Cheap flights from Austin to Porto from $336
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin 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 Austin 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 Austin, with most prices found around $694. If you aren’t able to travel during the month of November, then book flights to Porto from Austin during January instead. Flights to Porto in January, while not as cheap as those in November, still average around $720.
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 Wednesday when prices can be found for as low as $988. 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 Sunday because tickets tend to average around $1,303. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.
What is the cheapest airline that flies from Austin Bergstrom to Porto?
United Airlines, Lufthansa, and KLM are the most popular carriers operating from Austin Bergstrom to Porto
What airlines fly to Porto?
United Airlines, Delta and KLM are the top three most popular airlines that fly to Porto from Austin according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 3 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.
When to book flights from Austin to Porto
Cheap Austin to Porto (AUS to OPO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Austin to Porto
How far is Austin Bergstrom to Porto by plane?
Austin Bergstrom and Porto are 4833.8 mi apart from one another. In terms of flight time, this usually takes a little over 11h 40m.
When did momondo last update prices for flights from Austin Bergstrom Airport to Porto Airport?
Prices for flights from Austin Bergstrom Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to Porto Airport?
As of June 2025, there are 3 operators available to choose from for flights from Austin Bergstrom Airport to Porto Airport.
How old do you have to be to fly from Austin Bergstrom Airport to Porto Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Austin to Porto?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Austin to Porto is United Airlines (51% of total bookings). The next most popular airlines are Delta (27%) and KLM (21%).
Best airlines flying from Austin to Porto
Compare and see reviews for airlines that fly from Austin to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $644 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $655 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $754 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Porto?
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Why should I use momondo to find a flight deal from Austin to Porto?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Porto. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Austin to Porto with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Porto from Austin with this policy.
How can momondo help me find flights from Austin to Porto?
momondo provides multiple filters to help you find the best flight to Porto from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Austin to Porto right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Austin to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.