Various Merchants via Groupon: Airport Parking Deals Up to 50% Off

Available in the following cities:

Atlanta (ATL)
Airport Parking at Park 'N Fly Up to 30% Off
Two, Four, Six, or Ten-Day Indoor Parking Pass at ATL from Peachy Airport Parking (Up to 28% Off)
2, 4, 6, or 10 Consecutive Days of Outdoor Parking at Peachy Airport Parking (Up to 27% Off)
Baltimore (BWI)
ParkWhiz - Baltimore/Washington International Thurgood Marshall Airport Starting From $8
Boston (BOS)
ParkWhiz - Logan International Airport From $15.50 a day
Chicago (ORD)
Marriott Suites - O'Hare From $16
Chicago (MDW)
Three, Five, or Seven-Day Parking Pass for MDW at Park 'N Fly (Up to 15% Off)
Parking Pass for Up to 3, 5, 7, or 10 Days with Shuttle from Parking and Shuttle Services (Up to 20% Off)
Cleveland (CLE)
Up to 30% Off on Airport Parking at Park 'N Fly
Dallas (DFW or DAL)
Red Roof Inn Airport Parking DFW From $6
Parking at Embassy Suites by Hilton DAL From $4
Detroit (DTW)
ParkWhiz - Detroit Metro Airport From $8.99
Ft Lauderdale (FLL)
Rodeway Inn And Suites Airport Parking Up To 30% Off
Houston
Key Airport Parking Up to 31% Off(HOU)
Up to 30% Off on Airport Parking at Park 'N Fly
Los Angeles (LAX)
Embassy Suites LAX South From $19
Parking at ValuePark LAX From $9.47
Parking at Sonesta LAX From $20
Memphis (MEM)
One Three-, Five-, or Seven-Day Open Parking Pass at Travelodge by Wyndham Memphis Airport (Up to 39% Off)
Miami (MIA)
Up to 30% Off on Airport Parking at Park 'N Fly
Embassy Suites Hotel Airport Parking MIA From $12
Minneapolis (MSP)
ParkWhiz - Minneapolis-Saint Paul International Airport From $13.99
Parking at Embassy Suites Hotel Airport Parking From $13.99
Nashville (BNA)
Parking at Embassy Suites Nashville BNA From $12
ParkWhiz - Nashville International Airport- From $10
New Jersey (EWR)
Airport Parking at Park2Go Newark - Self-Park Outdoor (EWR) (Up to 40% Off)
New York (LGA)
ParkWhiz - LaGuardia Airport From $16
Oakland (OAK)
VIP Airport Parking Oakland OAK Lot 2 From $14.95
Orlando (MCO)
Up to Three, Five, or Seven Days of MCO Airport Parking at BMI Smart Parking (Up to 25% Off)
One One-, Three-, or Five-Day Parking Pass at MCO at Best Rate Airport Parking and Car Rental (Up to 36% Off)
Omni Airport Parking - MCO From $4.50
Philadelphia (PHL)
ParkWhiz - Philadelphia International Airport From $10.78
Phoenix (PHX)
$23.85 for Three Days of Uncovered Airport Parking from Sky Harbor Airport Parking
Portland (PDX)
Airport Parking for Up to One, Three, Five, Seven, or Ten Days at AirPark (Up to 16% Off)
Pittsburgh (PIT)
Staybridge Suites Pittsburgh Airport Up To 50% Off
Salt Lake City (SLC)
ParkWhiz - Salt Lake City International Airport $9 a day
Parking at Residence Inn Airport Parking $9 a day
San Diego (SAN)
Parking at San Diego's Park, Shuttle & Fly Lot A From $33.95
San Francisco (SFO)
Parking at Embassy Suites North SFO From $16.98
Seattle (SEA)
United Parking (SeaTac) Up To 40% Off
St. Louis (STL)
Hilton - St. Louis Airport Up To 48% Off
SkyPark Airport Parking Lot STL From $9