Nonstop flights from Houston (IAH)
194 nonstop routes from George Bush Intercontinental, busiest first. Average daily departures over a recent period (AeroDataBox, November 2026).
| Destination | Flights a day | Distance | Airlines |
|---|---|---|---|
| Chicago ORD | 22 | 1,491 km | American Airlines, Frontier Airlines, United Airlines |
| Dallas DFW | 19 | 362 km | American Airlines, Envoy Air, United Airlines |
| Atlanta ATL | 17 | 1,108 km | Delta Air Lines, Frontier Airlines, United Airlines |
| Los Angeles LAX | 16 | 2,215 km | American Airlines, Delta Air Lines, Frontier Airlines |
| Denver DEN | 16 | 1,387 km | Frontier Airlines, United Airlines |
| New York LGA | 13 | 2,277 km | Delta Air Lines, United Airlines |
| Mexico City MEX | 12 | 1,232 km | Aeroméxico, United Airlines, Viva Aerobus |
| Las Vegas LAS | 12 | 1,963 km | Frontier Airlines, United Airlines |
| Newark EWR | 11 | 2,250 km | United Airlines |
| Fort Lauderdale FLL | 11 | 1,552 km | Frontier Airlines, JetBlue, United Airlines |
| San Francisco SFO | 11 | 2,627 km | United Airlines |
| Orlando MCO | 10 | 1,372 km | Frontier Airlines, United Airlines |
| Phoenix PHX | 10 | 1,620 km | American Airlines, Frontier Airlines, United Airlines |
| Charlotte CLT | 10 | 1,467 km | American Airlines, Frontier Airlines, United Airlines |
| Oklahoma City OKC | 10 | 637 km | SkyWest Airlines, United Airlines |
| San Antonio SAT | 9.7 | 306 km | United Airlines |
| Miami MIA | 9.6 | 1,549 km | American Airlines, Frontier Airlines, United Airlines |
| Austin AUS | 9.4 | 225 km | United Airlines |
| Midland MAF | 9.4 | 689 km | Delta Air Lines, United Airlines |
| Detroit DTW | 8.9 | 1,731 km | Delta Air Lines, Frontier Airlines, United Airlines |
| Monterrey MTY | 8.9 | 662 km | United Airlines, Viva Aerobus |
| New Orleans MSY | 8.6 | 489 km | United Airlines |
| Corpus Christi CRP | 8.1 | 324 km | SkyWest Airlines, United Airlines |
| Boston BOS | 8 | 2,567 km | JetBlue, United Airlines |
| Lafayette LFT | 7.7 | 324 km | United Airlines |
| Minneapolis MSP | 7.7 | 1,667 km | Delta Air Lines, United Airlines |
| Baton Rouge BTR | 7.6 | 407 km | United Airlines |
| McAllen MFE | 7.4 | 510 km | United Airlines |
| Nashville BNA | 7 | 1,057 km | United Airlines |
| El Paso ELP | 6.7 | 1,072 km | United Airlines |
| Washington IAD | 6.7 | 1,913 km | United Airlines |
| Philadelphia PHL | 6.7 | 2,129 km | American Airlines, United Airlines |
| Salt Lake City SLC | 6.6 | 1,923 km | Delta Air Lines, United Airlines |
| Memphis MEM | 6.3 | 754 km | SkyWest Airlines, United Airlines |
| Tulsa TUL | 6.1 | 693 km | SkyWest Airlines, United Airlines |
| Birmingham BHM | 5.9 | 904 km | United Airlines |
| San Salvador (San Luis Talpa) SAL | 5.9 | 1,949 km | Avianca, United Airlines |
| Cancún CUN | 5.7 | 1,307 km | United Airlines |
| Little Rock LIT | 5.7 | 603 km | United Airlines |
