$329 Cheap flight deals from Baltimore (WAS) to Porto (OPO)

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Airfares from $329 One Way, $746 Round Trip from Baltimore to Porto

Prices starting at $746 for return flights and $329 for one-way flights to Porto were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 2 - Fri, Nov 13
DCA
Washington
OPO
Porto
$746 Roundtrip, found 1 day ago
$746
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Nov 2 from Washington to Porto, returning Fri, Nov 13, priced at $746 found 1 day ago
Wed, Oct 28 - Tue, Nov 3
DCA
Washington
OPO
Porto
$754 Roundtrip, found 1 day ago
$754
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Oct 28 from Washington to Porto, returning Tue, Nov 3, priced at $754 found 1 day ago
Tue, Nov 17 - Sun, Nov 22
BWI
Baltimore
OPO
Porto
$781 Roundtrip, found 1 day ago
$781
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Tue, Nov 17 from Baltimore to Porto, returning Sun, Nov 22, priced at $781 found 1 day ago
Tue, Mar 2 - Tue, Mar 16
DCA
Washington
OPO
Porto
$782 Roundtrip, found 6 days ago
$782
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Mar 2 from Washington to Porto, returning Tue, Mar 16, priced at $782 found 6 days ago
Fri, Aug 28 - Fri, Sep 18
DCA
Washington
OPO
Porto
$966 Roundtrip, found 22 hours ago
$966
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Aug 28 from Washington to Porto, returning Fri, Sep 18, priced at $966 found 22 hours ago

Porto economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Mila Porto
2.0-star property

The Mila Porto

10/10 Exceptional! (5 reviews)

Jul 13 - Jul 16

3 night stay

Baltimore (BWI) to Porto (OPO)

British Airways • Non-stop roundtrip • Coach
Price was $2,194, price is now $1,419 per person
$1,419
per person
found 1 day ago
Altis Porto Hotel, member of Preferred Hotels & Resorts – L.V.X.
5.0-star property

Altis Porto Hotel, member of Preferred Hotels & Resorts – L.V.X.

9.6/10 Exceptional! (203 reviews)

Jul 13 - Jul 16

3 night stay

Baltimore (BWI) to Porto (OPO)

British Airways • Non-stop roundtrip • Coach
Price was $2,307, price is now $1,488 per person
$1,488
per person
found 1 day ago
Excellent hotel with top amenities. Staff were extraordinary and always willing to assist with any requests. Very pleased with the experience. Would not hesitate to book again.

Reviewed on Jun 10, 2025

Hotels 705 Porto Prime Home
4.0-star property

Hotels 705 Porto Prime Home

9.8/10 Exceptional! (263 reviews)

Jul 13 - Jul 16

3 night stay

Baltimore (BWI) to Porto (OPO)

British Airways • Non-stop roundtrip • Coach
Price was $2,213, price is now $1,434 per person
$1,434
per person
found 1 day ago
Courteous, rapid service and cleanliness

Reviewed on Jul 11, 2025

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More About Flying To Porto from Baltimore

Route Information for Flights from Baltimore to Porto

Origin Airport IATA Code
WAS
Destination Airport IATA Code
OPO
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Baltimore to Porto

When you’re ready to take your next trip, get the most affordable prices on flights from Baltimore to Porto with Orbitz! The guaranteed low prices and cutting-edge mobile tools on Orbits make it easy for you to plan your next great vacation.

Keep Up With Sudden Flight Changes

As any traveler knows, air travel can suddenly be temporarily halted due to service disruptions. Along with offering the best fares for flights from Baltimore to Porto, Orbitz also offers free mobile phone and email alerts that help you keep up with sudden changes to your flight plans. Choose from email, text, or voice message alerts.

Get Great Prices for Baltimore to Porto Flights

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Fly for Less and Earn Miles

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Frequently asked questions

What is the shortest flight from Baltimore to Porto?
Select a good seat, because you'll be keeping it warm for at least 9 hours and 30 minutes. This is the shortest possible flight time from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Porto (OPO-Dr. Francisco de Sa Carneiro)
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.