| St. Pete-Clearwater International → MC Ghee Tyson PIE–TYS | 520 | 76,820 | 82% | 550 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Asheville Regional PIE–AVL | 504 | 75,814 | 83% | 519 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Gerald R Ford International PIE–GRR | 380 | 61,892 | 90% | 1,044 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Cincinnati/Northern Kentucky International PIE–CVG | 353 | 56,966 | 90% | 776 | Allegiant Air, Delta Air Lines Inc., United Air Lines Inc. | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Key West International PIE–EYW | 312 | 28,648 | 58% | 238 | Allegiant Air, CFM Inc d/b/a Contour..., Tradewind Aviation | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Lehigh Valley International PIE–ABE | 279 | 46,466 | 93% | 970 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Bishop International PIE–FNT | 275 | 43,653 | 88% | 1,040 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Indianapolis International PIE–IND | 228 | 37,557 | 91% | 840 | Allegiant Air, Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Bangor International PIE–BGR | 219 | 31,665 | 79% | 1,394 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Concord PIE–USA | 203 | 31,239 | 87% | 528 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Fort Wayne International PIE–FWA | 190 | 28,897 | 85% | 912 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Des Moines International PIE–DSM | 184 | 29,811 | 89% | 1,126 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Appleton International PIE–ATW | 181 | 29,036 | 87% | 1,173 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Springfield-Branson Ntl PIE–SGF | 181 | 27,827 | 86% | 895 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Tri-State/Milton J Ferguson Field PIE–HTS | 176 | 25,532 | 82% | 721 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Blue Grass PIE–LEX | 173 | 27,025 | 87% | 707 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Scott Afb/Midamerica St. Louis PIE–BLV | 172 | 26,220 | 86% | 841 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Rickenbacker International PIE–LCK | 171 | 27,403 | 90% | 821 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Pittsburgh International PIE–PIT | 166 | 27,580 | 93% | 878 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Harrisburg International PIE–MDT | 163 | 26,680 | 90% | 912 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Syracuse Hancock International PIE–SYR | 163 | 26,006 | 89% | 1,111 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → General Downing - Peoria International PIE–PIA | 157 | 24,670 | 88% | 965 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → The Eastern Iowa PIE–CID | 154 | 24,123 | 86% | 1,090 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → South Bend International PIE–SBN | 151 | 22,230 | 85% | 973 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Albany International PIE–ALB | 135 | 21,295 | 87% | 1,138 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Eugene F Kranz Toledo Express PIE–TOL | 134 | 20,650 | 87% | 945 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Akron-Canton Regional PIE–CAK | 133 | 20,166 | 89% | 899 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Chicago/Rockford International PIE–RFD | 132 | 21,465 | 89% | 1,049 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Greenville Spartanburg International PIE–GSP | 131 | 18,639 | 79% | 482 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Gulfport-Biloxi International PIE–GPT | 124 | 16,115 | 70% | 422 | Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Elmira/Corning Regional PIE–ELM | 123 | 19,133 | 88% | 1,035 