Frontier Airlines has been busy adding new routes for 2019. Earlier this month, 22 new routes were announced, including new Boston (BOS) service. Last week, Frontier announced new flights for Branson (BKG), Cleveland (CLE), and Chicago (ORD). And just yesterday, new flights were announced to/from Denver (DEN), including new Frontier cities in Green Bay (GRB) and Mobile (BFM), and returning service to Billings (BIL). Intro fares are as low as $73 roundtrip.

New Frontier Airlines Service for Branson, Cleveland, Green Bay, Mobile, Billings, and More

In a press release, Senior Vice President Daniel Shurz stated, "With this announcement, Frontier has now announced 44 new routes for 2019 all across the USA." This also includes new service starting this spring that was announced last year.

This announcement sees Frontier returning to its typical strategy of introducing nonstop flights in underserved markets. In Mobile, Frontier made an interesting choice to fly to/from Mobile Downtown Airport (BFM) instead of Mobile Regional Airport (MOB), where all other major airlines fly. The downtown airport is only 3 miles from the central business district and Frontier's flights to/from Chicago (ORD) and Denver (DEN) will be the first major commercial service for the small airport.

These newly announced routes begin service in either late April or May and are operated on select days each week. I've included which days of the week Frontier will fly each route. Routes to/from Denver have intro fares for travel on Tuesdays, Wednesdays, and Saturdays, depending on days of service, through mid-June, and are advertised to expire tonight, January 23, 2019.

Fares to/from Branson (BKG), Cleveland (CLE), and Nashville (BNA) that were announced last week have unadvertised low fares that may be available for travel through summer.

New nonstop service on Frontier Airlines Starting in April

Daily service starting April 30.

Denver to Boston $157 roundtrip

Sundays / Tuesdays / Thursdays, starting April 30.

Cleveland to San Francisco $177 roundtrip

Chicago to Nashville $87 roundtrip

New nonstop service on Frontier Airlines Starting in May

Mondays / Wednesdays / Fridays, starting May 1.

Denver to Burlington $157 roundtrip

Mondays / Wednesdays / Saturdays, starting May 1.

Denver to Mobile $113 roundtrip

Wednesdays / Saturdays, starting May 1.

Mobile to Chicago $73 roundtrip

Dallas to Branson $67 roundtrip

Chicago to Branson $67 roundtrip

Sundays / Thursdays, starting May 2.

Cleveland to Charleston $87 roundtrip

Sundays, Tuesdays, Thursdays, starting May 23.

Green Bay to Denver $97 roundtrip

Sundays, Tuesdays, Thursdays, starting May 30.

Denver to Billings $76 roundtrip

These fares all work in reverse as well. Keep in mind that Frontier charges extra for any bags larger than a personal item (small backpack, briefcase, large purse, etc.). Pack super light to get the lowest price. Checked bag fees start at $25-$30 each way. Larger carry-on bag fees start at $30-$35 each way.

A few of these routes had been served by Frontier in the past, but most are brand new nonstop flights. The flights to/from Denver should also allow for some low-cost connections to/from cities on the west coast. Sign up for fare alerts to find out about promo code sales and super low flash fares.

If you are unfamiliar with Frontier Airlines and how the airline differs from other carriers, make sure to read Everything You Need to Know Before You Fly Frontier.

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