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Cheap flights from Milwaukee (MKE) to Porto (OPO) from $622

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. 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.
MKE — OPO
Apr 29 — May 61
From?
To?
Mon 4/29
Mon 5/6
1 adult, Economy
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Cheap flight deals from Milwaukee to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 24, 2024.

Round-trip from

$523
From Milwaukee-Mitchell to Porto
Search Deals

When is the cheapest time to fly from Milwaukee to Porto (MKE - OPO)?

When flying from Milwaukee to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Milwaukee to Porto

Explore cheap flight options specifically provided by American Airlines for the route between Milwaukee and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Peruse some of the lowest-priced American Airlines flights we've found from Milwaukee to Porto. Make sure to check back often as deals are often changing.
Sat 7/272:34 pmMKE - OPO
3 stops19h 21mAmerican Airlines
Wed 8/78:15 amOPO - MKE
2 stops18h 51mAmerican Airlines
Deal found 4/23$2,904
Mon 5/275:05 pmMKE - OPO
3 stops16h 50mAmerican Airlines
Fri 6/148:15 amOPO - MKE
2 stops17h 06mAmerican Airlines
Deal found 4/23$3,219

Cheap Lufthansa flights from Milwaukee to Porto

Explore cheap flight options specifically provided by Lufthansa for the route between Milwaukee and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Browse through some of the cheapest Lufthansa flights traveling from Milwaukee to Porto. Check back soon if you're not seeing flights that suit your needs.
Wed 5/2212:10 pmMKE - OPO
2 stops21h 25mLufthansa
Wed 5/296:15 amOPO - MKE
2 stops20h 40mLufthansa
Deal found 4/22$1,173
Sat 6/86:33 pmMKE - OPO
1 stop30h 22mLufthansa
Thu 6/139:00 amOPO - MKE
1 stop14h 36mLufthansa
Deal found 4/24$2,102

Cheap Milwaukee to Porto flights in April & May 2024

Find cheap flight options from Milwaukee to Porto specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 24, 2024.
Listed are some of the best fares we've found on flights departing from Milwaukee to Porto in 2024. Check back regularly for other flight deals.
Mon 5/2711:01 amMKE - OPO
2 stops13h 54mUnited Airlines
Fri 6/149:00 amOPO - MKE
2 stops16h 10mUnited Airlines
Deal found 4/23$1,152
Wed 5/2212:10 pmMKE - OPO
2 stops21h 25mLufthansa
Wed 5/296:15 amOPO - MKE
2 stops20h 40mLufthansa
Deal found 4/22$1,173
Wed 5/225:15 amMKE - OPO
3 stops35h 40mMultiple Airlines
Wed 5/298:35 amOPO - MKE
3 stops42h 34mMultiple Airlines
Deal found 4/22$1,273
Wed 5/225:15 amMKE - OPO
3 stops35h 20mMultiple Airlines
Wed 5/2911:10 amOPO - MKE
2 stops15h 45mMultiple Airlines
Deal found 4/22$1,650
Mon 5/274:05 pmMKE - OPO
3 stops16h 55mAir Canada
Fri 6/148:50 amOPO - MKE
3 stops18h 05mAir Canada
Deal found 4/23$2,175
Mon 5/275:05 pmMKE - OPO
3 stops16h 50mAmerican Airlines
Fri 6/148:15 amOPO - MKE
2 stops17h 06mAmerican Airlines
Deal found 4/23$3,219

Milwaukee to Porto 2024 flight deals

Discover exclusive flight deals for travel between Milwaukee and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Listed are some of the best fares we've found on flights departing from Milwaukee to Porto in 2024. Check back regularly for other flight deals.
Wed 11/2012:14 pmMKE - OPO
2 stops17h 21mUnited Airlines
Sun 11/246:00 amOPO - MKE
2 stops22h 09mUnited Airlines
Deal found 4/23$622
Sat 6/85:50 amMKE - OPO
2 stops19h 10mMultiple Airlines
Thu 6/136:00 amOPO - MKE
3 stops41h 36mMultiple Airlines
Deal found 4/24$1,062
Sat 7/272:57 pmMKE - OPO
2 stops18h 33mDelta
Wed 8/76:30 amOPO - MKE
2 stops19h 27mDelta
Deal found 4/23$1,069
Mon 5/2711:45 amMKE - OPO
1 stop13h 10mUnited Airlines
Fri 6/149:00 amOPO - MKE
2 stops16h 10mUnited Airlines
Deal found 4/23$1,152
Wed 5/2212:10 pmMKE - OPO
2 stops21h 25mLufthansa
Wed 5/296:15 amOPO - MKE
2 stops20h 40mLufthansa
Deal found 4/22$1,173
Sat 6/85:50 amMKE - OPO
2 stops19h 10mMultiple Airlines
Thu 6/131:30 pmOPO - MKE
2 stops12h 24mMultiple Airlines
Deal found 4/24$1,218
Wed 5/225:15 amMKE - OPO
3 stops35h 40mMultiple Airlines
Wed 5/298:35 amOPO - MKE
3 stops42h 34mMultiple Airlines
Deal found 4/22$1,273
Wed 5/225:15 amMKE - OPO
3 stops35h 20mMultiple Airlines
Wed 5/2911:10 amOPO - MKE
2 stops15h 45mMultiple Airlines
Deal found 4/22$1,650
Sat 6/86:33 pmMKE - OPO
1 stop30h 22mMultiple Airlines
Thu 6/138:15 amOPO - MKE
2 stops15h 28mMultiple Airlines
Deal found 4/24$2,031

