Book Now! 8 Awesome Flights You Can Get for Under $100 (Until Thursday)

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Southwest Airlines’ bi-annual fare sale is back on, and you’ve got until midnight this Thursday, October 6 (so, technically Friday) to book your next vacation for less money than a typical night out. There are caveats, of course — it's good for nonstop travel between Nov. 30 and Dec. 20 and Jan. 4 and Feb. 15, and Friday and Sunday travel is excluded — but a deal this big is worth taking a workday to fly (a more relaxed experience besides). Here are the best deals of the sale and, so you don't have to worry about planning, the best adventures in each destination right now. All you have to do is book the trip and have a good time.

Atlanta to Chicago

Cost: $49 each way

What to do: The best way to check out Chicago’s famously historic and innovative architecture is by boat on the Riviera. But skip the crowded, slow tourist-trapping ferries and rent a kayak through Urban Kayaks to paddle your way through the Windy City (so you can earn that second slice of deep-dish from Uno’s).

Baltimore to Portland, Maine

Cost: $49 each way

What to do: Spend a day on Casco Bay aboard a local lobster boat with tour operator Lucky Catch for an opportunity to set bait, pull traps, and catch a few crustaceans before heading back to shore for a killer dinner from the raw bar at Eventide Oyster Co. —  located in the coastal city’s Old Port neighborhood.

San Jose to Seattle

Cost: $49 each way

What to do: Jump in the car and make the 1.5-hour drive from SeaTac to Mount Rainier National Park, where hikes like Mount Fremont Lookout and Burroughs Mountain Trail (which leads to the highest point accessible by trail in the park) offer up the best of the Pacific Northwest.

Chicago to New York

Cost: $49 each way

What to do: Now that the camping app Tentrr has made sleeping in the Catskills easier than finding an Airbnb in Manhattan, there is no excuse to not get out and explore the picturesque Northeast woods for a weekend. This site in Lumberland (just a two-hour drive outside of the city) is tucked away on the Delaware River, which is known for its world-class fishing.

Dallas to New Orleans

Cost: $49 each way

What to do: Tours aren’t usually worth the money and time, but when you get to access the deepest nooks and crannies into one of the most pristine swamps in America with a southern-Louisiana native, we can justify it. Honey Island Swamp Tours, founded in 1982 by Dr. Paul Wagner, a wetland ecologist, use small boats to get you up close with the wildlife of the bayou — including alligators, waterfowl, nutria, and turtles.

Denver to Salt Lake City

Cost: $49 each way

What to do: Rent a car and drive to Park City, 30 miles east of Salt Lake City, and hang out in one of the most comprehensive mountain towns in the U.S. You can ski at Deer Valley, Park City, and Canyons resort — or head up to the Olympic Park for a tour of where the U.S. Ski Team trains. In the warmer months you can burn a day on the endless trail systems above the town. Rent a mountain bike at the Silverstar base area of Park City Mountain Resort and take off on the more than 400 miles of trail. For dinner, head to El Chubasco for a gut-busting Mexican meal before visiting Old Town Cellars for a nightcap.

Fort Lauderdale to Nassau, Bahamas

Cost: $49 each way

What to do: Tropical getaways don’t just mean lazing about a beach. There are three national parks on the island of Grand Bahama, and Lucayan National Park is the gem of them. A 40-acre park is spread with mangroves, palm and pine trees, white sand beaches, the impressive Gold Rock Beach, and one of the longest underwater limestone caves in the world. Swim to Gold Rock Beach (which is very secluded) and spend time diving and exploring the caves.

Oakland to Portland, Oregon

Cost: $49 each way

What to do: No matter where you are around Portland, you’ll be surrounded by textbook Pacific Northwest Perfection. Want to check out some of the area’s trademark waterfalls? Hike to Latourell , Wahclella , Punchbowl, or Multnomah Falls to get your fix. End the day with any of the area’s world-class breweries — from Hair of the Dog downtown to pFriem Family Brewers in Hood River.