MKE - OPO

$602 Find Cheap Flights from Milwaukee to Porto

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Milwaukee to Porto departing on 6/30. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Milwaukee to Porto, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Milwaukee to Porto, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Milwaukee to Porto (MKE-OPO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Milwaukee 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 Milwaukee to Porto

Wed, Nov 12 - Tue, Nov 18
Lufthansa Logo
12:04 pm - 11:40 amMKE-OPO
17h 36m2 stops
Lufthansa Logo
6:00 am - 8:59 pmOPO-MKE
20h 59m2 stops
$615Lufthansa
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Thu, Nov 20 - Fri, Nov 28
Lufthansa Logo
12:04 pm - 11:40 amMKE-OPO
17h 36m2 stops
Lufthansa Logo
12:30 pm - 10:43 pmOPO-MKE
16h 13m2 stops
$755Lufthansa
Find Deal
Thu, Oct 16 - Sun, Oct 26
Lufthansa Logo
12:05 pm - 11:20 pmMKE-OPO
29h 15m2 stops
Lufthansa Logo
12:40 pm - 9:59 pmOPO-MKE
38h 19m2 stops
$807Lufthansa
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Thu, Oct 16 - Sun, Oct 26
United Airlines Logo
6:00 am - 11:15 amMKE-OPO
23h 15m2 stops
United Airlines Logo
6:00 am - 1:58 pmOPO-MKE
36h 58m2 stops
$811United Airlines
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Thu, Nov 20 - Sun, Nov 30
Delta Logo
12:20 pm - 10:50 amMKE-OPO
16h 30m2 stops
Delta Logo
11:45 am - 8:44 amOPO-MKE
50h 59m2 stops
$924Delta
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Fri, Nov 21 - Sat, Nov 29
Delta Logo
1:05 pm - 10:30 amMKE-OPO
15h 25m2 stops
Delta Logo
5:00 am - 4:43 pmOPO-MKE
17h 43m2 stops
$946Delta
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Wed, Aug 27 - Sun, Sep 7
United Airlines Logo
11:39 am - 6:05 amMKE-OPO
12h 26m1 stop
United Airlines Logo
11:20 am - 10:58 amOPO-MKE
29h 38m2 stops
$979United Airlines
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Wed, Aug 27 - Sun, Sep 7
Air Canada Logo
10:50 am - 9:20 amMKE-OPO
16h 30m3 stops
Air Canada Logo
11:20 am - 9:56 pmOPO-MKE
16h 36m3 stops
$1,016Air Canada
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Wed, Aug 27 - Sun, Sep 7
Logo
12:05 pm - 9:20 amMKE-OPO
15h 15m2 stops
Logo
11:20 am - 9:56 pmOPO-MKE
16h 36m3 stops
$1,209
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Wed, Nov 12 - Tue, Nov 18
Logo
11:00 am - 9:30 amMKE-OPO
16h 30m1 stop
Logo
12:30 pm - 10:43 pmOPO-MKE
16h 13m2 stops
$1,244
Find Deal
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KAYAK's insights & trends for Milwaukee to Porto flights

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

Which airlines provide the cheapest flights from Milwaukee to Porto?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Milwaukee to Porto were found on Lufthansa ($615) and United Airlines ($811).

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Good to know

Cheapest flight$602
Flight from Milwaukee to Porto

When to book flights from Milwaukee to Porto

Are your dates flexible? Find out the best times to travel from Milwaukee 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 Milwaukee to Porto

  • What is the cheapest flight from Milwaukee to Porto?

    In the last 3 days, the lowest price for a flight from Milwaukee to Porto was $602 for a one-way ticket and $615 for a round-trip.

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

    Yes, you’ll need a passport to travel to Porto from Milwaukee.

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

    Milwaukee airport is called Milwaukee-Mitchell and the only airport in Porto is Porto.

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

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

  • Which airline alliances offer flights from Milwaukee to Porto?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Milwaukee and Porto, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Milwaukee 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 Milwaukee to Porto.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Milwaukee 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 Milwaukee 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 Milwaukee with another airline. Booking your flights between Milwaukee 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 Milwaukee 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 Milwaukee 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 Milwaukee to Porto

Information on your arrival and departure airports

Milwaukee (MKE)
Porto (OPO)

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