| Lehigh Valley International (ABE) | Allentown | PA | Plymouth Municipal to Lehigh Valley International |
| Nantucket Memorial (ACK) | Nantucket | MA | Plymouth Municipal to Nantucket Memorial |
| Atlantic City International (ACY) | Atlantic City | NJ | Plymouth Municipal to Atlantic City International |
| Jaffrey Silver Ranch (AFN) | Jaffrey | NH | Plymouth Municipal to Jaffrey Silver Ranch |
| Albany International (ALB) | Albany | NY | Plymouth Municipal to Albany International |
| Lee (ANP) | Annapolis | MD | Plymouth Municipal to Lee |
| Watertown International (ART) | Watertown | NY | Plymouth Municipal to Watertown International |
| Nashua-Boire Field (ASH) | Nashua | NH | Plymouth Municipal to Nashua-Boire Field |
| Augusta State (AUG) | Augusta | ME | Plymouth Municipal to Augusta State |
| Wilkes-Barre/Scranton International (AVP) | Scranton | PA | Plymouth Municipal to Wilkes-Barre/Scranton International |
| Barnes Municipal (BAF) | Westfield | MA | Plymouth Municipal to Barnes Municipal |
| Wings Field (BBX) | Philadelphia | PA | Plymouth Municipal to Wings Field |
| Bradley International (BDL) | Windsor Locks | CT | Plymouth Municipal to Bradley International |
| Igor I Sikorsky Memorial (BDR) | Bridgeport | CT | Plymouth Municipal to Igor I Sikorsky Memorial |
| Laurence G Hanscom Field (BED) | Bedford | MA | Plymouth Municipal to Laurence G Hanscom Field |
| Greater Binghamton Edwin A Link Field (BGM) | Binghamton | NY | Plymouth Municipal to Greater Binghamton Edwin A Link Field |
| Bangor International (BGR) | Bangor | ME | Plymouth Municipal to Bangor International |
| Hancock County-Bar Harbor (BHB) | Bar Harbor | ME | Plymouth Municipal to Hancock County-Bar Harbor |
| Block Island State (BID) | Block Island | RI | Plymouth Municipal to Block Island State |
| Monmouth Executive (BLM) | Belmar | NJ | Plymouth Municipal to Monmouth Executive |
| Berlin Regional (BML) | Berlin | NH | Plymouth Municipal to Berlin Regional |
| Burlington International (BTV) | Burlington | VT | Plymouth Municipal to Burlington International |
| Beverly Regional (BVY) | Beverly | MA | Plymouth Municipal to Beverly Regional |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | Plymouth Municipal to Baltimore/Washington Intl Thurgood Marshall |
| Caribou Municipal (CAR) | Caribou | ME | Plymouth Municipal to Caribou Municipal |
| Essex County (CDW) | Caldwell | NJ | Plymouth Municipal to Essex County |
| Juniper (CE3) | Juniper | NB | Plymouth Municipal to Juniper |
| Westover Arb/Westover Metropolitan (CEF) | Chicopee | MA | Plymouth Municipal to Westover Arb/Westover Metropolitan |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | Plymouth Municipal to Cambridge-Dorchester Regional |
| College Park Airport (CGS) | College Park | MD | Plymouth Municipal to College Park Airport |
| Claremont Municipal (CNH) | Claremont | NH | Plymouth Municipal to Claremont Municipal |
| Concord Municipal (CON) | Concord | NH | Plymouth Municipal to Concord Municipal |
| Florenceville (CR3) | Florenceville | NB | Plymouth Municipal to Florenceville |
| St Stephen (Giddens Memorial) (CS3) | St Stephen | NB | Plymouth Municipal to St Stephen (Giddens Memorial) |
| Chipman (CS4) | Chipman | NB | Plymouth Municipal to Chipman |
| Chester County G O Carlson (CTH) | Coatesville | PA | Plymouth Municipal to Chester County G O Carlson |
| Cortland County-Chase Field (CTX) | Cortland | NY | Plymouth Municipal to Cortland County-Chase Field |
| Kings County Municipal (CW3) | Waterville | NS | Plymouth Municipal to Kings County Municipal |
| Clearwater (DJ4) | Clearwater | NB | Plymouth Municipal to Clearwater |
