From Frontier, fly nonstop from Minneapolis to Washington DC for $138 round-trip, including all taxes, on Frontier.

We found seats departing MSP on Tuesday, September 2, and returning from IAD on Saturday, September 6.

Other dates are also available for travel from late August through December 10.

For booking info, see our Fare Details.

All products and services mentioned on Airfarewatchdog are independently selected by our team of expert travelers. If you buy something through our links, we may earn an affiliate commission.

More Stories You'll Love