Southwest Airlines flights for $46, plus the week's best travel deals

Southwest Airlines is offering super cheap airfare with flights on 100 routes nationwide. Check out Southwest Airline's one-way airfare sale, plus four more of the week's best travel deals. 

With just two weeks to go before the hour "springs" forward and the winter is officially over, it's a great time to book a spring vacation. Book a getaway with our best travel deals of the week!

Disney World Flight & Hotel Package
Vendor: Southwest Vacations
Discount: 30% off
Lowest By: $500
Expires: March 28

Is It Worth It?: Grab the kids and take advantage of this rare discount. This is only the second such discount we've seen for Walt Disney World Resorts flights and hotel packages. Stay at top rated family resorts like Disney's Animal Kingdom Lodge, Disney's Wilderness Lodge, and Disney's Yacht Club Resort.

Some exclusions and blackout dates apply. Book this travel deal by March 28 for travel from February 22 through June 15.

Southwest 1-Way Airfare Sale
Vendor: DealBase
Price: From $45.60
Lowest By: $75
Expires: February 26

Is It Worth It?: If you're planning on booking a domestic flight, make sure you check out our Editor's Choice deal from Southwest. With flights on 100 routes nationwide, this sale has all-time low fares from just $46 1-way. Book flights to Nashville, New Orleans, Sacramento, and more.

This price is valid on flights departing from Ontario, CA, (ONT) with arrival in Sacramento, CA, (SMF) on March 14. Book this travel deal by February 26 for travel from March 3 through June 3.

2-Nights in The Posh Boutique Hotel in the Blue Mountains, NC
Vendor: Groupon Getaways
Price: From $238
Lowest By: $112
Expires: March 2

Is It Worth It?: Get away from it all with this Blue Mountain retreat in the slightly over-named Posh Boutique Hotel. This hotel is right next to the 250-room chateau-style Biltmore Estate, which is the largest privately owned house in the U.S. with 178,926 square feet. The adjacent Biltmore Village is filled with high-end art galleries and boutiques.

Book this travel deal by April 10 for stays Sunday through Wednesday through July 31.

Norwegian Cruise Line Bonus Extras Sale
Vendor: Travelzoo
Discount: Up to $300 credit with extras
Expires: February 28

Is It Worth It?: Norwegian Cruise Line is offering an array of bonuses on cruises when you book by February 28. Bag $25 to $300 onboard credit on a cruise for two. Plus, get between 50% and 100% off third and fourth guest bookings. If you're willing to splurge on an Oceanview Room or higher category, you can choose between an Unlimited Dining Package or a Unlimited Drinks Package for free. And if you're really going all-out, book a Haven or Suite Room and receive all four of the bonus extras mentioned above.

Book this travel deal by February 28.

14-Hour Grand Canyon South Rim VIP Tour
Vendor: DestinationCoupons
Price: $159 via this printable coupon
Lowest By: $40
Expires: December 31

Is It Worth It?: Turn your vacations into a memorable experience with this tour of one of the top U.S. tourist attractions. This 14-hour tour begins with hotel pickup in a luxury mini coach. The tour has ample photo opportunities, including stops at the Hoover Dam, the Route 66 Train Museum, Mather Point, Yavapai Point, and Bright Angel Point. Plus you'll get lunch and as much water as you need (it can get up to 100 degrees F in the summer, so you'll need to hydrate!)

Select "Click here for coupons" to see the coupon. Reservations are required; the coupon must be printed and presented at the start of your tour.

Paula Kerrigan is a travel editor for DealNews, where this article first appeared.