Cheap Flights from Chicago O'Hare International to Porto (ORD - OPO)
Top last minute flight dealsFeeling spontaneous? It’s never too late to book a trip. Here’s our pick of the best last minute flights to Porto...
- Tue 12 NovORDOPOTue 19 NovOPOORDSpirit Airlines + Vueling AirlinesIndirectfrom £438
- Mon 18 NovORDOPOMon 25 NovOPOORDTAPIndirectfrom £454
- Tue 19 NovORDOPOTue 26 NovOPOORDFrontier Airlines + RyanairIndirectfrom £465
Flight information Chicago O'Hare International to Porto
Cheapest return price last month
Average flight time, total distance 3938 miles
Most popular airline last month
Frequently asked questions
Compare flights from Chicago to Porto and find cheap tickets with Skyscanner
Skyscanner is a fast and simple travel search engine that compares hundreds of flights from all major airlines and travel agents, finding you the best deal on cheap plane tickets to Porto from Chicago.
Best of all, Skyscanner is free to use!
When is the best time to book from Chicago to Porto?
- Make sure you’re getting the best price for your flight tickets. Find the best time to book from Chicago to Porto by checking our best time to book tool.
- Track the price of your plane tickets to Porto by signing up to Skyscanner Price Alerts.
- If you’re flexible on when to travel, use Skyscanner’s 'whole month' search tool to find the cheapest day to travel.
- Looking for last minute flights? Learn how to find last minute deals for your trip to Porto.
Useful information before booking your travel from Chicago to Porto
Check the travel information panel above to get exact information about:
- Distance from Chicago to Porto
- Flight time to Chicago from Porto
- Which airlines provide the cheapest tickets from Chicago to Porto
- Which airlines fly direct to Porto from Chicago.
Know your cabin luggage size and weight restrictions thanks to our guide to hand baggage.
Track your flight status by checking arrival and departure times from Chicago to Porto
- Stay up to date with information regarding your flight by checking our arrivals and departure boards.
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Book a hotel or car hire for your stay in Porto
Need to book a hotel or car hire for your stay in Porto? For the best hotel & car hire deals in Porto, why not try Skyscanner?
Prices shown on this page are estimated lowest prices only. Found in the last 45 days.