What do you get when you have two airlines duking it out for your business? Flights for under $100 roundtrip! Frontier Airlines and Spirit Airlines have dropped the prices for nonstop flights from Chicago to 15 popular cities like Philadelphia, Atlanta, Los Angeles, New Orleans, Denver, New York City and San Francisco to just $58-$98 roundtrip, including tax, saving you up to $200 on the regular cost.

Book ASAP — some of these fares are part of a sale that ends tonight (Sept. 10) at midnight EST and seats are limited. Although these fares are part of an official Frontier sale, other airlines may match or beat the advertised prices.

Fly.com Fare Calendars:

Nonstop flights from Chicago to (all flights are roundtrip, including tax):

Note:

  • Frontier charges for both checked and carry-on bags. Most scenarios are $25-$30. Also, Frontier Discount Den email subscribers receive discounts on baggage fees and flights, so it’s worth signing up.
  • Spirit charges for both checked and carry-on bags, starting at $21 per bag.
  • For more baggage information click here.

Savings:

  • Save up to $200 on typical roundtrip pricing

Sample Screenshots:

Chicago-Austin: Fly.com Search Results

Chicago-Austin: Fly.com Search Results

Chicago-Austin: Frontier Booking Page

Chicago-Austin: Frontier Booking Page

Chicago-San Francisco: Fly.com Search Results

Chicago-San Francisco: Fly.com Search Results

Chicago-San Francisco: Travelocity Booking Page

Chicago-San Francisco: Travelocity Booking Page

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Featured Image: Golden Gate Bridge from San Francisco Bay (Shutterstock.com)

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Kim has been hunting flight deals and writing travel articles for over 13 years. His articles have appeared in the Boston Herald, Chicago Daily Herald, and Frommer’s Budget Travel, among other publications. Amsterdam, Bangkok, Rome, and Sydney are some of his favorite destinations and he aspires to one day live in Italy. La dolce vita!

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