| Dover AFB (DOV) | Dover | DE | Plymouth Municipal to Dover AFB |
| Dansville Municipal (DSV) | Dansville | NY | Plymouth Municipal to Dansville Municipal |
| Danbury Municipal (DXR) | Danbury | CT | Plymouth Municipal to Danbury Municipal |
| Doylestown (DYL) | Doylestown | PA | Plymouth Municipal to Doylestown |
| Dilliant-Hopkins (EEN) | Keene | NH | Plymouth Municipal to Dilliant-Hopkins |
| Northeast Kingdom International (EFK) | Newport | VT | Plymouth Municipal to Northeast Kingdom International |
| Elmira/Corning Regional (ELM) | Elmira | NY | Plymouth Municipal to Elmira/Corning Regional |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | Plymouth Municipal to Wellsville Municipal/Tarantine Field |
| Easton/Newnam Field (ESN) | Easton | MD | Plymouth Municipal to Easton/Newnam Field |
| Stroudsburg-Pocono (ESP) | East Stroudsburg | PA | Plymouth Municipal to Stroudsburg-Pocono |
| Newark Liberty International (EWR) | Newark | NJ | Plymouth Municipal to Newark Liberty International |
| Frederick Municipal (FDK) | Frederick | MD | Plymouth Municipal to Frederick Municipal |
| Elizabeth Field Airport (FID) | Fishers Island | NY | Plymouth Municipal to Elizabeth Field Airport |
| Fort Meade (Odenton) Tipton (FME) | Fort Meade Odenton | MD | Plymouth Municipal to Fort Meade (Odenton) Tipton |
| Francis S Gabreski (FOK) | Westhampton Beach | NY | Plymouth Municipal to Francis S Gabreski |
| Republic Long Island (FRG) | Farmingdale | NY | Plymouth Municipal to Republic Long Island |
| Eastern Slopes Regional (FRY) | Fryeburg | ME | Plymouth Municipal to Eastern Slopes Regional |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | Plymouth Municipal to Montgomery County Airpark |
| Gardner Municipal (GDM) | Gardner | MA | Plymouth Municipal to Gardner Municipal |
| Delaware Coastal (GED) | Georgetown | DE | Plymouth Municipal to Delaware Coastal |
| Floyd Bennett Memorial (GFL) | Glens Falls | NY | Plymouth Municipal to Floyd Bennett Memorial |
| Groton New London (GON) | Groton New London | CT | Plymouth Municipal to Groton New London |
| Gettysburg Regional (GTY) | Gettysburg | PA | Plymouth Municipal to Gettysburg Regional |
| Capital City Harrisburg (HAR) | Harrisburg | PA | Plymouth Municipal to Capital City Harrisburg |
| Columbia County (HCC) | Hudson | NY | Plymouth Municipal to Columbia County |
| Hartford/Brainard (HFD) | Hartford | CT | Plymouth Municipal to Hartford/Brainard |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | Plymouth Municipal to Richard A Henson Field/Hagerstown Regional |
| Mount Washington Regional (HIE) | Whitefield | NH | Plymouth Municipal to Mount Washington Regional |
| Westchester County (HPN) | White Plains | NY | Plymouth Municipal to Westchester County |
| East Hampton (HTO) | East Hampton | NY | Plymouth Municipal to East Hampton |
| Houlton International (HUL) | Houlton | ME | Plymouth Municipal to Houlton International |
| Tweed/New Haven (HVN) | New Haven | CT | Plymouth Municipal to Tweed/New Haven |
| Hazleton Regional (HZL) | Hazleton | PA | Plymouth Municipal to Hazleton Regional |
| Wilmington/New Castle (ILG) | Wilmington | DE | Plymouth Municipal to Wilmington/New Castle |
| Williamsport Regional (IPT) | Williamsport | PA | Plymouth Municipal to Williamsport Regional |
| Long Island Macarthur (ISP) | Islip | NY | Plymouth Municipal to Long Island Macarthur |
| Wiscasset (ISS) | Wiscasset | ME | Plymouth Municipal to Wiscasset |
| Ithaca Tompkins Regional (ITH) | Ithaca | NY | Plymouth Municipal to Ithaca Tompkins Regional |
| New York/John F Kennedy International (JFK) | New York | NY | Plymouth Municipal to New York/John F Kennedy International |