| San Diego SAN | 5.7 | 2,093 km | United Airlines |
| Shreveport SHV | 5.7 | 309 km | United Airlines |
| St Louis STL | 5.7 | 1,076 km | Republic Airways, United Airlines |
| Lubbock LBB | 5.6 | 736 km | United Airlines |
| Seattle SEA | 5.6 | 3,013 km | Alaska Airlines, United Airlines |
| Fayetteville/Springdale/Rogers XNA | 5.6 | 707 km | United Airlines |
| Baltimore BWI | 5.4 | 1,986 km | Frontier Airlines, United Airlines |
| Jackson JAN | 5.4 | 564 km | United Airlines |
| Pensacola PNS | 5.4 | 785 km | United Airlines |
| Huntsville HSV | 5.3 | 956 km | United Airlines |
| Indianapolis IND | 5.3 | 1,360 km | Republic Airways, United Airlines |
| Brownsville BRO | 5 | 497 km | SkyWest Airlines, United Airlines |
| Albuquerque ABQ | 4.9 | 1,196 km | United Airlines |
| Cincinnati / Covington CVG | 4.9 | 1,402 km | Alaska Airlines, United Airlines |
| Tampa TPA | 4.9 | 1,265 km | Frontier Airlines, United Airlines |
| Guadalajara GDL | 4.7 | 1,322 km | United Airlines, Viva Aerobus, Volaris |
| Harlingen HRL | 4.7 | 475 km | United Airlines |
| Kansas City MCI | 4.7 | 1,038 km | Republic Airways, United Airlines |
| Mobile MOB | 4.6 | 686 km | United Airlines |
| Panama City Beach ECP | 4.4 | 918 km | United Airlines |
| Wichita ICT | 4.4 | 874 km | United Airlines |
| Jacksonville JAX | 4.3 | 1,312 km | United Airlines |
| Querétaro QRO | 4.3 | 1,149 km | United Airlines, Viva Aerobus, Volaris |
| Raleigh/Durham RDU | 4.3 | 1,675 km | Frontier Airlines, United Airlines |
| Toronto YYZ | 4.3 | 2,060 km | Air Canada, United Airlines |
| London LHR | 4.1 | 7,763 km | British Airways, United Airlines |
| Springfield SGF | 4 | 827 km | United Airlines |
| Silao BJX | 3.9 | 1,174 km | United Airlines, Viva Aerobus |
| Cleveland CLE | 3.7 | 1,756 km | United Airlines |
| Louisville SDF | 3.7 | 1,268 km | United Airlines |
| Omaha OMA | 3.6 | 1,260 km | United Airlines |
| Portland PDX | 3.6 | 2,934 km | Alaska Airlines, United Airlines |
| Knoxville/Maryville TYS | 3.6 | 1,241 km | United Airlines |
| Guatemala City GUA | 3.4 | 1,782 km | United Airlines |
| Pittsburgh PIT | 3.4 | 1,797 km | United Airlines |
| Savannah SAV | 3.4 | 1,367 km | Republic Airways, United Airlines |
| Santa Ana SNA | 3.4 | 2,163 km | United Airlines |
| Columbus CMH | 3.3 | 1,586 km | United Airlines |
| Gulfport GPT | 3.3 | 604 km | United Airlines |
| Laredo LRD | 3.3 | 485 km | United Airlines |
| Fort Myers RSW | 3.3 | 1,384 km | United Airlines |
| Amarillo AMA | 3.1 | 833 km | United Airlines |
| Lake Charles LCH | 3.1 | 204 km | United Airlines |
| San José SJO | 3.1 | 2,505 km | United Airlines |
| Washington DCA | 2.7 | 1,942 km | American Airlines |
| Milwaukee MKE | 2.7 | 1,586 km | United Airlines |
| San Luis Potosí SLP | 2.7 | 1,024 km | United Airlines, Volaris |
| Bogotá BOG | 2.6 | 3,585 km | United Airlines |
| Alexandria AEX | 2.4 | 306 km | SkyWest Airlines, United Airlines |
