Porto (OPO) → Milwaukee (MKE)
About Porto to Milwaukee Flights
Discover the best flights from Porto to Milwaukee, covering 6,281 km in approximately 8h 21m. Porto (OPO) to Milwaukee (MKE) is one of the major long-haul routes connecting Portugal and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Porto to Milwaukee.
12-Month Price History
Flight prices from Porto to Milwaukee vary significantly throughout the year. February typically offers the best deals with average prices around $1182, while July sees the highest prices, averaging $1983. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
105 days
For best prices
Booking Tips
For the best prices on Porto to Milwaukee flights, we recommend booking 131 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Portugália Airlines NI | $2000 | $6630 | $10890 |
American Airlines AA | $2010 | $7390 | $12840 |
British Airways BA | $2170 | $7260 | $12010 |
Delta Air Lines DL | $2170 | $6990 | $10650 |
TAP Air Portugal TP | $2310 | $6700 | $13150 |
United Airlines UA | $2460 | $8290 | $10220 |
Air France AF | $2680 | $7300 | $13290 |
Portugália Airlines
NI
Economy
$2000
Business
$6630
First
$10890
American Airlines
AA
Economy
$2010
Business
$7390
First
$12840
British Airways
BA
Economy
$2170
Business
$7260
First
$12010
Delta Air Lines
DL
Economy
$2170
Business
$6990
First
$10650
TAP Air Portugal
TP
Economy
$2310
Business
$6700
First
$13150
United Airlines
UA
Economy
$2460
Business
$8290
First
$10220
Air France
AF
Economy
$2680
Business
$7300
First
$13290
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Porto → Chicago
Francisco Sá Carneiro (OPO) to O'Hare International (ORD)
Distance: 6,332 km
Average price: $1365
Porto → Chicago
Francisco Sá Carneiro (OPO) to Chicago Midway International (MDW)
Distance: 6,331 km
Average price: $1365
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Frequently Asked Questions
How long is the flight from Porto to Milwaukee?
The flight time from Porto (OPO) to Milwaukee (MKE) is approximately 8 hours and 21 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Porto and Milwaukee?
The aerial distance between Porto and Milwaukee is 6,281 kilometers (3,903 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Porto to Milwaukee?
Several airlines operate flights between Porto and Milwaukee, including TAP Air Portugal, Portugália Airlines, American Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Porto to Milwaukee?
Based on historical data, February typically offers the lowest airfares for flights from Porto to Milwaukee. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Milwaukee?
For the best prices on Porto to Milwaukee flights, we recommend booking 68 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Porto to Milwaukee?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Portugal traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Porto and Milwaukee?
Porto operates on Europe/Lisbon time zone, while Milwaukee is in the America/Chicago time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.