Travel with Axel,
get the best price.

Houston → Frankfurt

Jan 21, 2027 · return Feb 4, 2027

IAH → FRA1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

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 routeOct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 13, 2026 → Nov 16, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 11, 2026 → Dec 14, 2026Dec 12, 2026 → Dec 19, 2026Dec 22, 2026 → Dec 27, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Dec 30, 2026 → Jan 2, 2027Jan 8, 2027 → Jan 11, 2027Jan 9, 2027 → Jan 16, 2027Jan 15, 2027 → Jan 18, 2027Jan 22, 2027 → Jan 25, 2027Jan 23, 2027 → Jan 30, 2027Feb 5, 2027 → Feb 8, 2027Feb 6, 2027 → Feb 13, 2027Feb 12, 2027 → Feb 15, 2027Mar 5, 2027 → Mar 8, 2027Mar 6, 2027 → Mar 13, 2027Mar 25, 2027 → Mar 29, 2027Apr 2, 2027 → Apr 5, 2027Apr 3, 2027 → Apr 10, 2027Apr 30, 2027 → May 3, 2027May 1, 2027 → May 8, 2027May 28, 2027 → May 31, 2027May 29, 2027 → Jun 5, 2027Jun 25, 2027 → Jun 28, 2027Jun 26, 2027 → Jul 3, 2027Jul 2, 2027 → Jul 6, 2027Jul 23, 2027 → Jul 26, 2027Jul 24, 2027 → Jul 31, 2027Aug 20, 2027 → Aug 23, 2027Aug 21, 2027 → Aug 28, 2027Sep 3, 2027 → Sep 6, 2027Sep 17, 2027 → Sep 20, 2027Oct 30, 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)
2027-01-21 → 2027-02-04United AirlinesUA46 / UA47$883.502026-10-29T01:10:09Z
2027-01-21 → 2027-02-04LufthansaLH441 / LH440$902.502026-10-29T01:10:09Z
2027-01-21 → 2027-02-04British Airways / LufthansaBA196 + BA904 / LH440$821.752026-10-29T01:10:09Z
2027-01-21 → 2027-02-04Air France / LufthansaAF99 + AF1218 / LH440$840.752026-10-29T01:10:09Z
2027-01-21 → 2027-02-04United AirlinesUA2417 + LH431 / UA47$826.502026-10-29T01:10:09Z
2027-01-21 → 2027-02-04United AirlinesUA1746 + LH445 / UA47$826.502026-10-29T01:10:09Z
2027-01-21 → 2027-02-04United AirlinesUA880 + LH901 / UA47$826.502026-10-29T01:10:09Z
2027-01-21 → 2027-02-04United AirlinesUA6177 + LH449 / UA47$826.502026-10-29T01:10:09Z

2027-01-21 → 2027-02-04 · $883.50

  • United Airlines UA46: IAH 2027-01-21 18:50:00 → FRA 2027-01-22 11:40:00; nonstop; 590 minutes. Local airport times.
  • United Airlines UA47: FRA 2027-02-04 13:50:00 → IAH 2027-02-04 18:15:00; nonstop; 685 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $902.50

  • Lufthansa LH441: IAH 2027-01-21 16:10:00 → FRA 2027-01-22 08:45:00; nonstop; 575 minutes. Local airport times.
  • Lufthansa LH440: FRA 2027-02-04 10:00:00 → IAH 2027-02-04 14:00:00; nonstop; 660 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $821.75

  • British Airways BA196 / BA904: IAH 2027-01-21 21:40:00 → FRA 2027-01-22 17:05:00; 1 stop(s) via LHR; 745 minutes. Local airport times.
    • BA196: IAH 2027-01-21 21:40:00 → LHR 2027-01-22 12:40:00; layover at LHR: 100 minutes.
    • BA904: LHR 2027-01-22 14:20:00 → FRA 2027-01-22 17:05:00.
  • Lufthansa LH440: FRA 2027-02-04 10:00:00 → IAH 2027-02-04 14:00:00; nonstop; 660 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $840.75

  • Air France AF99 / AF1218: IAH 2027-01-21 19:10:00 → FRA 2027-01-22 14:20:00; 1 stop(s) via CDG; 730 minutes. Local airport times.
    • AF99: IAH 2027-01-21 19:10:00 → CDG 2027-01-22 11:25:00; layover at CDG: 95 minutes.
    • AF1218: CDG 2027-01-22 13:00:00 → FRA 2027-01-22 14:20:00.
  • Lufthansa LH440: FRA 2027-02-04 10:00:00 → IAH 2027-02-04 14:00:00; nonstop; 660 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $826.50

  • United Airlines UA2417 / LH431: IAH 2027-01-21 12:00:00 → FRA 2027-01-22 07:30:00; 1 stop(s) via ORD; 750 minutes. Local airport times.
    • UA2417: IAH 2027-01-21 12:00:00 → ORD 2027-01-21 14:51:00; layover at ORD: 89 minutes.
    • LH431: ORD 2027-01-21 16:20:00 → FRA 2027-01-22 07:30:00.
  • United Airlines UA47: FRA 2027-02-04 13:50:00 → IAH 2027-02-04 18:15:00; nonstop; 685 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $826.50

  • United Airlines UA1746 / LH445: IAH 2027-01-21 11:55:00 → FRA 2027-01-22 07:15:00; 1 stop(s) via ATL; 740 minutes. Local airport times.
    • UA1746: IAH 2027-01-21 11:55:00 → ATL 2027-01-21 15:01:00; layover at ATL: 89 minutes.
    • LH445: ATL 2027-01-21 16:30:00 → FRA 2027-01-22 07:15:00.
  • United Airlines UA47: FRA 2027-02-04 13:50:00 → IAH 2027-02-04 18:15:00; nonstop; 685 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $826.50

  • United Airlines UA880 / LH901: IAH 2027-01-21 16:30:00 → FRA 2027-01-22 12:05:00; 1 stop(s) via LHR; 755 minutes. Local airport times.
    • UA880: IAH 2027-01-21 16:30:00 → LHR 2027-01-22 07:40:00; layover at LHR: 110 minutes.
    • LH901: LHR 2027-01-22 09:30:00 → FRA 2027-01-22 12:05:00.
  • United Airlines UA47: FRA 2027-02-04 13:50:00 → IAH 2027-02-04 18:15:00; nonstop; 685 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $826.50

  • United Airlines UA6177 / LH449: IAH 2027-01-21 11:55:00 → FRA 2027-01-22 07:30:00; 1 stop(s) via STL; 755 minutes. Local airport times.
    • UA6177: IAH 2027-01-21 11:55:00 → STL 2027-01-21 14:06:00; layover at STL: 94 minutes.
    • LH449: STL 2027-01-21 15:40:00 → FRA 2027-01-22 07:30:00.
  • United Airlines UA47: FRA 2027-02-04 13:50:00 → IAH 2027-02-04 18:15:00; nonstop; 685 minutes. Local airport times.

More dates for this route