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → New York Stewart International PIE–SWF | 122 | 19,898 | 88% | 1,055 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Lovell Field PIE–CHA | 118 | 17,355 | 82% | 513 | Allegiant Air, Sun Country Airlines d/b/a... | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Niagara Falls International PIE–IAG | 116 | 18,715 | 89% | 1,069 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Eppley Airfield PIE–OMA | 115 | 18,517 | 87% | 1,188 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Central IL Rgnl/Bloomington-Normal PIE–BMI | 111 | 17,174 | 90% | 936 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Roanoke/Blacksburg Regional (Woodrum Field) PIE–ROA | 111 | 16,133 | 83% | 668 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Joe Foss Field PIE–FSD | 109 | 17,818 | 88% | 1,334 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Louisville Muhammad Ali International PIE–SDF | 109 | 16,930 | 90% | 729 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Kansas City International PIE–MCI | 108 | 16,763 | 88% | 1,045 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → James M Cox Dayton International PIE–DAY | 106 | 16,462 | 90% | 831 | Allegiant Air, CFM Inc d/b/a Contour... | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → City Of Colorado Springs Municipal PIE–COS | 105 | 16,143 | 86% | 1,472 | Allegiant Air | Feb 2025 – Jul 2026 |
| St. Pete-Clearwater International → Piedmont Triad International PIE–GSO | 105 | 14,731 | 80% | 587 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Hagerstown Rgnl/Richard A Henson Field PIE–HGR | 99 | 15,002 | 86% | 861 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Cherry Capital PIE–TVC | 97 | 14,553 | 83% | 1,172 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Richmond International PIE–RIC | 96 | 13,994 | 82% | 732 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Frederick W Smith Intl/Memphis PIE–MEM | 95 | 13,894 | 83% | 653 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Evansville Regional PIE–EVV | 94 | 14,654 | 88% | 752 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Plattsburgh International PIE–PBG | 91 | 14,488 | 86% | 1,262 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Nashville International PIE–BNA | 88 | 12,328 | 85% | 612 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Quad Cities International PIE–MLI | 85 | 12,694 | 83% | 1,033 | Allegiant Air | Jan 2025 – Jul 2026 |
| St. Pete-Clearwater International → Hector International PIE–FAR | 57 | 8,983 | 85% | 1,519 | Allegiant Air | Jan 2025 – May 2026 |
| St. Pete-Clearwater International → Atlantic City International PIE–ACY | 52 | 7,562 | 85% | 922 | Allegiant Air, Sun Country Airlines d/b/a... | Mar 2025 – Jul 2026 |
| St. Pete-Clearwater International → North Central West Virginia PIE–CKB | 52 | 7,550 | 85% | 798 | Allegiant Air | Feb 2025 – Jul 2026 |
| St. Pete-Clearwater International → Tri-Cities PIE–TRI | 52 | 7,529 | 81% | 590 | Allegiant Air | Feb 2025 – Jul 2026 |
| St. Pete-Clearwater International → Northwest Arkansas Ntl PIE–XNA | 52 | 7,518 | 85% | 892 | Allegiant Air | Feb 2025 – Jul 2026 |
| St. Pete-Clearwater International → Minneapolis-St Paul Intl/Wold-Chamberlain PIE–MSP | 48 | 7,883 | 88% | 1,307 | Sun Country Airlines d/b/a... | Jan 2025 – Apr 2026 |
| St. Pete-Clearwater International → Trenton Mercer PIE–TTN | 45 | 5,647 | 79% | 964 | Allegiant Air | Feb 2026 – Jul 2026 |
| St. Pete-Clearwater International → Huntsville Intl-Carl T Jones Field PIE–HSV | 43 | 3,916 | 53% | 523 | Allegiant Air | Mar 2026 – Jul 2026 |
