Travelers departing from Colorado and Florida are the most likely to find the lowest airfares, according to ARC statistics.
ARC said that based on an examination of average fares for 12 months ending April 30, 2012, Colorado was the least expensive state for a roundtrip domestic flight.
Looking at a six-year period, ARC found that from Jan. 1, 2006 through Dec. 31, 2011, the least expensive airfares were in Florida.
Reviewing data from 119 million tickets originating from the top 150 airports in the continental United States, ARC analysts found that the average domestic roundtrip fare for the 12 months ending April 30 was $207.
Colorado’s average airfare was $171, or 18% below the national average. Florida was the second least expensive at $175 per, and Missouri third at $177.
Airfares in North Dakota were the highest, averaging $270, or 30% above the national average, followed by Wyoming at $264 and New Jersey at $263.
Between 2006 and 2011, the average domestic roundtrip fare was $178. Florida's average was $152, followed by Nevada at $155 and Colorado at $157.
Wyoming was the most expensive with flights averaging $227, followed by North Dakota at $226 and South Dakota at $220.
ARC ansysts found that looking at the long-term study, states with fares lower than the national average connected the East and West Coasts, and states with higher-than-average fares were concentrated in the Upper Midwest/Plains, the South and the Northeast.
Follow Johanna Jainchill on Twitter @jjainchilltw.