| Aguascalientes AGU | 2.4 | 1,155 km | United Airlines |
| Chattanooga CHA | 2.4 | 1,103 km | American Airlines, SkyWest Airlines, United Airlines |
| Greenville/Greer/Spartanburg GSP | 2.4 | 1,346 km | United Airlines |
| Ontario ONT | 2.4 | 2,142 km | United Airlines |
| San José del Cabo SJD | 2.4 | 1,617 km | United Airlines |
| San Juan SJU | 2.4 | 3,228 km | United Airlines |
| Tucson TUS | 2.4 | 1,503 km | United Airlines |
| Calgary YYC | 2.4 | 2,813 km | United Airlines, WestJet |
| Charleston CHS | 2.3 | 1,486 km | United Airlines |
| Des Moines DSM | 2.3 | 1,293 km | United Airlines |
| Frankfurt FRA | 2.3 | 8,402 km | Lufthansa, United Airlines |
| Istanbul IST | 2.3 | 10,231 km | Turkish Airlines |
| New York JFK | 2.3 | 2,278 km | JetBlue |
| Montgomery MGM | 2.3 | 889 km | United Airlines |
| Panama City PTY | 2.3 | 2,856 km | United Airlines |
| Richmond RIC | 2.3 | 1,860 km | United Airlines |
| Amsterdam AMS | 2.1 | 8,049 km | KLM, United Airlines |
| Colorado Springs COS | 2.1 | 1,302 km | Delta Air Lines, United Airlines |
| Abilene ABI | 2 | 493 km | SkyWest Airlines, United Airlines |
| Belize City BZE | 2 | 1,557 km | United Airlines |
| Meridian MEI | 2 | 679 km | American Airlines, United Airlines |
| Oaxaca OAX | 2 | 1,451 km | United Airlines |
| Moselle PIB | 2 | 597 km | American Airlines, SkyWest Airlines, United Airlines |
| Puerto Vallarta PVR | 2 | 1,435 km | United Airlines |
| Sacramento SMF | 2 | 2,586 km | United Airlines |
| West Palm Beach DJT | 1.7 | 1,535 km | United Airlines |
| Tokyo NRT | 1.7 | 10,669 km | United Airlines |
| Liberia LIR | 1.6 | 2,383 km | United Airlines |
| Morelia MLM | 1.6 | 1,264 km | United Airlines, Volaris |
| Puebla PBC | 1.6 | 1,242 km | United Airlines, Volaris |
| Dubai DXB | 1.4 | 13,125 km | Emirates |
| Taipei TPE | 1.4 | 12,756 km | EVA Air |
| Victoria VCT | 1.4 | 198 km | American Airlines, SkyWest Airlines, United Airlines |
| Paris CDG | 1.3 | 8,072 km | Air France |
| Frankfurt am Main (Lautzenhausen) HHN | 1.3 | 8,326 km | — |
| Hobbs HOB | 1.3 | 806 km | United Airlines |
| Grâce-Hollogne LGG | 1.3 | 8,176 km | Ethiopian Airlines, Qatar Airways |
| Port of Spain POS | 1.3 | 4,124 km | United Airlines |
| Cozumel CZM | 1.1 | 1,350 km | United Airlines |
| Doha DOH | 1.1 | 12,933 km | Qatar Airways |
| George Town GCM | 1.1 | 1,844 km | United Airlines |
| Rio de Janeiro GIG | 1.1 | 8,088 km | United Airlines |
| Grand Rapids GRR | 1.1 | 1,679 km | United Airlines |
| São Paulo GRU | 1.1 | 7,905 km | United Airlines |
| Tokyo HND | 1.1 | 10,725 km | ANA |
| Honolulu HNL | 1.1 | 6,273 km | United Airlines |
| Lakeland LAL | 1.1 | 1,314 km | — |
| Lima LIM | 1.1 | 5,062 km | United Airlines |
| Medellín MDE | 1.1 | 3,370 km | United Airlines |
| Managua MGA | 1.1 | 2,198 km | United Airlines |
| Mérida MID | 1.1 | 1,157 km | United Airlines |
