Spring isn't officially over until all the best airfare deals have been scooped up. That means you can look forward to some sweet savings now that you've devoured everything in your Easter basket. Several airlines in the United States and Europe are running flash sales that offer steeply discounted airfare rates from now until the end of spring.

You can get to great cities and resort areas around the world if you act quickly to snag these deals before they melt away once the summer heat kicks in. Are you ready to hop over to a fun destination now that Easter is done and the weather is warmer? Here's a look at how you can book your airfare for just a few jelly beans.

Fly Across The Country For Less With JetBlue

Every season of the year is a time for savings when you fly with JetBlue. However, the deals being offered by the budget airline this spring really take the cake. JetBlue is offering some incredibly special rates this spring that can get you across the country from New York to Los Angeles for just $115. Lucky travelers can get to sunny, warm Grenada for just $136. You can even head to spots like Daytona Beach for under $100.

See The Caribbean With United Airlines

United has you covered if you're in the mood for a last-minute trip to a tropical island. The airline is shaving $300 off your ticket to St. Kitts if you book your flight by May 27. The discount is available to those willing to fly using the airline's Saturday nonstop service from New York or Newark. Also, remember to key in the promo code SKB300 when you are reserving your ticket.

See Europe On A Dime With Ryanair

You definitely need to keep an eye on the flash sales Ryanair is offering this spring if you're in the mood to head to Europe. The airline is making waves throughout April and May by offering one-way fares to major European cities upwards of $6.24. There are also fares to spots like Barcelona, London, Rome and Krakow available for just $30, depending on where you fly from.

Create A Perfect Package With Delta

Delta is rolling out a special discount on vacation packages to Mexico, the Caribbean and Central America that makes it easy to book your fight and hotel room at the same time. Travelers can save $100 when they book packages with airfare and hotels that last five nights or longer. In addition, guests get to save up to 54 percent off the cost of rooms at select properties. This flash deal only gives you until April 21 to book your trip.

Spread Your Wings Over Europe With Monarch Airlines

You can spread your wings and fly to some amazing destinations with help from Monarch Airlines this spring. The airline is offering one-way flights between the United Kingdom, Barcelona, Venice, Stockholm and Lisbon for just $36. This is a great airline to book flights with if you plan to jump from city to city once you land in Europe for a getaway.