United does not list a ‘book by’ date, which means these fares can disappear at any time. Check out some of the deals we like best:
- Atlanta – Chicago, from $200* roundtrip
- Boston – Newark, from $144 roundtrip
- Boston – Washington DC, from $170* roundtrip
- Chicago – Orlando, from $200* roundtrip
- Denver – New York, from $216* roundtrip
- Houston – Austin, from $99 roundtrip
- Los Angeles – Denver, $255 roundtrip
- New York/Newark – Tampa, from $230 roundtrip
- San Francisco – Seattle, from $236 roundtrip
- Washington DC – West Palm Beach, from $197 roundtrip
*United actually listed a higher fare but we found it for you, for less.
The cheapest fares are mostly good on Tuesday or Wednesday flights throughout the summer months and into October. Again – these fares may go fast. See United for more or find these cheap flights and others right here on FareCompare.