St. Louis → Atlanta

STL → ATL

St. Louis → Boston

STL → BOS

St. Louis → Burlington IA

STL → BRL

St. Louis → Cancun

STL → CUN

St. Louis → Cape Girardeau

STL → CGI

St. Louis → Charlotte

STL → CLT

St. Louis → Chicago

STL → ORD

St. Louis → Cincinnati

STL → CVG

St. Louis → Cleveland

STL → CLE

St. Louis → Columbus

STL → CMH

St. Louis → Dallas

STL → DAL

St. Louis → Decatur

STL → DEC

St. Louis → Denver

STL → DEN

St. Louis → Detroit

STL → DTW

St. Louis → Fort Lauderdale

STL → FLL

St. Louis → Fort Leonard Wood

STL → TBN

St. Louis → Fort Myers

STL → RSW

St. Louis → Fort Worth

STL → DFW

St. Louis → Grand Rapids

STL → GRR

St. Louis → Houston

STL → HOU

St. Louis → Jonesboro

STL → JBR

St. Louis → Kansas City

STL → MCI

St. Louis → Kirksville

STL → IRK

St. Louis → Las Vegas

STL → LAS

St. Louis → Little Rock

STL → LIT

St. Louis → Los Angeles

STL → LAX

St. Louis → Marion

STL → MWA

St. Louis → Miami

STL → MIA

St. Louis → Milwaukee

STL → MKE

St. Louis → Minneapolis

STL → MSP

St. Louis → Montego Bay

STL → MBJ

St. Louis → Nashville

STL → BNA

St. Louis → New Orleans

STL → MSY

St. Louis → New York

STL → JFK

St. Louis → Oklahoma City

STL → OKC

St. Louis → Omaha

STL → OMA

St. Louis → Orlando

STL → MCO

St. Louis → Owensboro

STL → OWB

St. Louis → Philadelphia

STL → PHL

St. Louis → Phoenix

STL → PHX

St. Louis → Pittsburgh International Airport

STL → PIT

St. Louis → Puerto Vallarta

STL → PVR

St. Louis → Punta Cana

STL → PUJ

St. Louis → Quincy

STL → UIN

St. Louis → Raleigh

STL → RDU

St. Louis → Salt Lake City

STL → SLC

St. Louis → San Antonio

STL → SAT

St. Louis → San Diego

STL → SAN

St. Louis → San Francisco

STL → SFO

St. Louis → Seattle

STL → SEA

St. Louis → Tampa

STL → TPA

St. Louis → Toronto

STL → YYZ

St. Louis → Tulsa

STL → TUL

St. Louis → Washington DC

STL → IAD

Houston → Acapulco

IAH → ACA

Houston → Aguascaliente

IAH → AGU

Houston → Albuquerque

IAH → ABQ

Houston → Amarillo

IAH → AMA

Houston → Amsterdam

IAH → AMS

Houston → Atlanta

IAH → ATL

Houston → Atlantic City

IAH → ACY

Houston → Austin

IAH → AUS

Houston → Bakersfield

IAH → BFL

Houston → Baton Rouge

IAH → BTR

Houston → Beijing

IAH → PEK

Houston → Belize City

IAH → BZE

Houston → Bentonville-Fayetteville

IAH → XNA

Houston → Birmingham

IAH → BHM

Houston → Bogota

IAH → BOG

Houston → Bonaire

IAH → BON

Houston → Boston

IAH → BOS

Houston → Buenos Aires

IAH → EZE

Houston → Calgary

IAH → YYC

Houston → Cancun

IAH → CUN

Houston → Caracas

IAH → CCS

Houston → Charleston

IAH → CHS

Houston → Charlotte

IAH → CLT

Houston → Chicago

IAH → ORD

Houston → Chihuahua

IAH → CUU

Houston → Cincinnati

IAH → CVG

Houston → Ciudad Del Carmen

IAH → CME

Houston → Cleveland

IAH → CLE

Houston → College Station

IAH → CLL

Houston → Colorado Springs

IAH → COS

Houston → Columbia

IAH → CAE

Houston → Columbus

IAH → CMH

Houston → Corpus Christi

IAH → CRP

Houston → Cozmel

IAH → CZM

Houston → Dallas

IAH → DAL

Houston → Denver

IAH → DEN

Houston → Des Moines

IAH → DSM

Houston → Detroit

IAH → DTW

Houston → Doha

IAH → DOH

Houston → Dubai

IAH → DXB

Houston → Edmonton

IAH → YEG

Houston → El Paso

IAH → ELP

Houston → Fort Lauderdale

IAH → FLL

Houston → Fort Myers

IAH → RSW

Houston → Fort Walton Beach

IAH → VPS

Houston → Fort Worth

IAH → DFW

Houston → Frankfurt

IAH → FRA

Houston → Grand Cayman

IAH → GCM

Houston → Grand Junction

IAH → GJT

Houston → Grand Rapids

