Book Spirit Airlines flights (NK)

As an ultra-low-cost carrier, Spirit Airlines (abbreviated to NK) offers cheap and cheerful flights across the United States, the Caribbean, and Latin America. Its no-fuss, no-frills approach is popular among travelers looking for budget-friendly trips—and thanks to its partnership with Expedia, you can now enjoy some great deals on Spirit Airlines flights.

Guide to booking Spirit Airlines flights

What it's like to fly with Spirit Airlines

With a modern fleet of Airbus planes, flying with Spirit Airlines is a comfortable experience—made even more convenient by the fact that Spirit Airlines usually provides Wi-Fi onboard (for a fee). Spirit Airlines typically has a range of food and drink offerings including sodas, alcoholic beverages, hot drinks, and an array of snacks available to purchase on your flight.

Destinations Spirit Airlines flies to

Some of Spirit Airlines's busiest routes run from Atlanta to Miami, Newark to Fort Lauderdale and Pittsburgh to Orlando . Beyond that, Spirit Airlines round trips in 2025 can also take you to the beaches of Montego Bay, the magical desert landscape of Phoenix, sun-soaked San Diego, charming Boston, and edgy Portland, Oregon, just to name a few.

Check-in information for Spirit Airlines

Spirit Airlines's online check-in usually opens 24 hours before departure. Bear in mind that if you're traveling with pets or if other special circumstances apply, you may not be able to check in online: Head to the ticket counter at the airport instead when it's your Spirit Airlines check-in time. Don't forget to have your Expedia app or booking itinerary to hand so you've got all the information you need in one place.

Great deals with Spirit Airlines on Expedia

Spirit Airlines's prices can be even lighter on your wallet thanks to Expedia's partner deals. If you're keen to get even more out of your budget, consider booking a one-stop flight rather than a direct trip: Simply use Expedia's search filter to show these great-value options. Don't forget to look at bundling together your flights, accommodation and car rental to tap into some great package offers for your Spirit Airlines booking.

How to find cheap Spirit Airlines flights

Booking your flight with Spirit Airlines via Expedia can make your journey even cheaper: Enter your travel dates to see a selection of great deals available to book right now. With Spirit Airlines tickets currently starting from $49 and great Spirit Airlines deals waiting to be snapped up, now's the time to plan your Spirit Airlines trip with Expedia.

Spirit Airlines reviews

Get a better feel for Spirit Airlines before making your reservation by checking out the reviews. From insight into airplane seat maps to commentary on service, you may be able to find additional helpful info in the reviews on this page.

Spirit Airlines's carry-on baggage allowance

Spirit Airlines passengers can take one small personal item (18 x 14 x 8 inches) with them on most flights free of charge. Additional personal items or larger cabin bags that exceed the Spirit Airlines carry-on dimensions for personal items are subject to a fee—so ensure you check your booking terms for all the details.

Spirit Airlines's checked baggage allowance

Spirit Airlines's check-in baggage allowance usually comes at an extra cost. If you do want to add a check-in bag to your booking, the maximum size generally cannot exceed 40 lb or measure more than 162 linear inches. These limits may vary, so make sure to check the details on your specific booking.

Earning frequent-flier miles with Spirit Airlines when booking on Expedia

If you're a member of Spirit Airlines's Free Spirit program, you can collect points for every flight you take—and that goes for flights booked via Expedia, too. No matter whether you're jetting off from Atlantic City, Memphis, New Orleans, or anywhere else served by Spirit Airlines, you can take advantage of Expedia's great partner deals while racking up Spirit Airlines miles at the same time. You can also sign up to Expedia's One Key program to unlock discounts and earn OneKeyCash to make extra savings on future eligible bookings.

Flexible booking and cancellations for Spirit Airlines flights

Spirit Airlines tickets might be eligible for changes or refunds via Expedia in some circumstances. If you do need to change your booking, head to your Expedia account or get in touch with the friendly customer service team to discuss your options.