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$478+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — OPO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Grand Rapids to Porto

Best flights from Grand Rapids to Porto
Discover carefully curated flight deals from Grand Rapids to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/9. 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.
Wed 1/1412:50 pmGRR - OPO
2 stops19h 25mLufthansa
Sat 1/246:00 amOPO - GRR
2 stops21h 00mLufthansa
Deal found 12/9$478
This United Airlines deal was found by Cheapflights users on 12/10. 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 2/2512:50 pmGRR - OPO
2 stops15h 40mUnited Airlines
Tue 3/106:00 amOPO - GRR
2 stops18h 11mUnited Airlines
Deal found 12/10$490
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/241:33 pmGRR - OPO
2 stops18h 17mLufthansa
Sat 1/316:00 amOPO - GRR
2 stops21h 25mLufthansa
Deal found 12/10$493
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Fri 1/301:33 pmGRR - OPO
2 stops17h 07mUnited Airlines
Tue 2/36:00 amOPO - GRR
2 stops21h 25mUnited Airlines
Deal found 12/9$505
This Orbitz deal was found by Cheapflights users on 12/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:26 pmGRR - OPO
1 stop15h 04mLufthansa
Tue 3/1012:35 pmOPO - GRR
1 stop15h 24mLufthansa
Deal found 12/10$495
This United Airlines deal was found by Cheapflights users on 12/10. 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 4/211:00 pmGRR - OPO
3 stops39h 45mUnited Airlines
Thu 4/306:00 amOPO - GRR
2 stops19h 10mUnited Airlines
Deal found 12/10$747
This FlightHub deal was found by Cheapflights users on 12/11. 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 4/214:40 pmGRR - OPO
2 stops25h 45mLufthansa
Thu 4/3012:35 pmOPO - GRR
1 stop16h 16mLufthansa
Deal found 12/11$732

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$478
(FlightHub)
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
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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 December 12, 2025.
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

Wed 1/14

12:50 pm-1:15 pm

2 stops19h 25m

Porto

Sat 1/24

6:00 am-10:00 pm

2 stops21h 00m

$478

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Wed 2/25

12:50 pm-9:30 am

2 stops15h 40m

Porto

Tue 3/10

6:00 am-8:11 pm

2 stops18h 11m

$490

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Sat 1/24

1:33 pm-12:50 pm

2 stops18h 17m

Porto

Sat 1/31

6:00 am-10:25 pm

2 stops21h 25m

$493

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Wed 2/25

1:26 pm-9:30 am

1 stop15h 04m

Porto

Tue 3/10

12:35 pm-11:59 pm

1 stop15h 24m

$495

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Fri 1/30

1:33 pm-11:40 am

2 stops17h 07m

Porto

Tue 2/3

6:00 am-10:25 pm

2 stops21h 25m

$505

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Tue 4/21

4:40 pm-11:25 pm

2 stops25h 45m

Porto

Thu 4/30

12:35 pm-11:51 pm

1 stop16h 16m

$732

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Tue 4/21

1:00 pm-9:45 am

3 stops39h 45m

Porto

Thu 4/30

6:00 am-8:10 pm

2 stops19h 10m

$747

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Grand Rapids-Porto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Grand Rapids to Porto

What is the cheapest time of day to fly from GRR to OPO?

Find hourly flight availability from Grand Rapids to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Grand Rapids to Porto in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

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 December 12, 2025.
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
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 40m. 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 $790.

  • 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
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$790Average$1,165FlexibilityNo cancel feeOn-time69%

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