IAH → GRR

Houston → Greenville

IAH → GSP

Houston → Guadalajara

IAH → GDL

Houston → Guatemala City

IAH → GUA

Houston → Gulfport

IAH → GPT

Houston → Harlingen

IAH → HRL

Houston → Honolulu

IAH → HNL

Houston → Huatulco

IAH → HUX

Houston → Huntsville

IAH → HSV

Houston → Indianapolis

IAH → IND

Houston → Istanbul

IAH → IST

Houston → Ixtapa

IAH → ZIH

Houston → Jackson

IAH → JAN

Houston → Jacksonville

IAH → JAX

Houston → Kansas City

IAH → MCI

Houston → Knoxville

IAH → TYS

Houston → Lafayette

IAH → LFT

Houston → Lagos

IAH → LOS

Houston → Lake Charles

IAH → LCH

Houston → Laredo

IAH → LRD

Houston → Las Vegas

IAH → LAS

Houston → Leon

IAH → BJX

Houston → Lexington

IAH → LEX

Houston → Liberia

IAH → LIR

Houston → Lima

IAH → LIM

Houston → Little Rock

IAH → LIT

Houston → London

IAH → LHR

Houston → Los Angeles

IAH → LAX

Houston → Louisville

IAH → SDF

Houston → Lubbock

IAH → LBB

Houston → Managua

IAH → MGA

Houston → Manzanillo

IAH → ZLO

Houston → McAllen

IAH → MFE

Houston → Memphis

IAH → MEM

Houston → Merida

IAH → MID

Houston → Mexico City

IAH → MEX

Houston → Miami

IAH → MIA

Houston → Midland

IAH → MAF

Houston → Milwaukee

IAH → MKE

Houston → Minneapolis

IAH → MSP

Houston → Mobile

IAH → MOB

Houston → Monroe

IAH → MLU

Houston → Montego Bay

IAH → MBJ

Houston → Monterrey

IAH → MTY

Houston → Montreal

IAH → YUL

Houston → Morelia

IAH → MLM

Houston → Moscow

IAH → DME

Houston → Muenchen

IAH → MUC

Houston → Nashville

IAH → BNA

Houston → Nassau

IAH → NAS

Houston → New Orleans

IAH → MSY

Houston → New York

IAH → LGA

Houston → Norfolk

IAH → ORF

Houston → Oaxaca

IAH → OAX

Houston → Oklahoma City

IAH → OKC

Houston → Omaha

IAH → OMA

Houston → Ontario

IAH → ONT

Houston → Orlando

IAH → MCO

Houston → Palm Springs

IAH → PSP

Houston → Panama City

IAH → PTY

Houston → Paris

IAH → CDG

Houston → Pensacola

IAH → PNS

Houston → Philadelphia

IAH → PHL

Houston → Phoenix

IAH → PHX

Houston → Pittsburgh International Airport

IAH → PIT

Houston → Port of Spain

IAH → POS

Houston → Portland International

IAH → PDX

Houston → Puebla

IAH → PBC

Houston → Puerto Vallarta

IAH → PVR

Houston → Queretaro

IAH → QRO

Houston → Quito

IAH → UIO

Houston → Raleigh

IAH → RDU

Houston → Richmond

IAH → RIC

Houston → Rio de Janeiro

IAH → GIG

Houston → Roatan

IAH → RTB

Houston → Sacramento

IAH → SMF

Houston → Salt Lake City

IAH → SLC

Houston → Saltillo

IAH → SLW

Houston → San Antonio

IAH → SAT

Houston → San Diego

IAH → SAN

Houston → San Francisco

IAH → SFO

Houston → San Jose Cabo

IAH → SJD

Houston → San Jose

IAH → SJO

Houston → San Jose

IAH → SJC

Houston → San Juan

IAH → SJU

Houston → San Luis Potosi

IAH → SLP

Houston → San Pedro Sula

IAH → SAP

Houston → San Salvador

IAH → SAL

Houston → Santa Ana

IAH → SNA

Houston → Sao Paulo

IAH → GRU

Houston → Savannah

IAH → SAV

Houston → Seattle

IAH → SEA

Houston → Seoul

IAH → ICN

Houston → Shreveport

IAH → SHV

Houston → St. Louis

IAH → STL

Houston → Tampa

IAH → TPA

Houston → Tampico

IAH → TAM

Houston → Tegucigalpa

IAH → TGU

Houston → Tokyo

IAH → NRT

Houston → Toronto

IAH → YYZ

Houston → Torreon

IAH → TRC

Houston → Tucson

IAH → TUS

Houston → Tulsa

IAH → TUL

Houston → Tyler

IAH → TYR

Houston → Vancouver

IAH → YVR

Houston → Veracruz

IAH → VER

Houston → Villahermosa

IAH → VSA

Houston → Washington DC

IAH → BWI

Houston → West Palm Beach

IAH → PBI

Houston → Wichita

IAH → ICT