BWI - OPO

$309 Find Cheap Flights from Baltimore to Porto - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Baltimore to Porto departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$728
Iberia
Tue 11/24Tue 12/1
BWI - OPO • 2 stops
Cheapest one-way
$309
Multiple Airlines
Mon 8/31
BWI - OPO • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Baltimore and Porto. You'll need at least 1 connection.
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Top layover airports
Cheapest • Avg $992 (round-trip)
Shortest trip • 10h 45m (one-way)
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Booking Insights
Flight Deals

Cheap Flights from Baltimore to Porto (BWI-OPO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Baltimore to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Baltimore to Porto

Tue, Nov 24 - Tue, Dec 1
Iberia Logo
6:55 pm - 8:00 pmBWI  Baltimore/Washington-OPO Porto
20h 05m2 stops London Heathrow Madrid Barajas
Iberia Logo
8:40 pm - 5:05 pmOPO  Porto-BWI Baltimore/Washington
25h 25m2 stops Madrid Barajas London Heathrow
$728Iberia
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
9:39 am - 7:40 amBWI  Baltimore/Washington-OPO Porto
17h 01m2 stops Charlotte Douglas Madrid Barajas
Multiple Airlines Logo
8:40 pm - 6:45 pmOPO  Porto-BWI Baltimore/Washington
27h 05m2 stops Madrid Barajas London Heathrow
$737Multiple Airlines
Sat, Sep 26 - Mon, Oct 5
Multiple Airlines Logo
8:30 pm - 8:25 pmBWI  Baltimore/Washington-OPO Porto
18h 55m2 stops Reykjavik Keflavik Intl Milan Malpensa
Multiple Airlines Logo
10:30 pm - 10:15 pmOPO  Porto-BWI Baltimore/Washington
28h 45m3 stops Lisbon Humberto Delgado Milan Malpensa Reykjavik Keflavik Intl
$742Multiple Airlines
Tue, Nov 3 - Thu, Nov 12
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
$745United Airlines
Mon, Nov 2 - Thu, Nov 12
Delta Logo
1:55 pm - 10:35 amBWI  Baltimore/Washington-OPO Porto
15h 40m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 11:03 pmOPO  Porto-BWI Baltimore/Washington
23h 03m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$747Delta
Sun, Oct 18 - Sat, Oct 24
Multiple Airlines Logo
8:30 pm - 8:00 amBWI  Baltimore/Washington-OPO Porto
30h 30m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Barcelona-El Prat
Multiple Airlines Logo
5:05 am - 10:15 pmOPO  Porto-BWI Baltimore/Washington
22h 10m3 stops Lisbon Humberto Delgado Kastrup Copenhagen Reykjavik Keflavik Intl
$755Multiple Airlines
Wed, Sep 23 - Tue, Sep 29
Multiple Airlines Logo
8:30 pm - 8:00 amBWI  Baltimore/Washington-OPO Porto
30h 30m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Barcelona-El Prat
Multiple Airlines Logo
10:00 pm - 7:25 pmOPO  Porto-BWI Baltimore/Washington
26h 25m3 stops Barcelona-El Prat Brussels Bruxelles-National Reykjavik Keflavik Intl
$757Multiple Airlines
Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
8:30 pm - 8:00 amBWI  Baltimore/Washington-OPO Porto
30h 30m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Barcelona-El Prat
Multiple Airlines Logo
6:15 am - 10:15 pmOPO  Porto-BWI Baltimore/Washington
21h 00m2 stops London Gatwick Reykjavik Keflavik Intl
$775Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
Multiple Airlines Logo
6:55 pm - 7:15 pmBWI  Baltimore/Washington-OPO Porto
19h 20m1 stop London Heathrow
Multiple Airlines Logo
8:40 pm - 5:05 pmOPO  Porto-BWI Baltimore/Washington
25h 25m2 stops Madrid Barajas London Heathrow
$776Multiple Airlines
Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
5:31 pm - 9:30 amBWI  Baltimore/Washington-OPO Porto
58h 59m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 9:42 pmOPO  Porto-BWI Baltimore/Washington
38h 07m2 stops Newark Chicago O'Hare Intl
$777United Airlines
Booking Insights

KAYAK's insights & trends for Baltimore to Porto flights

Get data-powered insights and trends into flights from Baltimore to Porto to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Baltimore to Porto?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Baltimore to Porto were found on Iberia ($728) and United Airlines ($745).

Good to know

Cheapest flight

$309
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Baltimore to Porto

  • What is the cheapest flight from Baltimore to Porto?

    In the last 5 days, the lowest price for a flight from Baltimore to Porto was $309 for a one-way ticket and $728 for a round-trip.

  • Do I need a passport to fly between Baltimore and Porto?

    A passport is required to fly from Baltimore to Porto.

  • Which airports will I be using when flying from Baltimore to Porto?

    When flying out of Baltimore you will be using Baltimore/Washington. You will be landing at Porto, also known as Porto.

  • Which aircraft models fly most regularly from Baltimore to Porto?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Baltimore to Porto?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Baltimore to Porto.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Baltimore to Porto?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Baltimore is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Baltimore to Porto?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Baltimore with another airline. Booking your flights between Baltimore and OPO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Baltimore to Porto?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Baltimore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Baltimore to Porto

Information on your arrival and departure airports