| St. Pete-Clearwater International → Portsmouth International AT Pease PIE–PSM | 43 | 6,741 | 85% | 1,239 | Allegiant Air | Apr 2025 – Jul 2026 |
| St. Pete-Clearwater International → Wichita Dwight D Eisenhower Ntl PIE–ICT | 31 | 5,092 | 89% | 1,087 | Allegiant Air | May 2025 – Jul 2026 |
| St. Pete-Clearwater International → Bill And Hillary Clinton Ntl/Adams Field PIE–LIT | 25 | 3,467 | 87% | 734 | Allegiant Air | May 2025 – Jul 2026 |
| St. Pete-Clearwater International → Tulsa International PIE–TUL | 24 | 3,759 | 89% | 961 | Allegiant Air | May 2025 – Jul 2026 |
| St. Pete-Clearwater International → Hartsfield/Jackson Atlanta International PIE–ATL | 9 | 0 | 0% | 408 | Delta Air Lines Inc. | Apr 2026 – Jul 2026 |
| St. Pete-Clearwater International → West Palm Beach/Palm Beach PIE–PBI | 5 | 9 | 4% | 180 | Tradewind Aviation, Chartright Air Inc., CFM Inc d/b/a Contour..., Sun Country Airlines d/b/a... | Oct 2025 – Jul 2026 |
| St. Pete-Clearwater International → Miami International PIE–MIA | 4 | 118 | 28% | 207 | Delta Air Lines Inc. | May 2025 – Jun 2026 |
| St. Pete-Clearwater International → Norfolk International PIE–ORF | 4 | 393 | 52% | 726 | Allegiant Air, Sun Country Airlines d/b/a... | Jun 2025 – Mar 2026 |
| St. Pete-Clearwater International → Toronto PIE–YYZ international | 4 | 120 | 77% | 1,100 | Chartright Air Inc., Air Canada | Jan 2025 – May 2026 |
| St. Pete-Clearwater International → Fort Lauderdale/Hollywood International PIE–FLL | 3 | 71 | 20% | 201 | Allegiant Air, Tradewind Aviation | Oct 2025 – Mar 2026 |
| St. Pete-Clearwater International → Washington Dulles International PIE–IAD | 3 | 408 | 73% | 819 | Allegiant Air, Delta Air Lines Inc. | Apr 2026 – Jun 2026 |
| St. Pete-Clearwater International → Witham Field PIE–SUA | 3 | 10 | 42% | 159 | Tradewind Aviation | Aug 2025 – Jan 2026 |
| St. Pete-Clearwater International → London PIE–YXU international | 3 | 6 | 27% | 1,047 | Chartright Air Inc. | Jan 2025 – Feb 2026 |
| St. Pete-Clearwater International → General Edward Lawrence Logan International PIE–BOS | 2 | 116 | 81% | 1,193 | Delta Air Lines Inc. | May 2026 – Jul 2026 |
| St. Pete-Clearwater International → Baltimore/Washington International Thurgood Marshall PIE–BWI | 2 | 328 | 91% | 850 | Allegiant Air | Apr 2025 – Oct 2025 |
| St. Pete-Clearwater International → William P Hobby PIE–HOU | 2 | 71 | 27% | 773 | American Airlines Inc., Delta Air Lines Inc. | May 2026 – Jul 2026 |
| St. Pete-Clearwater International → Long Beach (Daugherty Field) PIE–LGB | 2 | 134 | 44% | 2,136 | Delta Air Lines Inc., United Air Lines Inc. | May 2026 – Jun 2026 |
| St. Pete-Clearwater International → Philadelphia International PIE–PHL | 2 | 13 | 62% | 928 | CFM Inc d/b/a Contour... | Jun 2026 – Jul 2026 |
| St. Pete-Clearwater International → Pisa PIE–PSA international | 2 | 10 | 33% | 5,068 | FAI rent-a-jet AG | Jan 2025 – May 2026 |
| St. Pete-Clearwater International → Southwest Florida International PIE–RSW | 2 | 0 | 0% | 111 | Sun Country Airlines d/b/a... | Apr 2025 – Oct 2025 |
| St. Pete-Clearwater International → Augusta Regional AT Bush Field PIE–AGS | 1 | 0 | 0% | 379 | CFM Inc d/b/a Contour... | May 2026 – May 2026 |
| St. Pete-Clearwater International → Auburn University Regional PIE–AUO | 1 | 0 | 0% | 364 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| St. Pete-Clearwater International → Barcelona PIE–BCN international | 1 | 3 | 20% | 4,730 | FAI rent-a-jet AG | Jul 2026 – Jul 2026 |
| St. Pete-Clearwater International → Boeing Fld/King County International PIE–BFI | 1 | 44 | 61% | 2,518 | Delta Air Lines Inc. | Jul 2026 – Jul 2026 |
| St. Pete-Clearwater International → Bimini PIE–BIM international | 1 | 2 | 25% | 260 | Tradewind Aviation | Jun 2026 – Jun 2026 |
