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BWI - OPO

$284 Find Cheap Flights from Baltimore to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$548
Typical prices: $534-$927
Multiple Airlines
Sun 11/11Sun 11/18
BWI - OPO • 2 stops
Cheapest one-way
$284
Typical prices: $358-$556
Multiple Airlines
Thu 11/8
BWI - OPO • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Baltimore and Porto. You'll need to take a connecting flight to reach the destination.
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Cheap Flights from Baltimore to Porto (BWI-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Baltimore to Porto

Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
10:54 am - 12:30 amBWI  Baltimore/Washington-OPO Porto
32h 36m2 stops Miami Lisbon Humberto Delgado
Multiple Airlines Logo
8:30 am - 10:24 amOPO  Porto-BWI Baltimore/Washington
30h 54m2 stops Lisbon Humberto Delgado Miami
$548Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
10:54 am - 10:00 pmBWI  Baltimore/Washington-OPO Porto
30h 06m2 stops Miami Lisbon Humberto Delgado
Multiple Airlines Logo
10:30 am - 4:44 pmOPO  Porto-BWI Baltimore/Washington
35h 14m3 stops Lisbon Humberto Delgado Miami Atlanta Hartsfield-Jackson
$603Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
10:45 am - 10:00 pmBWI  Baltimore/Washington-OPO Porto
30h 15m3 stops Atlanta Hartsfield-Jackson Miami Lisbon Humberto Delgado
Multiple Airlines Logo
10:30 am - 4:44 pmOPO  Porto-BWI Baltimore/Washington
35h 14m3 stops Lisbon Humberto Delgado Miami Atlanta Hartsfield-Jackson
$632Multiple Airlines
Tue, Oct 27 - Tue, Nov 10
United Airlines Logo
12:34 pm - 9:30 amBWI  Baltimore/Washington-OPO Porto
16h 56m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 2:06 pmOPO  Porto-BWI Baltimore/Washington
37h 06m2 stops Frankfurt am Main Chicago O'Hare Intl
$710United Airlines
Wed, Oct 28 - Wed, Nov 4
United Airlines Logo
6:10 am - 9:30 amBWI  Baltimore/Washington-OPO Porto
23h 20m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 10:29 amOPO  Porto-BWI Baltimore/Washington
26h 54m2 stops Frankfurt am Main Chicago O'Hare Intl
$710United Airlines
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
12:34 pm - 9:30 amBWI  Baltimore/Washington-OPO Porto
15h 56m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 7:09 pmOPO  Porto-BWI Baltimore/Washington
18h 09m2 stops Frankfurt am Main Chicago O'Hare Intl
$710United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
12:34 pm - 9:30 amBWI  Baltimore/Washington-OPO Porto
15h 56m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 7:09 pmOPO  Porto-BWI Baltimore/Washington
18h 09m2 stops Frankfurt am Main Chicago O'Hare Intl
$710United Airlines
Wed, Nov 11 - Wed, Nov 18
Delta Logo
1:49 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
15h 46m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 5:51 pmOPO  Porto-BWI Baltimore/Washington
17h 51m2 stops Amsterdam Schiphol Boston Logan Intl
$711Delta
Wed, Dec 2 - Thu, Dec 10
Delta Logo
9:05 am - 10:35 amBWI  Baltimore/Washington-OPO Porto
20h 30m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 11:35 pmOPO  Porto-BWI Baltimore/Washington
23h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$711Delta
Wed, Dec 2 - Tue, Dec 8
Delta Logo
9:05 am - 10:35 amBWI  Baltimore/Washington-OPO Porto
20h 30m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
11:15 am - 4:57 pmOPO  Porto-BWI Baltimore/Washington
34h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$711Delta
Booking Insights

Price, demand and travel trends for Baltimore to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Baltimore to Porto?

United Airlines ($710) and Delta ($711) are the cheapest airlines to fly round-trip from Baltimore to Porto according to KAYAK data over the last 5 days.

Find deals

Key details for Baltimore to Porto flights

Cheapest flight

$284
One-way flight from Baltimore to Porto

When to book flights from Baltimore to Porto

Are your dates flexible? Find out the best times to travel from Baltimore to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Baltimore to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Baltimore to Porto?

    Two cabin classes are available on flights from Baltimore to Porto:

    • Economy Class
    • Business Class

  • How long is a flight from Baltimore to Porto?

    A nonstop flight from Baltimore to Porto takes 00m, covering 3,493 miles.

  • Do I need a passport to fly from Baltimore to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Baltimore to Porto looking right now?

    One-way fares from Baltimore to Porto are currently lower than usual. Average one-way flight prices are about $296, which is 30% below the typical average for this route.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

    • Klass Wagen
    • Drive on Holiday
    • GREEN MOTION
    • Goldcar Rental SP
    • SURPRICE CAR RENTAL

  • Which airports can I use when flying from Baltimore to Porto?

    Flights from Baltimore to Porto usually depart from Baltimore/Washington (BWI) and arrive at Porto (OPO).

  • Can I save money by using flexible dates for flights from Baltimore to Porto?

    Yes. Flexible dates can save you up to 46% on flights from Baltimore to Porto. Thursday is the cheapest departure day at $529 round-trip on average, while Saturday is the most expensive at $972, a difference of $443.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Baltimore and Porto?

    Porto is 5 hours ahead of Baltimore (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Boavista Square. These are among the most viewed places in Porto on KAYAK.

Your guide to booking Baltimore to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $529, about $443 less than Saturday fares (46% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

    • Opo Hotel Porto Aeroporto

More options for your flight from Baltimore to Porto

Complete your trip to Porto with a hotel stay or car rental

Car rentals in Porto
Hotels in Porto
Vacations in Porto