Travel with Axel,
get the best price.

Houston → Frankfurt

Dec 21, 2026 · return Dec 28, 2026

IAH → FRA1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Mon, Dec 28

United Airlines
6:50 pmIAH
9h 50m
Nonstop
11:40 am+1FRA
United Airlines
1:50 pmFRA
11h 25m
Nonstop
6:15 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Lufthansa
4:10 pmIAH
9h 35m
Nonstop
8:45 am+1FRA
Lufthansa
10:00 amFRA
11h
Nonstop
2:00 pmIAH

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Dec 28

British Airways
9:40 pmIAH
12h 25m
LHR · 1h 40m
5:05 pm+1FRA
Lufthansa
10:00 amFRA
11h
Nonstop
2:00 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Air France
7:10 pmIAH
12h 10m
CDG · 1h 35m
2:20 pm+1FRA
Lufthansa
10:00 amFRA
11h
Nonstop
2:00 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
4:30 pmIAH
12h 35m
LHR · 1h 50m
12:05 pm+1FRA
United Airlines
1:50 pmFRA
11h 25m
Nonstop
6:15 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
11:55 amIAH
12h 20m
ATL · 1h 29m
7:15 am+1FRA
United Airlines
1:50 pmFRA
11h 25m
Nonstop
6:15 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
12:00 pmIAH
12h 30m
ORD · 1h 29m
7:30 am+1FRA
United Airlines
1:50 pmFRA
11h 25m
Nonstop
6:15 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
11:55 amIAH
12h 35m
STL · 1h 34m
7:30 am+1FRA
United Airlines
1:50 pmFRA
11h 25m
Nonstop
6:15 pmIAH

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAH ⇄ FRA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, United Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
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.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2026-12-28United AirlinesUA46 / UA47$1209.002026-10-29T01:10:09Z
2026-12-21 → 2026-12-28LufthansaLH441 / LH440$1235.002026-10-29T01:10:09Z
2026-12-21 → 2026-12-28British Airways / LufthansaBA196 + BA904 / LH440$1124.502026-10-29T01:10:09Z
2026-12-21 → 2026-12-28Air France / LufthansaAF99 + AF1218 / LH440$1150.502026-10-29T01:10:09Z
2026-12-21 → 2026-12-28United AirlinesUA880 + LH901 / UA47$1131.002026-10-29T01:10:09Z
2026-12-21 → 2026-12-28United AirlinesUA1746 + LH445 / UA47$1131.002026-10-29T01:10:09Z
2026-12-21 → 2026-12-28United AirlinesUA2417 + LH431 / UA47$1131.002026-10-29T01:10:09Z
2026-12-21 → 2026-12-28United AirlinesUA6177 + LH449 / UA47$1131.002026-10-29T01:10:09Z

2026-12-21 → 2026-12-28 · $1209.00

  • United Airlines UA46: IAH 2026-12-21 18:50:00 → FRA 2026-12-22 11:40:00; nonstop; 590 minutes. Local airport times.
  • United Airlines UA47: FRA 2026-12-28 13:50:00 → IAH 2026-12-28 18:15:00; nonstop; 685 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $1235.00

  • Lufthansa LH441: IAH 2026-12-21 16:10:00 → FRA 2026-12-22 08:45:00; nonstop; 575 minutes. Local airport times.
  • Lufthansa LH440: FRA 2026-12-28 10:00:00 → IAH 2026-12-28 14:00:00; nonstop; 660 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $1124.50

  • British Airways BA196 / BA904: IAH 2026-12-21 21:40:00 → FRA 2026-12-22 17:05:00; 1 stop(s) via LHR; 745 minutes. Local airport times.
    • BA196: IAH 2026-12-21 21:40:00 → LHR 2026-12-22 12:40:00; layover at LHR: 100 minutes.
    • BA904: LHR 2026-12-22 14:20:00 → FRA 2026-12-22 17:05:00.
  • Lufthansa LH440: FRA 2026-12-28 10:00:00 → IAH 2026-12-28 14:00:00; nonstop; 660 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $1150.50

  • Air France AF99 / AF1218: IAH 2026-12-21 19:10:00 → FRA 2026-12-22 14:20:00; 1 stop(s) via CDG; 730 minutes. Local airport times.
    • AF99: IAH 2026-12-21 19:10:00 → CDG 2026-12-22 11:25:00; layover at CDG: 95 minutes.
    • AF1218: CDG 2026-12-22 13:00:00 → FRA 2026-12-22 14:20:00.
  • Lufthansa LH440: FRA 2026-12-28 10:00:00 → IAH 2026-12-28 14:00:00; nonstop; 660 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $1131.00

  • United Airlines UA880 / LH901: IAH 2026-12-21 16:30:00 → FRA 2026-12-22 12:05:00; 1 stop(s) via LHR; 755 minutes. Local airport times.
    • UA880: IAH 2026-12-21 16:30:00 → LHR 2026-12-22 07:40:00; layover at LHR: 110 minutes.
    • LH901: LHR 2026-12-22 09:30:00 → FRA 2026-12-22 12:05:00.
  • United Airlines UA47: FRA 2026-12-28 13:50:00 → IAH 2026-12-28 18:15:00; nonstop; 685 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $1131.00

  • United Airlines UA1746 / LH445: IAH 2026-12-21 11:55:00 → FRA 2026-12-22 07:15:00; 1 stop(s) via ATL; 740 minutes. Local airport times.
    • UA1746: IAH 2026-12-21 11:55:00 → ATL 2026-12-21 15:01:00; layover at ATL: 89 minutes.
    • LH445: ATL 2026-12-21 16:30:00 → FRA 2026-12-22 07:15:00.
  • United Airlines UA47: FRA 2026-12-28 13:50:00 → IAH 2026-12-28 18:15:00; nonstop; 685 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $1131.00

  • United Airlines UA2417 / LH431: IAH 2026-12-21 12:00:00 → FRA 2026-12-22 07:30:00; 1 stop(s) via ORD; 750 minutes. Local airport times.
    • UA2417: IAH 2026-12-21 12:00:00 → ORD 2026-12-21 14:51:00; layover at ORD: 89 minutes.
    • LH431: ORD 2026-12-21 16:20:00 → FRA 2026-12-22 07:30:00.
  • United Airlines UA47: FRA 2026-12-28 13:50:00 → IAH 2026-12-28 18:15:00; nonstop; 685 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $1131.00

  • United Airlines UA6177 / LH449: IAH 2026-12-21 11:55:00 → FRA 2026-12-22 07:30:00; 1 stop(s) via STL; 755 minutes. Local airport times.
    • UA6177: IAH 2026-12-21 11:55:00 → STL 2026-12-21 14:06:00; layover at STL: 94 minutes.
    • LH449: STL 2026-12-21 15:40:00 → FRA 2026-12-22 07:30:00.
  • United Airlines UA47: FRA 2026-12-28 13:50:00 → IAH 2026-12-28 18:15:00; nonstop; 685 minutes. Local airport times.

More dates for this route