BWI - OPO

$295 Find Cheap Flights from Baltimore to Porto - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$737
Typical prices: $847-$972
Multiple Airlines
Sat 1/13Fri 1/19
BWI - OPO • 3 stops
Cheapest one-way
$295
Typical prices: $350-$624
Multiple Airlines
Sat 2/3
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, Jan 13 - Tue, Jan 19
Multiple Airlines Logo
7:40 pm - 6:45 amBWI  Baltimore/Washington-OPO Porto
30h 05m3 stops Reykjavik Keflavik Intl Lisbon Humberto Delgado Madrid Barajas
Multiple Airlines Logo
7:00 am - 6:40 pmOPO  Porto-BWI Baltimore/Washington
16h 40m2 stops Lisbon Humberto Delgado Reykjavik Keflavik Intl
$737Multiple Airlines
Sun, Apr 11 - Wed, Apr 21
Iberia Logo
6:40 pm - 8:00 pmBWI  Baltimore/Washington-OPO Porto
44h 20m2 stops London Heathrow Madrid Barajas
Iberia Logo
8:45 am - 4:30 pmOPO  Porto-BWI Baltimore/Washington
36h 45m2 stops Barcelona-El Prat London Heathrow
$743Iberia
Tue, Dec 8 - Wed, Dec 16
Delta Logo
2:00 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
15h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 6:13 pmOPO  Porto-BWI Baltimore/Washington
18h 13m2 stops Amsterdam Schiphol Boston Logan Intl
$744Delta
Wed, Mar 17 - Fri, Apr 2
Delta Logo
3:30 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
15h 05m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:55 am - 5:03 pmOPO  Porto-BWI Baltimore/Washington
16h 08m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
$746Delta
Sun, Mar 7 - Thu, Mar 11
United Airlines Logo
6:20 am - 9:30 amBWI  Baltimore/Washington-OPO Porto
22h 10m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 10:02 amOPO  Porto-BWI Baltimore/Washington
26h 27m2 stops Newark Chicago O'Hare Intl
$747United Airlines
Sun, Mar 7 - Thu, Mar 11
United Airlines Logo
6:20 am - 9:30 amBWI  Baltimore/Washington-OPO Porto
22h 10m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 10:02 amOPO  Porto-BWI Baltimore/Washington
26h 27m2 stops Newark Chicago O'Hare Intl
$748United Airlines
Sun, Jan 17 - Tue, Jan 26
Delta Logo
11:00 am - 10:35 amBWI  Baltimore/Washington-OPO Porto
18h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 4:39 pmOPO  Porto-BWI Baltimore/Washington
16h 39m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$749Delta
Sun, Jan 17 - Tue, Jan 26
Delta Logo
11:00 am - 10:35 amBWI  Baltimore/Washington-OPO Porto
18h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 4:39 pmOPO  Porto-BWI Baltimore/Washington
16h 39m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$750Delta
Thu, Jan 21 - Sun, Jan 24
Multiple Airlines Logo
7:40 pm - 11:50 pmBWI  Baltimore/Washington-OPO Porto
23h 10m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bergamo Orio Al Serio
Multiple Airlines Logo
6:05 pm - 6:40 pmOPO  Porto-BWI Baltimore/Washington
29h 35m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$779Multiple Airlines
Thu, Mar 4 - Fri, Mar 12
Delta Logo
10:57 am - 10:35 amBWI  Baltimore/Washington-OPO Porto
18h 38m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 7:20 pmOPO  Porto-BWI Baltimore/Washington
19h 20m2 stops Amsterdam Schiphol Boston Logan Intl
$788Delta
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?

Iberia ($743) and Delta ($744) are the cheapest airlines to fly round-trip from Baltimore to Porto according to KAYAK data over the last 5 days.

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Key details for Baltimore to Porto flights

Cheapest flight

$295
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?

    Only Economy Class is available on flights from Baltimore to Porto.

  • 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 $365, which is 22% 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 averaging $23 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • 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 11% on flights from Baltimore to Porto. Tuesday is the cheapest departure day at $869 round-trip on average, while Saturday is the most expensive at $972, a difference of $103.

    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 Mercado do Bolhão. 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 Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $869, about $103 less than Saturday fares (11% 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.

    • Ap Aeroporto Porto

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
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