The cheapest times to fly from OPO to BOS are

  • January 8th to April 1st
  • April 16th to May 20th (except the week of April 23rd)
  • September 10th to December 9th (except the weeks of October 22nd, October 29th, and November 26th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from OPO to BOS is late March. Prices can be as high as $955 for Friday flights during early to mid August, or as low as $405 for Tuesday flights around late March.


When to Fly to Boston

Flying from Porto (OPO) to Boston, MA (BOS) will usually cost between $460 to $822 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late March with an average ticket price of $473. Due to high demand the most expensive time to fly is early to mid August, with an average price of $847. Planning your trip to low-cost times can easily save you $374 on economy flights and even more on first-class flights. Generally, any price below $504 can be considered a good price for a round-trip OPO to BOS flight.

See below for a graph of average weekly prices for the OPO to BOS route. All prices are for round-trip tickets in USD.

OPO to BOS Flight Prices

Compared to other flights, the OPO to BOS flight is cheaper than the average and costs less than the average flight leaving from Porto. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to BOS, and Monday the cheapest day to fly back into OPO. Fridays are the most expensive days to fly to Boston, and Saturdays are the most expensive days to return to Porto. Selecting flights on the least expensive days could save you up to $64 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $519. Return trip prices are from the BOS to OPO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from OPO to BOS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 37 minutes may not be realistic.


Flight Hacking OPO to BOS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from OPO to BOS — but Champion Traveler does!

Hack #1: Madrid (OPO > MAD > BOS)

  • Price for both tickets: $421
  • Average savings: $83 (16.48%)

See OPO to BCN flights

Hack #2: Barcelona (OPO > BCN > BOS)

  • Price for both tickets: $451
  • Average savings: $53 (10.53%)

See OPO to MAD flights

Hack #3: London (OPO > LGW > BOS)

  • Price for both tickets: $483
  • Average savings: $21 (4.17%)

See OPO to LGW flights


Flight Questions Answered

Still have questions about flying from OPO to BOS? We’ve got answers.

Which airlines fly this route?

You can find 24 major airlines flying this route most often: Air Canada, Air Europa, Air France, Alitalia, American, Azores Airlines, British Airways, Brussels Airlines, Delta, easyJet, El Al, Finnair, Iberia, JetBlue, KLM, Lufthansa, Norwegian, Royal Air Maroc, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Logan International Airport to Porto Airport?

The distance between the two airports is roughly 3135 miles or 5045 kilometers.

How long does it take to fly from OPO to BOS?

The real-world flight time for a nonstop OPO to BOS flight is about 6 hour 37 minutes.

How many flights go between Porto and Boston, MA?

It depends on the day of the week and the date, but a typical day might have around 73 available flights from OPO to BOS.


Airport Location Info


Departing Airport

Origination code OPO
Origination airport name Porto Airport
City Porto
Country Portugal
Latitude 41.2
Longitude -8.7

Return Airport

Destination code BOS
Destination airport name Logan International Airport
City Boston, MA
Country the United States
Latitude 42.4
Longitude -71


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.