Travelling from Porto Airport (OPO) to Chicago: what you need to know
The timezone in Chicago is UTC-5. The city is 5 hours behind Porto, where Porto Airport is located.
For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably board your flight from OPO to Chicago.
During popular months such as August, it's a good idea to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during high season in general.
Stopovers are the perfect opportunity to take a break from travelling — and perhaps even explore another city. When browsing flights from OPO to Chicago, uncheck the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:
Logan International Airport (BOS)
Pearson International Airport (YYZ)
Newark Liberty International Airport (EWR)
If you hold a passport from Portugal, you will need an ETA to visit United States. This applies when booking a cheap ticket from Porto Airport to Chicago for tourism purposes. Requirements may change if you're travelling for work or other reasons. Always consult official visa guidelines before you make travel plans and definitely before you fly.
The journey from central Porto to OPO takes about 49 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 16 kilometres in 21 minutes or so, depending on traffic conditions.
Need a handy hotel near OPO? If you've booked an early flight from Porto Airport to Chicago, these accommodation options will have you moments from check-in:
How to find the cheapest flights from Porto Airport (OPO) to Chicago
The lowest price we've found for a one-way ticket from Porto Airport to Chicago is C$530. The cheapest price for a return flight is C$916. Keep in mind fares can change due to demand at the time of booking.
Don't leave things to the last minute. You're more likely to find cheap tickets from OPO to Chicago if you book ahead. Airlines often offer some fantastic early bird discounts.
The 'Whole month' search function shows you the cheapest tickets from Porto Airport to Chicago across each month. It's an easy way to find a bargain if your plans aren't set in stone.
Sign into your online account or use the app to set up a Price Alert. You'll be notified right away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of looking for cheap tickets from OPO to Chicago every day.
Tailor your travel plans with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Porto Airport to Chicago.
Airports in Chicago
O'Hare International Airport (ORD)
O'Hare International Airport (ORD) to central Chicago is about 35 minutes by car. It's approximately 40 kilometres away.
It takes around 54 minutes if you're travelling on public transport.
If you have a late flight from Porto Airport to Chicago, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these hotels near ORD:
Chicago Midway International Airport (MDW)
Chicago Midway International Airport (MDW) is about 19 kilometres from central Chicago. Once you've disembarked your flight from Porto Airport to Chicago, it'll take you around 21 minutes to reach the heart of the city in a cab or ride-share.
You can expect the trip to take about 46 minutes on public transport.
You'll find some great places to call home for the night near MDW. Kick back and get cozy after your flight from OPO to Chicago at any of these well-located options:
Best time to go to Chicago
August is the most popular month for flights from Porto Airport to Chicago. To skip the crowds, head to Chicago in February when things are quieter.
Lock in your flight from Porto Airport to Chicago for July to experience the city during its warmest month. You can expect temperatures to range from 15ºC to 29ºC.
If you want cooler conditions, lock in a cheap flight from OPO to Chicago in January when temperatures average between -12ºC and 3ºC.
More about Chicago
Start your Chicago trip right by choosing the ideal place to stay. After booking your flight from Porto Airport to Chicago, explore our selection of accommodation options including:
Every great journey has to include a little sightseeing. Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier are attractions you won't want to skip in Chicago.
Complete your Chicago trip with a car rental
Finding you a cheap flight from Porto Airport to Chicago isn't the only trick up our sleeve. Check out our car rentals in Chicago and have more freedom to explore. We find deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.