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Seats Frog guide

Frontier Airlines vs Allegiant Air route maps

Frontier Airlines flies 442 nonstop routes and Allegiant Air flies 549 nonstop routes. Both fly 10 routes, such as AUS–LAS, CVG–DEN, and CVG–FLL. 432 routes only on Frontier Airlines, 539 routes only on Allegiant Air; both serve 42 airports. Routes checked October 27, 2026.

Routes both fly
10
Only F9
432
Only G4
539
Airports both serve
42
Routes to show on the map

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Routes both fly · 10

Route sources (including Wikipedia fallback): Frontier Airlines ↗ (checked Oct 27, 2026), Frontier Airlines ↗ (checked Oct 27, 2026), Frontier Airlines ↗ (checked Oct 27, 2026), Frontier Airlines ↗ (checked Oct 27, 2026) and 131 more.

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Only Frontier Airlines · 432

From Denver DEN · 60

From Orlando MCO · 56

From Las Vegas LAS · 33

From Philadelphia PHL · 23

From Atlanta ATL · 48

From Chicago MDW · 7

From Chicago ORD · 18

From Cincinnati CVG · 8

From Cleveland CLE · 14

From Dallas DFW · 29

From Miami MIA · 17

From Phoenix PHX · 23

From San Juan, Puerto Rico SJU · 13

From Tampa TPA · 18

From Ewing Township TTN · 3

From Houston IAH · 12

From Detroit DTW · 7

From Raleigh RDU · 5

From Cancún CUN · 3

From Baltimore BWI · 3

From Los Angeles LAX · 6

From Fort Myers RSW · 5

From Fort Lauderdale FLL · 3

From Charlotte CLT · 2

From Salt Lake City SLC · 6

From San Francisco SFO · 3

From St. Louis STL · 2

From Washington IAD · 1

From Austin AUS · 1

From Seattle SEA · 1

From Islip ISP · 2

Only Allegiant Air · 539

From Las Vegas LAS · 46

From Orlando SFB · 67

From Mesa AZA · 41

From Pinellas Park PIE · 62

From Fort Lauderdale FLL · 40

From Punta Gorda PGD · 39

From Sarasota/Bradenton SRQ · 37

From Valparaiso VPS · 33

From Nashville BNA · 24

From Myrtle Beach MYR · 22

From Knoxville/Maryville TYS · 15

From Des Moines DSM · 12

From Cincinnati CVG · 12

From Grand Rapids GRR · 9

From Asheville AVL · 11

From Appleton ATW · 8

From Pittsburgh PIT · 7

From Santa Ana SNA · 9

From Indianapolis IND · 8

From Gulf Shores GUF · 8

From Savannah SAV · 5

From Jacksonville JAX · 5

From Allentown/Bethlehem ABE · 4

From Flint FNT · 1

From Portland PDX · 3

From Columbus LCK · 2

From Louisville SDF · 1

From Provo PVU · 3

From Austin AUS · 1

From Peoria PIA · 1

From Bellingham BLI · 2

From Phoenix PHX · 1

Airports both serve · 42

Quick answers

Do Frontier Airlines and Allegiant Air fly the same routes?

Yes, 10 routes: Austin (AUS) to Las Vegas (LAS), Cincinnati (CVG) to Denver (DEN), Cincinnati (CVG) to Fort Lauderdale (FLL), Cincinnati (CVG) to Las Vegas (LAS), Denver (DEN) to Knoxville/Maryville (TYS), Fort Lauderdale (FLL) to Indianapolis (IND), Indianapolis (IND) to Las Vegas (LAS), Las Vegas (LAS) to Memphis (MEM), Las Vegas (LAS) to Oklahoma City (OKC), and West Palm Beach (DJT) to Cincinnati (CVG).

Which has more routes, Frontier Airlines or Allegiant Air?

Allegiant Air, with 549 nonstop routes to 125 airports, against 442 routes to 96 airports for Frontier Airlines.

Which airports do both Frontier Airlines and Allegiant Air fly to?

Austin (AUS), Boise (BOI), Boston (BOS), Burbank (BUR), Cedar Rapids (CID), Chicago (MDW), Cincinnati (CVG), Denver (DEN), Des Moines (DSM), Ewing Township (TTN), Fargo (FAR), Fayetteville/Springdale/Rogers (XNA), Fort Lauderdale (FLL), Fort Myers (RSW), and Grand Rapids (GRR), and 27 more.

Which routes does only Frontier Airlines fly?

432 routes, including Atlanta (ATL) to Austin (AUS), Atlanta (ATL) to Windsor Locks (BDL), Atlanta (ATL) to Boston (BOS), Atlanta (ATL) to Buffalo (BUF), Atlanta (ATL) to Baltimore (BWI), and Atlanta (ATL) to Cleveland (CLE), and 426 more.

Which routes does only Allegiant Air fly?

539 routes, including Allentown/Bethlehem (ABE) to Nashville (BNA), Allentown/Bethlehem (ABE) to Denver (DEN), Allentown/Bethlehem (ABE) to Fort Lauderdale (FLL), Allentown/Bethlehem (ABE) to Orlando (MCO), Allentown/Bethlehem (ABE) to Melbourne (MLB), and Allentown/Bethlehem (ABE) to Myrtle Beach (MYR), and 533 more.

What is the longest route both Frontier Airlines and Allegiant Air fly?

Cincinnati (CVG) to Las Vegas (LAS), about 1,674 miles great-circle.

Where do these route maps come from?

Each airline's own route map, timetable and newsroom pages, with Wikipedia used only where an airline publishes none. Every source is linked under the map; the newest was checked October 27, 2026.

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