United Airlines flight deals - Book cheap flights

January 12, 2026

Seattle to Vienna, Austria for only $414 roundtrip

Cheap flights from Seattle to Vienna, Austria for only $414 roundtrip with United Airlines and Austrian Airlines.

January 9, 2026

Las Vegas to European cities from only $421 roundtrip

Cheap flights from Las Vegas to European cities from only $421 roundtrip with United Airlines and Lufthansa.

January 8, 2026

Dallas, Texas to Fairbanks, Alaska for only $294 roundtrip

Cheap flights from Dallas, Texas to Fairbanks, Alaska for only $294 roundtrip with United Airlines.

January 7, 2026

Portland, Oregon to Milan, Italy for only $420 roundtrip

Cheap flights from Portland, Oregon to Milan, Italy for only $420 roundtrip with Air Canada and United Airlines.

January 7, 2026

Philadelphia to Kahului, Hawaii (& vice versa) for only $452 roundtrip

Cheap flights from Philadelphia to Kahului, Hawaii for only $452 roundtrip with United Airlines. Also works in reverse.

January 4, 2026

San Juan, Puerto Rico to Geneva, Switzerland for only $449 USD roundtrip

Cheap flights from San Juan, Puerto Rico to Geneva, Switzerland for only $449 USD roundtrip with United Airlines.

January 4, 2026

Boston to Brussels, Belgium for only $338 roundtrip

Cheap flights from Boston to Brussels, Belgium for only $338 roundtrip with United Airlines.

January 3, 2026

Dallas, Texas to Delhi, India for only $647 roundtrip

Cheap flights from Dallas, Texas to Delhi, India for only $647 roundtrip with United Airlines.

January 1, 2026

Los Angeles to Porto, Portugal for only $433 roundtrip

Cheap flights from Los Angeles to Porto, Portugal for only $433 roundtrip with United Airlines and Lufthansa.