April is the end of the shoulder season, with beach season starting in May.
Brad's Deals Editor Jacob,
Book round-trip flights to Barcelona with prices from $409 at Kayak. We found the lowest prices on one-stop TAP Air Portugal flights from Chicago in April. TAP is a budget airline, so please note that baggage costs extra. You can compare prices for cheap flights to Barcelona, then book with the airline. Taxes, fees, and exclusions apply.