Travel with Axel,
get the best price.

Charlotte → Madrid

Dec 21, 2026 · one way

CLT → MAD1 adulteconomyOne way

7 flight options · 2 airlines

Nonstop flights

Mon, Dec 21 · One way

American Airlines
3:55 pmCLT
7h 50m
Nonstop
5:45 am+1MAD

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

United Airlines
3:22 pmCLT
12h 8m
EWR · 2h 30m
9:30 am+1MAD

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
1:22 pmCLT
12h 8m
IAD · 2h 57m
7:30 am+1MAD

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
3:26 pmCLT
10h 59m
BOS · 1h 56m
8:25 am+1MAD

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
2:45 pmCLT
12h 5m
ORD · 1h 40m
8:50 am+1MAD

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
6:25 pmCLT
11h 55m
LHR · 1h 30m
12:20 pm+1MAD

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
3:00 pmCLT
10h 45m
IAD · 1h 40m
7:45 am+1MAD

One-way total · 1 adult · Taxes included

Make this trip yours

CLT ⇄ MAD

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, American 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

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 · one wayAmerican AirlinesAA748$942.502026-10-29T00:58:15Z
2026-12-21 · one wayUnited AirlinesUA3401 + UA51$845.002026-10-29T00:58:15Z
2026-12-21 · one wayAmerican AirlinesAA5543 + IB362$845.002026-10-29T00:58:15Z
2026-12-21 · one wayAmerican AirlinesAA3294 + IB346$845.002026-10-29T00:58:15Z
2026-12-21 · one wayAmerican AirlinesAA2509 + IB342$845.002026-10-29T00:58:15Z
2026-12-21 · one wayAmerican AirlinesAA730 + BA460$845.002026-10-29T00:58:15Z
2026-12-21 · one wayUnited AirlinesUA3405 + UA260$845.002026-10-29T00:58:15Z

2026-12-21 · one way · $942.50

  • American Airlines AA748: CLT 2026-12-21 15:55:00 → MAD 2026-12-22 05:45:00; nonstop; 470 minutes. Local airport times.

2026-12-21 · one way · $845.00

  • United Airlines UA3401 / UA51: CLT 2026-12-21 15:22:00 → MAD 2026-12-22 09:30:00; 1 stop(s) via EWR; 728 minutes. Local airport times.
    • UA3401: CLT 2026-12-21 15:22:00 → EWR 2026-12-21 17:30:00; layover at EWR: 150 minutes.
    • UA51: EWR 2026-12-21 20:00:00 → MAD 2026-12-22 09:30:00.

2026-12-21 · one way · $845.00

  • American Airlines AA5543 / IB362: CLT 2026-12-21 13:22:00 → MAD 2026-12-22 07:30:00; 1 stop(s) via IAD; 728 minutes. Local airport times.
    • AA5543: CLT 2026-12-21 13:22:00 → IAD 2026-12-21 14:53:00; layover at IAD: 177 minutes.
    • IB362: IAD 2026-12-21 17:50:00 → MAD 2026-12-22 07:30:00.

2026-12-21 · one way · $845.00

  • American Airlines AA3294 / IB346: CLT 2026-12-21 15:26:00 → MAD 2026-12-22 08:25:00; 1 stop(s) via BOS; 659 minutes. Local airport times.
    • AA3294: CLT 2026-12-21 15:26:00 → BOS 2026-12-21 17:39:00; layover at BOS: 116 minutes.
    • IB346: BOS 2026-12-21 19:35:00 → MAD 2026-12-22 08:25:00.

2026-12-21 · one way · $845.00

  • American Airlines AA2509 / IB342: CLT 2026-12-21 14:45:00 → MAD 2026-12-22 08:50:00; 1 stop(s) via ORD; 725 minutes. Local airport times.
    • AA2509: CLT 2026-12-21 14:45:00 → ORD 2026-12-21 16:00:00; layover at ORD: 100 minutes.
    • IB342: ORD 2026-12-21 17:40:00 → MAD 2026-12-22 08:50:00.

2026-12-21 · one way · $845.00

  • American Airlines AA730 / BA460: CLT 2026-12-21 18:25:00 → MAD 2026-12-22 12:20:00; 1 stop(s) via LHR; 715 minutes. Local airport times.
    • AA730: CLT 2026-12-21 18:25:00 → LHR 2026-12-22 07:20:00; layover at LHR: 90 minutes.
    • BA460: LHR 2026-12-22 08:50:00 → MAD 2026-12-22 12:20:00.

2026-12-21 · one way · $845.00

  • United Airlines UA3405 / UA260: CLT 2026-12-21 15:00:00 → MAD 2026-12-22 07:45:00; 1 stop(s) via IAD; 645 minutes. Local airport times.
    • UA3405: CLT 2026-12-21 15:00:00 → IAD 2026-12-21 16:30:00; layover at IAD: 100 minutes.
    • UA260: IAD 2026-12-21 18:10:00 → MAD 2026-12-22 07:45:00.

More dates for this route