| Central Jersey Regional (JVI) | Manville | NJ | Plymouth Municipal to Central Jersey Regional |
| Laconia Municipal (LCI) | Laconia | NH | Plymouth Municipal to Laconia Municipal |
| Linden (LDJ) | Linden | NJ | Plymouth Municipal to Linden |
| Lebanon Municipal (LEB) | Lebanon | NH | Plymouth Municipal to Lebanon Municipal |
| Auburn/Lewiston Municipal (LEW) | Auburn/Lewiston | ME | Plymouth Municipal to Auburn/Lewiston Municipal |
| La Guardia (LGA) | New York | NY | Plymouth Municipal to La Guardia |
| William T. Piper Memorial (LHV) | Lock Haven | PA | Plymouth Municipal to William T. Piper Memorial |
| Lake Placid (LKP) | Lake Placid | NY | Plymouth Municipal to Lake Placid |
| Caledonia County (LLX) | Lyndonville | VT | Plymouth Municipal to Caledonia County |
| South Jersey Regional (LLY) | Mount Holly | NJ | Plymouth Municipal to South Jersey Regional |
| Lancaster (LNS) | Lancaster | PA | Plymouth Municipal to Lancaster |
| St. Mary's County Regional (LTW) | Leonardtown | MD | Plymouth Municipal to St. Mary's County Regional |
| Lawrence Municipal (LWM) | Lawrence | MA | Plymouth Municipal to Lawrence Municipal |
| Harrisburg International (MDT) | Harrisburg | PA | Plymouth Municipal to Harrisburg International |
| Accomack County (MFV) | Melfa | VA | Plymouth Municipal to Accomack County |
| Orange County (MGJ) | Montgomery | NY | Plymouth Municipal to Orange County |
| Manchester (MHT) | Manchester | NH | Plymouth Municipal to Manchester |
| Millville Municipal (MIV) | Millville | NJ | Plymouth Municipal to Millville Municipal |
| Ocean County (MJX) | Toms River | NJ | Plymouth Municipal to Ocean County |
| Millinocket Municipal (MLT) | Millinocket | ME | Plymouth Municipal to Millinocket Municipal |
| Minute Man Air Field (MMN) | Stow | MA | Plymouth Municipal to Minute Man Air Field |
| Morristown Municipal (MMU) | Morristown | NJ | Plymouth Municipal to Morristown Municipal |
| Pocono Mountains Municipal (MPO) | Mount Pocono | PA | Plymouth Municipal to Pocono Mountains Municipal |
| Edward F Knapp State (MPV) | Barre-Montpelier | VT | Plymouth Municipal to Edward F Knapp State |
| Massena International/Richards Field (MSS) | Massena | NY | Plymouth Municipal to Massena International/Richards Field |
| Sullivan County International (MSV) | Monticello | NY | Plymouth Municipal to Sullivan County International |
| Martin State (MTN) | Baltimore | MD | Plymouth Municipal to Martin State |
| Montauk (MTP) | Montauk | NY | Plymouth Municipal to Montauk |
| Morrisville-Stowe State (MVL) | Morrisville | VT | Plymouth Municipal to Morrisville-Stowe State |
| Brunswick Executive (NHZ) | Brunswick | ME | Plymouth Municipal to Brunswick Executive |
| Arnprior Municipal (NP3) | Arnprior | ON | Plymouth Municipal to Arnprior Municipal |
| Parlin Field (NWH) | Newport | NH | Plymouth Municipal to Parlin Field |
| Ocean City Municipal (OCE) | Ocean City | MD | Plymouth Municipal to Ocean City Municipal |
| Ogdensburg International (OGS) | Ogdensburg | NY | Plymouth Municipal to Ogdensburg International |
| Lt Warren Eaton (OIC) | Norwich | NY | Plymouth Municipal to Lt Warren Eaton |
| Dewitt Field/Old Town Municipal (OLD) | Old Town | ME | Plymouth Municipal to Dewitt Field/Old Town Municipal |
| Cattaraugus County-Olean Municipal (OLE) | Olean | NY | Plymouth Municipal to Cattaraugus County-Olean Municipal |
| Oneonta Municipal (ONH) | Oneonta | NY | Plymouth Municipal to Oneonta Municipal |
| Worcester Regional (ORH) | Worcester | MA | Plymouth Municipal to Worcester Regional |
| Central Maine Regional Norridgewock (OWK) | Norridgewock | ME | Plymouth Municipal to Central Maine Regional Norridgewock |