Find flights from Milwaukee to Porto within your budget

Customize your flight search to find flights from Milwaukee to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,062 - $2,904

Route

Depart

Return

Price

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Sat 6/8

2 stops19h 10m

Porto

Thu 6/13

3 stops41h 36m

$1,062

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Sat 7/27

2 stops18h 33m

Porto

Wed 8/7

2 stops19h 27m

$1,069

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Mon 5/27

2 stops13h 54m

Porto

Fri 6/14

2 stops16h 10m

$1,152

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Wed 5/22

2 stops21h 25m

Porto

Wed 5/29

2 stops20h 40m

$1,173

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Sat 6/8

2 stops19h 10m

Porto

Thu 6/13

2 stops12h 24m

$1,218

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Wed 5/22

3 stops35h 40m

Porto

Wed 5/29

3 stops42h 34m

$1,273

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Wed 5/22

3 stops35h 20m

Porto

Wed 5/29

2 stops15h 45m

$1,650

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Mon 5/27

3 stops16h 55m

Porto

Fri 6/14

3 stops18h 05m

$2,175

Milwaukee-MitchellPorto

MKE - OPO

MKEOPO

Milwaukee-Mitchell

Sat 7/27

3 stops19h 21m

Porto

Wed 8/7

2 stops18h 51m

$2,904

Flights are sorted by cheapest first

Deals found on 4/24

No data available for this route at this time. Please check back soon.

Average price of flights to Porto by month

Plan your trip from Milwaukee to Porto by taking into account the cheapest months to travel. The average price of a one-way flight from Milwaukee to Porto is currently $0 while a round-trip flight costs $1,520. Price data was last updated on April 21, 2024.

Currently, January is the cheapest month in which you can book a flight from Milwaukee to Porto (average of $523). Flying from Milwaukee to Porto in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$523

February

$581

March

$599

April

$742

May

$888

June

$1,027

July

$980

August

$869

September

$760

October

$694

November

$554

December

$643

Temperature and rainfall in Porto by month

Plan your trip to Porto by taking into account the average temperature and rainfall totals by month.

OPO

Temperature

48.2 - 68 °F

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated April 24, 2024.
See what other customers who have flown with American Airlines and Lufthansa from Milwaukee to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,004 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
11,004 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,272 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,898 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air Canada
7.0
Good
6,859 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Lufthansa
7.0
Good
7,756 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.5

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Milwaukee to Porto for under $1,100 on Cheapflights?

    Yes, there are multiple flights from Milwaukee to Porto for under $1,100. The cheapest flight booked recently is on Multiple Airlines for just $1,062, but on average you can expect to pay $1,752.

  • What are the cheapest airlines flying from Milwaukee to Porto round-trip?

    Our cheapest airline available from Milwaukee to Porto is Delta. Our recent data shows that you can find tickets from as low as $1,069 on this airline. Additional options worth looking into are United Airlines and Lufthansa, starting at $1,152 and $1,173 round-trip.

  • What does MKE to OPO mean?

    This is defined as Milwaukee-Mitchell Airport (MKE) and Porto Airport (OPO). Codes like Porto Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Milwaukee to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Milwaukee to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Milwaukee to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Milwaukee to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Milwaukee to Porto that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Porto.

  • Can I find deals for business class flights from Milwaukee to Porto?

    Yes. Cheapflights offers flight deals from Milwaukee to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Milwaukee to Porto that allow pets onboard?

    Many airlines flying from Milwaukee to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Milwaukee to Porto?

    Yes, you can often find last-minute deals on Milwaukee to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Milwaukee to Porto flight deals updated?

    The Milwaukee to Porto flight deals you see on this page were last updated on 4/24.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.

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Search flights from Milwaukee to Porto by cabin class

Find flights from Milwaukee to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Milwaukee to Porto?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Milwaukee to Porto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Milwaukee to Porto?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Milwaukee to Porto for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Milwaukee to Porto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Milwaukee to Porto flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Milwaukee to Porto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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