Currently, January is the cheapest month in which you can book a flight from Sioux City to Johnson City (average of $301). Flying from Sioux City to Johnson City in April is currently the most expensive (average of $372). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
United Airlines | Cheapest$358 | Average$606 | FlexibilityNo cancel fee | On-time69% |