BWI - OPO

$302 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
$654
Typical prices: $534-$927
Multiple Airlines
Sun 11/18Thu 11/22
BWI - OPO • 3 stops
Cheapest one-way
$302
Typical prices: $358-$556
Multiple Airlines
Fri 9/28
BWI - OPO • 3 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 18 - Sun, Nov 22
Multiple Airlines Logo
7:40 pm - 8:10 amBWI  Baltimore/Washington-OPO Porto
31h 30m3 stops Reykjavik Keflavik Intl Rome Fiumicino Barcelona-El Prat
Multiple Airlines Logo
12:00 pm - 6:40 pmOPO  Porto-BWI Baltimore/Washington
35h 40m3 stops Lisbon Humberto Delgado Rome Fiumicino Reykjavik Keflavik Intl
$654Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
7:40 pm - 10:50 pmBWI  Baltimore/Washington-OPO Porto
22h 10m2 stops Reykjavik Keflavik Intl Rome Fiumicino
Multiple Airlines Logo
12:00 pm - 6:40 pmOPO  Porto-BWI Baltimore/Washington
35h 40m3 stops Lisbon Humberto Delgado Rome Fiumicino Reykjavik Keflavik Intl
$674Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
10:09 am - 9:30 amBWI  Baltimore/Washington-OPO Porto
18h 21m2 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
$711United Airlines
Tue, Dec 8 - Wed, Dec 16
Delta Logo
1:52 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
15h 43m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 6:06 pmOPO  Porto-BWI Baltimore/Washington
18h 06m2 stops Amsterdam Schiphol Boston Logan Intl
$712Delta
Tue, Dec 8 - Wed, Dec 16
Delta Logo
12:18 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
17h 17m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
5:00 am - 6:06 pmOPO  Porto-BWI Baltimore/Washington
18h 06m2 stops Amsterdam Schiphol Boston Logan Intl
$712Delta
Thu, Nov 12 - Sun, Nov 15
Multiple Airlines Logo
7:40 pm - 8:10 amBWI  Baltimore/Washington-OPO Porto
31h 30m3 stops Reykjavik Keflavik Intl Rome Fiumicino Barcelona-El Prat
Multiple Airlines Logo
4:00 pm - 6:40 pmOPO  Porto-BWI Baltimore/Washington
31h 40m3 stops Lisbon Humberto Delgado Rome Fiumicino Reykjavik Keflavik Intl
$715Multiple Airlines
Wed, Jan 13 - Wed, Jan 27
Delta Logo
1:00 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
16h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 7:20 pmOPO  Porto-BWI Baltimore/Washington
19h 20m2 stops Amsterdam Schiphol Boston Logan Intl
$717Delta
Tue, Jan 12 - Tue, Jan 26
Delta Logo
1:00 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
16h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 7:20 pmOPO  Porto-BWI Baltimore/Washington
19h 20m2 stops Amsterdam Schiphol Boston Logan Intl
$717Delta
Wed, Jan 13 - Fri, Jan 29
Delta Logo
1:00 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
16h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
11:15 am - 12:26 amOPO  Porto-BWI Baltimore/Washington
18h 11m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$718Delta
Tue, Jan 12 - Mon, Jan 25
Delta Logo
1:00 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
16h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
11:15 am - 5:03 pmOPO  Porto-BWI Baltimore/Washington
34h 48m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$718Delta
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 from Baltimore to Porto with more confidence.

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

United Airlines ($711) and Delta ($712) 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

$302
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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

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

    Yes. Being flexible with your travel dates can save you up to 46% on the Baltimore to Porto route. 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 popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

  • How long is a flight from Baltimore to Porto?

    A nonstop flight from Baltimore to Porto takes 0h 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 $328, which is 23% below the typical average for this route.

  • 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 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

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 can be flexible, aim for a Thursday departure instead of Saturday. On this route, Thursday flights average $529 - about $443 less than Saturday (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