
2 stops18h 26m
Iberia
Sat 5/98:40 pm
OPO
-
GRR
2 stops29h 28m
Iberia
Deal found 1/27$622
This KAYAK deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:48 pm
GRR
-
OPO
2 stops23h 37m
Lufthansa
Tue 4/146:00 am
OPO
-
GRR
2 stops22h 53m
Lufthansa
Deal found 1/26$652

Find flight deals from Grand Rapids to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Grand Rapids (GRR) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$482
(FlightHub)

Popular in

June

Cheapest in

March
Provider with most accurate pricing for Grand Rapids Gerald R. Ford Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Grand Rapids Gerald R. Ford Intl-Porto flights.
Search Deals
From Grand Rapids Gerald R. Ford Intl to Porto
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Rapids 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, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Grand Rapids to Porto that are best for you.

Fly from

Grand Rapids

Fly to

Porto

Route

Depart

Return

Price

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Tue 4/21

6:48 pm-11:25 pm

2 stops23h 37m

Porto

Thu 4/30

6:00 am-4:01 pm

2 stops39h 01m

$482

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Tue 4/21

12:58 pm-9:45 am

2 stops15h 47m

Porto

Thu 4/30

6:00 am-8:16 pm

2 stops19h 16m

$492

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Wed 4/22

7:30 am-3:40 pm

2 stops27h 10m

Porto

Tue 4/28

6:00 am-8:21 pm

2 stops19h 21m

$508

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Sun 4/5

6:29 pm-10:15 pm

2 stops22h 46m

Porto

Mon 4/13

11:45 am-8:57 pm

2 stops38h 12m

$595

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Tue 4/28

6:05 am-11:10 am

2 stops24h 05m

Porto

Thu 5/14

6:00 am-9:50 pm

2 stops20h 50m

$604

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Wed 4/29

12:19 pm-11:45 am

2 stops18h 26m

Porto

Sat 5/9

8:40 pm-9:08 pm

2 stops29h 28m

$622

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Sat 4/4

6:48 pm-11:25 pm

2 stops23h 37m

Porto

Tue 4/14

6:00 am-11:53 pm

2 stops22h 53m

$652

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Sat 4/4

10:49 am-10:55 am

2 stops19h 06m

Porto

Mon 4/13

11:45 am-7:24 pm

2 stops36h 39m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Compare providers for flights from Grand Rapids to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Grand Rapids to Porto in January.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Grand Rapids-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Grand Rapids-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Grand Rapids-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Grand Rapids-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Grand Rapids-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Grand Rapids to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Grand Rapids with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated January 28, 2026.
Get a feel of what it's like to fly with United Airlines from Grand Rapids to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,209 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,209 reviews
United Airlines
7.4
Good
9,209 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Grand Rapids to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Grand Rapids to Porto?

    Departing from Grand Rapids to Porto will take you 15h 47m. There are 3795 mi between Grand Rapids and Porto. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Grand Rapids to Porto round-trip?

    Cheapflights users have booked flights from Grand Rapids to Porto round-trip from $723. United Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Grand Rapids to Porto that include hotel bookings?

    Yes. In addition to deals on Grand Rapids to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Grand Rapids to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Rapids to Porto.

  • Can I find deals for business class flights from Grand Rapids to Porto?

    Yes. Cheapflights offers flight deals from Grand Rapids to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Grand Rapids to Porto

Discover the top airline that operate flights from Grand Rapids to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$723Average$1,164FlexibilityNo cancel feeOn-time69%

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