| Nassau NAS | 1.1 | 1,844 km | United Airlines |
| Norfolk ORF | 1.1 | 1,931 km | United Airlines |
| Palm Springs PSP | 1.1 | 2,039 km | United Airlines |
| San Pedro Sula SAP | 1.1 | 1,785 km | United Airlines |
| San Bernardino SBD | 1.1 | 2,109 km | Alaska Airlines |
| Santiago SCL | 1.1 | 7,506 km | United Airlines |
| Sydney SYD | 1.1 | 13,836 km | United Airlines |
| Ciudad Madero TAM | 1.1 | 892 km | United Airlines |
| Quito UIO | 1.1 | 3,801 km | United Airlines |
| Veracruz VER | 1.1 | 1,209 km | United Airlines |
| Palmerola XPL | 1.1 | 1,907 km | United Airlines |
| Edmonton YEG | 1.1 | 2,984 km | United Airlines |
| Montreal YUL | 1.1 | 2,549 km | Air Canada |
| Vancouver YVR | 1.1 | 3,169 km | Air Canada |
| Hartford BDL | 1 | 2,422 km | United Airlines |
| Paducah PAH | 1 | 994 km | SkyWest Airlines, United Airlines |
| Auckland AKL | 0.9 | 11,944 km | Air New Zealand |
| Munich MUC | 0.9 | 8,699 km | United Airlines |
| Puerto Escondido PXM | 0.9 | 1,579 km | United Airlines |
| Coxen Hole RTB | 0.9 | 1,765 km | United Airlines |
| Salina SLN | 0.7 | 1,002 km | SkyWest Airlines, United Airlines |
| Tulum TQO | 0.7 | 1,337 km | United Airlines |
| Acapulco ACA | 0.4 | 1,538 km | United Airlines |
| Anchorage ANC | 0.4 | 5,248 km | — |
| Montego Bay MBJ | 0.4 | 2,175 km | United Airlines |
| Punta Cana PUJ | 0.4 | 3,004 km | United Airlines |
| Charlotte Amalie STT | 0.4 | 3,328 km | United Airlines |
| Tuxtla Gutiérrez TGZ | 0.4 | 1,511 km | United Airlines |
| Toluca TLC | 0.4 | 1,258 km | — |
| Ixtapa ZIH | 0.4 | 1,510 km | United Airlines |
| Copenhagen CPH | 0.3 | 8,323 km | Emirates |
| Rome FCO | 0.3 | 9,126 km | ITA Airways |
| Fort Worth FTW | 0.3 | 369 km | United Airlines |
| New Haven HVN | 0.3 | 2,375 km | Avelo Airlines |
| Lexington LEX | 0.3 | 1,333 km | — |
| Monroe MLU | 0.3 | 421 km | — |
| Minot MOT | 0.3 | 2,094 km | — |
| Prestwick, South Ayrshire PIK | 0.3 | 7,349 km | — |
| Zaragoza ZAZ | 0.3 | 8,175 km | Ethiopian Airlines |
| Allentown/Bethlehem ABE | 0.1 | 2,152 km | — |
| Waco ACT | 0.1 | 255 km | United Airlines |
| Albany ALB | 0.1 | 2,383 km | — |
| Aspen ASE | 0.1 | 1,470 km | — |
| Oranjestad AUA | 0.1 | 3,252 km | United Airlines |
| Kralendijk BON | 0.1 | 3,424 km | United Airlines |
| Fort Wayne FWA | 0.1 | 1,527 km | Delta Air Lines |
| Columbus/W Point/Starkville GTR | 0.1 | 746 km | United Airlines |
| Loreto LTO | 0.1 | 1,632 km | — |
| Cincinnati LUK | 0.1 | 1,422 km | — |
| Macon MCN | 0.1 | 1,150 km | United Airlines |
| Monterey MRY | 0.1 | 2,561 km | — |
| Oslo OSL | 0.1 | 7,987 km | Ethiopian Airlines |
| Sarasota/Bradenton SRQ | 0.1 | 1,279 km | United Airlines |
| Santa Rosa STS | 0.1 | 2,685 km | — |
| Manzanillo ZLO | 0.1 | 1,522 km | United Airlines |
Routes with fewer than 1 flight a day on average link to the destination airport rather than a route page.