Cheap flights from the United States to Porto from $228
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Porto departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from United States 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 cheapest month to fly to Porto?
The month of November is, on average, the cheapest month to fly to Porto from United States, with most prices found around $552. If you aren’t able to travel during the month of November, then book flights to Porto from United States during February instead. Flights to Porto in February, while not as cheap as those in November, still average around $566.
What is the cheapest day to depart on your flight to Porto?
The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $839. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,033. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.
What is the cheapest time of day to depart on your flight to Porto?
At noon is the cheapest time of day to fly from United States to Porto when you can find flight prices for as low as $435. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,189 on average. Flights to Porto from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest United States to Porto flight route?
Fly from Boston Logan Intl to Porto for the best United States - Porto flight prices
How far in advance should I book a flight to Porto?
You are more likely to see cheaper flights to Porto from United States when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $706 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from United States for as low as $610 on momondo.
What cabin class options are available on United States to Porto flights?
There are 3 cabin classes available to choose from on United States to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United States to Porto?
TAP AIR PORTUGAL, Iberia, and Azores Airlines are the most popular carriers operating from United States to Porto
What airlines fly to Porto?
TAP AIR PORTUGAL, United Airlines and Azores Airlines are the top three most popular airlines that fly to Porto from United States according to our data. TAP AIR PORTUGAL is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 19 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to Porto on average per day?
The number of flights available between United States and Porto is 7 per day as of May 2025. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.
How many flights depart from United States to Porto on average per week?
49 flights are operational weekly from United States to Porto as of May 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
Cheap United States to Porto flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Porto
When did momondo last update prices for flights from United States to Porto Airport?
Prices for flights from United States to Porto Airport refresh daily.
How many operators does momondo search for flights from United States to Porto Airport?
There are 17 operators available for flights from United States to Porto Airport as of May 2025.
How old do you have to be to fly from United States to Porto Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from United States to Porto?
Based on momondo bookings for flights between United States and Porto, the leading plane model is Boeing 757-200, making up 45.15% of the total bookings. Other popular models include Airbus A321neo with 35.74%, Airbus A330-900neo with 3.54%, and Airbus A330-200 with 1.88%.
Best airlines flying from United States to Porto
Compare and see reviews for airlines that fly from United States to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $269 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $293 | Free Cancellation | Rating 7.6 66 reviews | |||
| PriceFrom $375 | Free Cancellation | Rating 7.1 1,852 reviews | |||
| PriceFrom $377 | Free Cancellation | Rating 7.5 1,588 reviews | |||
| PriceFrom $422 | Free Cancellation | Rating 7.4 1,446 reviews | |||
| PriceFrom $425 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom $433 | Free Cancellation | Rating 4.0 4 reviews | |||
| PriceFrom $435 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $469 | Free Cancellation | Rating 6.9 510 reviews | |||
| PriceFrom $479 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United States to Porto?
It is quick and easy to find United States to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.
Can I find flights from United States to Porto with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for United States to Porto flights to just show those with flexible booking policies.
How can momondo help me find flights from United States to Porto?
Once you have performed a search for United States to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from United States to Porto right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of United States to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.