| St. Pete-Clearwater International → London PIE–BQH international | 1 | 2 | 11% | 4,443 | Avcon Jet AG | May 2026 – May 2026 |
| St. Pete-Clearwater International → Cleveland-Hopkins International PIE–CLE | 1 | 67 | 93% | 932 | Delta Air Lines Inc. | Apr 2026 – Apr 2026 |
| St. Pete-Clearwater International → John Glenn Columbus International PIE–CMH | 1 | 2 | 25% | 833 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| St. Pete-Clearwater International → St. Louis Downtown PIE–CPS | 1 | 70 | 97% | 852 | Delta Air Lines Inc. | Jul 2025 – Mar 2026 |
| St. Pete-Clearwater International → Dallas-Fort Worth International PIE–DFW | 1 | 13 | 93% | 922 | Jet Aviation Flight Services, Inc. | Feb 2026 – Feb 2026 |
| St. Pete-Clearwater International → Newark Liberty International PIE–EWR | 1 | 65 | 90% | 1,006 | Delta Air Lines Inc. | May 2026 – May 2026 |
| St. Pete-Clearwater International → Faro PIE–FAO international | 1 | 8 | 57% | 4,300 | VistaJet Limited | Jun 2026 – Jun 2026 |
| St. Pete-Clearwater International → Page Field PIE–FMY | 1 | 0 | 0% | 104 | CFM Inc d/b/a Contour... | May 2026 – May 2026 |
| St. Pete-Clearwater International → Kissimmee Gateway PIE–ISM | 1 | 0 | 0% | 81 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| St. Pete-Clearwater International → Charleston Executive PIE–JZI | 1 | 0 | 0% | 638 | CFM Inc d/b/a Contour... | Jul 2026 – Jul 2026 |
| St. Pete-Clearwater International → Chicago Midway International PIE–MDW | 1 | 62 | 86% | 998 | Delta Air Lines Inc. | Apr 2026 – Apr 2026 |
| St. Pete-Clearwater International → Kansas City Downtown/Wheeler Field PIE–MKC | 1 | 60 | 83% | 1,032 | Delta Air Lines Inc. | Jun 2026 – Jun 2026 |
| St. Pete-Clearwater International → Smyrna PIE–MQY | 1 | 0 | 0% | 602 | CFM Inc d/b/a Contour... | Mar 2026 – Mar 2026 |
| St. Pete-Clearwater International → Marco Island PIE–MRK | 1 | 0 | 0% | 146 | CFM Inc d/b/a Contour... | Mar 2026 – Mar 2026 |
| St. Pete-Clearwater International → Louis Armstrong New Orleans International PIE–MSY | 1 | 163 | 88% | 480 | Sun Country Airlines d/b/a... | Aug 2025 – Aug 2025 |
| St. Pete-Clearwater International → Chicago O'Hare International PIE–ORD | 1 | 80 | 45% | 1,014 | United Air Lines Inc. | Apr 2026 – Apr 2026 |
| St. Pete-Clearwater International → Orlando Executive PIE–ORL | 1 | 3 | 38% | 93 | Tradewind Aviation | Feb 2026 – Feb 2026 |
| St. Pete-Clearwater International → Port of Spain PIE–POS international | 1 | 43 | 23% | 1,828 | Sun Country Airlines d/b/a... | Feb 2026 – Feb 2026 |
| St. Pete-Clearwater International → Savannah/Hilton Head International PIE–SAV | 1 | 115 | 74% | 304 | Allegiant Air | Jan 2025 – Feb 2026 |
| St. Pete-Clearwater International → San Francisco International PIE–SFO | 1 | 69 | 96% | 2,386 | Delta Air Lines Inc. | May 2026 – May 2026 |
| St. Pete-Clearwater International → Sarasota/Bradenton International PIE–SRQ | 1 | 0 | 0% | 36 | Sun Country Airlines d/b/a... | Oct 2025 – Oct 2025 |
| St. Pete-Clearwater International → Santiago PIE–STI international | 1 | 51 | 27% | 963 | Sun Country Airlines d/b/a... | Feb 2026 – Feb 2026 |
| St. Pete-Clearwater International → Tampa International PIE–TPA | 1 | 0 | 0% | 10 | Delta Air Lines Inc. | May 2025 – Aug 2025 |
| St. Pete-Clearwater International → St. Augustine PIE–UST | 1 | 4 | 50% | 163 | Tradewind Aviation | Dec 2025 – Dec 2025 |
| St. Pete-Clearwater International → Eglin Afb/Destin-Ft Walton Beach PIE–VPS | 1 | 120 | 77% | 292 | Allegiant Air | Mar 2025 – Feb 2026 |
| St. Pete-Clearwater International → Vero Beach Regional PIE–VRB | 1 | 0 | 0% | 140 | CFM Inc d/b/a Contour... | Jun 2026 – Jun 2026 |