Skip to main content
Beginning of main content

Cheap Flights from Porto to Baltimore $655.46

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia’s Price Guarantee
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from Porto to Baltimore (OPO to BWI)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Porto to Baltimore (OPO to BWI)

Question : Should you take that vacation to Baltimore in the next 30 days?
Answer : As of Feb 27th, the best day for deals to Baltimore (BWI) is Mar 11th. It costs $2,300, which is 14% below this route's average price.

Question : Do prices fluctuate more for this route than others?
Answer : Ranging from $1,034 to $2,882, prices for OPO to BWI do fluctuate more than most routes from Portugal. Remember, you can save by booking further in advance.

Question : How long do most people visit Baltimore?
Answer : Of course you're not most people, but if you were, you'd stay roughly nine days.

Question : Can you cut down on flight costs by changing the day of the week you travel to Baltimore?
Answer : The lowest-cost day to fly in March is Saturday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.