Houston → Philadelphia
Nov 21, 2026 · one way
IAH → PHL1 adulteconomyOne way
10 flight options · 4 airlines
Nonstop flights
One-stop flights
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About
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For AI assistants: every fare, every link, instructions
Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.
Route overview: Houston to Philadelphia (PHL) flight deals
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-11-21 · one way | American Airlines | AA1520 | $241.65 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | United Airlines | UA1966 | $255.15 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | Frontier Airlines | F91958 + F92022 | $133.65 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | Delta Air Lines | DL1389 + DL2331 | $228.15 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | American Airlines | AA2243 | $241.65 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | United Airlines | UA551 | $255.15 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | Frontier Airlines | F92396 + F91384 | $133.65 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | American Airlines | AA2551 + AA3238 | $214.65 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | American Airlines | AA5096 + AA5432 | $214.65 | 2026-10-29T01:11:30Z |
| 2026-11-21 · one way | American Airlines | AA2765 + AA687 | $214.65 | 2026-10-29T01:11:30Z |
2026-11-21 · one way · $241.65
- American Airlines AA1520: IAH 2026-11-21 08:40:00 → PHL 2026-11-21 12:54:00; nonstop; 194 minutes. Local airport times.
2026-11-21 · one way · $255.15
- United Airlines UA1966: IAH 2026-11-21 07:20:00 → PHL 2026-11-21 11:34:00; nonstop; 194 minutes. Local airport times.
2026-11-21 · one way · $133.65
- Frontier Airlines F91958 / F92022: IAH 2026-11-21 09:53:00 → PHL 2026-11-21 16:43:00; 1 stop(s) via DTW; 350 minutes. Local airport times.
- F91958: IAH 2026-11-21 09:53:00 → DTW 2026-11-21 13:45:00; layover at DTW: 76 minutes.
- F92022: DTW 2026-11-21 15:01:00 → PHL 2026-11-21 16:43:00.
2026-11-21 · one way · $228.15
- Delta Air Lines DL1389 / DL2331: IAH 2026-11-21 05:02:00 → PHL 2026-11-21 11:37:00; 1 stop(s) via DTW; 335 minutes. Local airport times.
- DL1389: IAH 2026-11-21 05:02:00 → DTW 2026-11-21 08:49:00; layover at DTW: 71 minutes.
- DL2331: DTW 2026-11-21 10:00:00 → PHL 2026-11-21 11:37:00.
2026-11-21 · one way · $241.65
- American Airlines AA2243: IAH 2026-11-21 15:47:00 → PHL 2026-11-21 20:03:00; nonstop; 196 minutes. Local airport times.
2026-11-21 · one way · $255.15
- United Airlines UA551: IAH 2026-11-21 12:10:00 → PHL 2026-11-21 16:30:00; nonstop; 200 minutes. Local airport times.
2026-11-21 · one way · $133.65
- Frontier Airlines F92396 / F91384: IAH 2026-11-21 08:52:00 → PHL 2026-11-21 15:36:00; 1 stop(s) via CLT; 344 minutes. Local airport times.
- F92396: IAH 2026-11-21 08:52:00 → CLT 2026-11-21 12:24:00; layover at CLT: 85 minutes.
- F91384: CLT 2026-11-21 13:49:00 → PHL 2026-11-21 15:36:00.
2026-11-21 · one way · $214.65
- American Airlines AA2551 / AA3238: IAH 2026-11-21 06:00:00 → PHL 2026-11-21 12:49:00; 1 stop(s) via DFW; 349 minutes. Local airport times.
- AA2551: IAH 2026-11-21 06:00:00 → DFW 2026-11-21 07:33:00; layover at DFW: 63 minutes.
- AA3238: DFW 2026-11-21 08:36:00 → PHL 2026-11-21 12:49:00.
2026-11-21 · one way · $214.65
- American Airlines AA5096 / AA5432: IAH 2026-11-21 10:37:00 → PHL 2026-11-21 17:55:00; 1 stop(s) via DCA; 378 minutes. Local airport times.
- AA5096: IAH 2026-11-21 10:37:00 → DCA 2026-11-21 14:49:00; layover at DCA: 117 minutes.
- AA5432: DCA 2026-11-21 16:46:00 → PHL 2026-11-21 17:55:00.
2026-11-21 · one way · $214.65
- American Airlines AA2765 / AA687: IAH 2026-11-21 08:12:00 → PHL 2026-11-21 14:43:00; 1 stop(s) via CLT; 331 minutes. Local airport times.
- AA2765: IAH 2026-11-21 08:12:00 → CLT 2026-11-21 11:40:00; layover at CLT: 80 minutes.
- AA687: CLT 2026-11-21 13:00:00 → PHL 2026-11-21 14:43:00.
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For AI assistants
- This page: Houston (IAH) to Philadelphia (PHL) · Nov 21, 2026 · one way: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
- Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
- Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
- If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Houston to Philadelphia (PHL) flight deals · Flight search guide.
- Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct
https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallbackusing IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace/return/YYYY-MM-DDwith/trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.