| Waterbury/Oxford (OXC) | Oxford | CT | Plymouth Municipal to Waterbury/Oxford |
| Plattsburgh International (PBG) | Plattsburgh | NY | Plymouth Municipal to Plattsburgh International |
| Princeton (PCT) | Princeton | NJ | Plymouth Municipal to Princeton |
| Philadelphia International (PHL) | Philadelphia | PA | Plymouth Municipal to Philadelphia International |
| Northeast Philadelphia (PNE) | Philadelphia | PA | Plymouth Municipal to Northeast Philadelphia |
| Princeton Municipal (PNN) | Princeton | ME | Plymouth Municipal to Princeton Municipal |
| Hudson Valley Regional (POU) | Poughkeepsie | NY | Plymouth Municipal to Hudson Valley Regional |
| Northern Maine Regional (PQI) | Presque Isle | ME | Plymouth Municipal to Northern Maine Regional |
| Mid-State (PSB) | Philipsburg | PA | Plymouth Municipal to Mid-State |
| Pittsfield Municipal (PSF) | Pittsfield | MA | Plymouth Municipal to Pittsfield Municipal |
| Portsmouth International at Pease (PSM) | Portsmouth | NH | Plymouth Municipal to Portsmouth International at Pease |
| Heritage Field (PTW) | Pottstown | PA | Plymouth Municipal to Heritage Field |
| Tyendinaga/Mohawk (PU6) | Tyendinaga | ON | Plymouth Municipal to Tyendinaga/Mohawk |
| Portland International Jetport (PWM) | Portland | ME | Plymouth Municipal to Portland International Jetport |
| Reading Regional/Carl A Spaatz Field (RDG) | Reading | PA | Plymouth Municipal to Reading Regional/Carl A Spaatz Field |
| Mifflin County (RED) | Reedsville | PA | Plymouth Municipal to Mifflin County |
| Knox County Regional (RKD) | Rockland | ME | Plymouth Municipal to Knox County Regional |
| Griffiss International (RME) | Rome | NY | Plymouth Municipal to Griffiss International |
| Greater Rochester International (ROC) | Rochester | NY | Plymouth Municipal to Greater Rochester International |
| Rutland Southern Vermont Regional (RUT) | Rutland | VT | Plymouth Municipal to Rutland Southern Vermont Regional |
| Salisbury Ocean City/Wicomico Regional (SBY) | Salisbury | MD | Plymouth Municipal to Salisbury Ocean City/Wicomico Regional |
| University Park (SCE) | State College | PA | Plymouth Municipal to University Park |
| Schenectady County (SCH) | Schenectady | NY | Plymouth Municipal to Schenectady County |
| Mont-Laurier (SD4) | Mont-Laurier | QC | Plymouth Municipal to Mont-Laurier |
| Lachute (SE4) | Lachute | QC | Plymouth Municipal to Lachute |
| Montmagny (SE5) | Montmagny | QC | Plymouth Municipal to Montmagny |
| Penn Valley (SEG) | Selinsgrove | PA | Plymouth Municipal to Penn Valley |
| Sanford Seacoast Regional (SFM) | Sanford | ME | Plymouth Municipal to Sanford Seacoast Regional |
| Mascouche (SK3) | Montreal | QC | Plymouth Municipal to Mascouche |
| Lac-a-la-Tortue (SL3) | Lac-a-la-Tortue | QC | Plymouth Municipal to Lac-a-la-Tortue |
| Adirondack Regional (SLK) | Saranac Lake | NY | Plymouth Municipal to Adirondack Regional |
| Thetford Mines (SM3) | Thetford Mines | QC | Plymouth Municipal to Thetford Mines |
| Victoriaville (SR3) | Victoriaville | QC | Plymouth Municipal to Victoriaville |
| Les Cedres (SS3) | Montreal | QC | Plymouth Municipal to Les Cedres |
| Stewart International (SWF) | Newburgh | NY | Plymouth Municipal to Stewart International |
| Sidney Municipal (SXY) | Sidney | NY | Plymouth Municipal to Sidney Municipal |
| Sorel (SY3) | Sorel | QC | Plymouth Municipal to Sorel |
| Syracuse Hancock International (SYR) | Syracuse | NY | Plymouth Municipal to Syracuse Hancock International |
| Teterboro (TEB) | Teterboro | NJ | Plymouth Municipal to Teterboro |
| York (THV) | York | PA | Plymouth Municipal to York |
