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$732+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — OPO
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap 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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,017
(United Airlines)
Provider with most accurate pricing for Grand Rapids Gerald R. Ford Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Grand Rapids Gerald R. Ford Intl-Porto flights.
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From Grand Rapids Gerald R. Ford Intl to Porto
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Find 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 April 3, 2025.

This United deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/281:38 pmGRR - OPO
2 stops38h 57mUnited Airlines
Mon 10/1312:10 pmOPO - GRR
2 stops40h 39mUnited Airlines
Deal found 4/2$732
This United deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/34:43 pmGRR - OPO
2 stops14h 22mMultiple Airlines
Wed 7/1612:35 pmOPO - GRR
1 stop14h 09mMultiple Airlines
Deal found 4/2$1,021
This Priceline deal was found by Cheapflights users on 4/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:41 pmGRR - OPO
2 stops39h 59mBritish Airways
Thu 11/138:20 amOPO - GRR
2 stops19h 00mBritish Airways
Deal found 4/2$1,193
This Air Canada deal was found by Cheapflights users on 4/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/284:40 pmGRR - OPO
3 stops35h 55mAir Canada
Mon 10/138:50 amOPO - GRR
3 stops17h 32mAir Canada
Deal found 4/2$1,563

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 April 3, 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

Sun 9/28

1:38 pm-9:35 am

2 stops38h 57m

Porto

Mon 10/13

12:10 pm-11:49 pm

2 stops40h 39m

$732

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Thu 7/3

4:43 pm-12:05 pm

2 stops14h 22m

Porto

Wed 7/16

12:35 pm-9:44 pm

1 stop14h 09m

$1,021

Grand RapidsPorto

GRR - OPO

GRROPO

Grand Rapids Gerald R. Ford Intl

Sun 9/28

4:40 pm-9:35 am

3 stops35h 55m

Porto

Mon 10/13

8:50 am-9:22 pm

3 stops17h 32m

$1,563

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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.

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 April 3, 2025.

It’s optimal to fly from Grand Rapids to Porto at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 April 3, 2025.
United Airlines
7.4
Good
8,616 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,616 reviews
United Airlines
7.4
Good
8,616 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $1,017.

  • 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.

  • What is the cheapest month to book a flight from Grand Rapids to Porto?

    Currently, January is the cheapest month in which you can book a flight from Grand Rapids to Porto (average of $523). Flying from Grand Rapids to Porto in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Grand Rapids?

Book flights to Grand Rapids if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$811Average$1,225FlexibilityNo cancel feeOn-time69%

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