| Trenton Mercer (TTN) | Trenton | NJ | Plymouth Municipal to Trenton Mercer |
| Quakertown (UKT) | Quakertown | PA | Plymouth Municipal to Quakertown |
| Hartness State (Springfield) (VSF) | Springfield | VT | Plymouth Municipal to Hartness State (Springfield) |
| Wilkes-Barre Wyoming Valley (WBW) | Wilkes-Barre | PA | Plymouth Municipal to Wilkes-Barre Wyoming Valley |
| Frenchville/Northern Aroostook Regional (WFK) | Frenchville | ME | Plymouth Municipal to Frenchville/Northern Aroostook Regional |
| Brookhaven (WSH) | Shirley | NY | Plymouth Municipal to Brookhaven |
| Westerly State (WST) | Westerly | RI | Plymouth Municipal to Westerly State |
| Waterville Robert Lafleur (WVL) | Waterville | ME | Plymouth Municipal to Waterville Robert Lafleur |
| Wildwood/Cape May County (WWD) | Wildwood | NJ | Plymouth Municipal to Wildwood/Cape May County |
| Brockville Regional Tackaberry (XBR) | Brockville | ON | Plymouth Municipal to Brockville Regional Tackaberry |
| Drummondville (XDM) | Drummondville | QC | Plymouth Municipal to Drummondville |
| Joliette (XJL) | Joliette | QC | Plymouth Municipal to Joliette |
| Liverpool/South Shore Regional (YAU) | Liverpool | NS | Plymouth Municipal to Liverpool/South Shore Regional |
| Cornwall Regional (YCC) | Cornwall | ON | Plymouth Municipal to Cornwall Regional |
| Digby Annapolis Regional (YDG) | Digby | NS | Plymouth Municipal to Digby Annapolis Regional |
| Edmundston (YES) | Edmundston | NB | Plymouth Municipal to Edmundston |
| Fredericton International (YFC) | Fredericton | NB | Plymouth Municipal to Fredericton International |
| Kingston (YGK) | Kingston | ON | Plymouth Municipal to Kingston |
| Montreal St Hubert (YHU) | Montreal | QC | Plymouth Municipal to Montreal St Hubert |
| St Jean (YJN) | St Jean | QC | Plymouth Municipal to St Jean |
| La Tuque (YLQ) | La Tuque | QC | Plymouth Municipal to La Tuque |
| Charlevoix (YML) | Charlevoix | QC | Plymouth Municipal to Charlevoix |
| Maniwaki (YMW) | Maniwaki | QC | Plymouth Municipal to Maniwaki |
| Montreal International Mirabel (YMX) | Montreal | QC | Plymouth Municipal to Montreal International Mirabel |
| Gatineau-Ottawa Executive Airport (YND) | Ottawa | QC | Plymouth Municipal to Gatineau-Ottawa Executive Airport |
| Ottawa Macdonald Cartier Intl (YOW) | Ottawa | ON | Plymouth Municipal to Ottawa Macdonald Cartier Intl |
| Quebec City Jean Lesage International (YQB) | Quebec City | QC | Plymouth Municipal to Quebec City Jean Lesage International |
| Yarmouth (YQI) | Yarmouth | NS | Plymouth Municipal to Yarmouth |
| Ottawa/Rockcliffe (YRO) | Ottawa | ON | Plymouth Municipal to Ottawa/Rockcliffe |
| Ottawa/Carp (YRP) | Ottawa | ON | Plymouth Municipal to Ottawa/Carp |
| Trois-Rivieres (YRQ) | Trois-Rivieres | QC | Plymouth Municipal to Trois-Rivieres |
| Sherbrooke (YSC) | Sherbrooke | QC | Plymouth Municipal to Sherbrooke |
| St Georges (YSG) | St Georges | QC | Plymouth Municipal to St Georges |
| Smiths Falls Montague/Russ Beach (YSH) | Smiths Falls | ON | Plymouth Municipal to Smiths Falls Montague/Russ Beach |
| Saint John (YSJ) | Saint John | NB | Plymouth Municipal to Saint John |
| St Leonard (YSL) | St Leonard | NB | Plymouth Municipal to St Leonard |
| La Macaza/Mont Tremblant Intl (YTM) | La Macaza | QC | Plymouth Municipal to La Macaza/Mont Tremblant Intl |
| Trenton (YTR) | Trenton | ON | Plymouth Municipal to Trenton |
| Montreal/Pierre Elliott Trudeau Intl (YUL) | Montreal | QC | Plymouth Municipal to Montreal/Pierre Elliott Trudeau Intl |
| Greenwood (YZX) | Greenwood | NS | Plymouth Municipal to Greenwood |
| Bromont (ZBM) | Bromont | QC | Plymouth Municipal to Bromont |
