Airlines & AviationSilver report

Published October 2025Insight Research13 min read2025-202710 sources, 5 primary-gradeStrong source depth

Thailand AOT: Dual-Till Economics and 2027 Concession Cliff

AOT (SET: AOT) FY2024 net profit THB 19.18B (+118% YoY). 1H FY2024: 61.22M passengers, 300,000 flights, net profit THB 10.35B (+370%). Dual-till regulatory model and the 2027 King Power concession-renegotiation cliff define AOT's FY2025-FY2030 economics.

Key takeaways

1
AOT FY2024 net profit (+ YoY from FY2023).
2
1H FY2024: 300,000 flights, passengers, net profit (+ YoY); revenue (+).
3
Aeronautical revenue + and non-aeronautical + in 1H FY2024 — non-aeronautical recovery is the larger lever.
4
Non-aeronautical revenue is dominated by the King Power duty-free, retail, and F&B concession.
5
2027 concession-renegotiation cliff is the binding 5-year strategic question; AOT's post-cliff dual-till economics define FY2026-FY2030.

Questions this report answers

What is AOT's earnings trajectory through the 2027 King Power concession cliff? FY2024 net profit recovered to (+); FY2025 sustains the pace per DBS; the structural question is whether the 2027 concession renegotiation lifts non-aeronautical revenue above the current run-rate or compresses it.

How does the dual-till regulatory model split aeronautical vs non-aeronautical revenue, and which is more defensible? Aeronautical (landing, take-off, parking fees) is regulated by CAAT; non-aeronautical (concessions, retail, F&B) is more market-priced. The 1H FY2024 + aeronautical / + non-aeronautical split shows non-aeronautical has stronger recovery operating leverage.

What's the King Power concession cliff worth, and what are the renegotiation scenarios? The current King Power agreement covers Suvarnabhumi, Don Mueang, and provincial airports through 2027. AOT can either renegotiate at higher revenue-share rates, split the concession across operators, or build operating capability in-house. Each path has different earnings implications.

How does AOT compare to Asian airport-operator peers (HK Airport Authority, Changi, Incheon)? AOT's 6-airport portfolio gives broader Thai-tourism exposure than any peer; non-aeronautical share is higher than Changi or Incheon, making the King Power concession more economically pivotal than peer concessions are at peer airports.

Buyer-question framing anchored on FY2024 results and DBS post-cliff scenario read.

Data as of: 2025-Q3

Executive summary

Airports of Thailand (SET: AOT) closed FY2024 with net profit of — a increase over the reported in FY2023 (Travel And Tour World coverage). The recovery played out steadily through the year: 1H FY2024 delivered net profit (+ YoY) on revenue of (+), and FY2024 reached net profit (+) on revenue of (+) per Nation Thailand reporting.^{[, , ]}

The recovery composition matters more than the headline. 1H FY2024 aeronautical revenue grew on rising passenger and flight volumes; non-aeronautical revenue grew as concession-based revenue (King Power duty-free, retail, F&B) recovered faster than capacity. The non-aeronautical lever is the larger driver — and it sits inside the King Power concession that runs through 2027. AOT's 1H FY2024 release confirmed the 300,000 flights and passenger volumes that anchor the operating leverage.^{[, ]}

DBS Group Research's February 2025 update flagged the 2027 concession-renegotiation as the binding strategic variable. The renegotiation can lift earnings (higher revenue-share rates as airports normalise above 2019 traffic), compress earnings (concession terms favour the operator if AOT moves away from the existing structure), or split between scenarios depending on whether AOT keeps King Power as sole concessionaire or fragments the agreement.^{[, ]}

AOT FY2024 / 1H / 9M releases, DBS, ACI

Data as of: 2025-Q3

AOT net profit trajectory (THB billion, FY2022-FY2024)

FY2022

Net profit (THB B)

(11.0)

Context

COVID trough; loss; recovery starts late-year

FY2023

Net profit (THB B)

8.79

Context

Recovery accelerates; tourism return; concessions reactivated

FY2024

Net profit (THB B)

19.18

Context

+118% YoY; 1H non-aeronautical +87%; King Power concession recovery dominant

Fiscal year	Net profit (THB B)	Context
FY2022	(11.0)	COVID trough; loss; recovery starts late-year
FY2023	8.79	Recovery accelerates; tourism return; concessions reactivated
FY2024	19.18	+118% YoY; 1H non-aeronautical +87%; King Power concession recovery dominant

AOT FY2024 results coverage, AOT IR; FY2022 figure approximate from prior reporting

Data as of: FY2024 (Oct 2023 - Sep 2024)

Analyst framing

Why this report matters

AOT is the FY2024 cycle-recovery trade with a binding 2027 concession-renegotiation catalyst. Non-aeronautical revenue (King Power) is the larger lever and the 2027 cliff is the binary outcome. The dual-till regulatory dynamic plus the 6-airport portfolio plus King Power renegotiation define a clean strategic frame for FY2025-FY2030.

Dual-till economics and the King Power lever

The dual-till regulatory model splits AOT revenue into two pools. Aeronautical (landing fees, take-off fees, parking, ground-handling charges, passenger service charges) is regulated by CAAT (Civil Aviation Authority of Thailand) under formal tariff frameworks — earnings-power is more predictable but also more price-capped. Non-aeronautical (duty-free, retail, F&B, parking, advertising, lounge concessions) is more market-priced; AOT and operators set commercial terms within concession agreements.

King Power is the dominant concessionaire on the non-aeronautical side. The 1H FY2024 +86.51% non-aeronautical growth reflects King Power's duty-free, retail, and F&B operations at Suvarnabhumi (the dominant Thai international gateway), Don Mueang, and provincial airports. King Power pays AOT a percentage of revenue — meaning AOT captures concession upside as Thai inbound tourism recovers without operating the duty-free business directly.

The 2027 cliff is structural. The King Power concession runs through 2027; renegotiation timing is firm. AOT can: 1) renew with King Power at higher revenue-share rates (most likely if traffic remains strong); 2) split the concession across multiple operators (more competitive but operationally complex); 3) bring some categories in-house (highest capital intensity). Each path implies a different post-2027 earnings-power profile.

2027 concession-renegotiation scenarios

Bull: King Power renews at higher rates

Net profit FY2030 ~THB 30B+

Tourism normalisation continues; King Power renegotiates at higher revenue-share rates; AOT compounds at 8-10% CAGR through 2030 with non-aeronautical lift.

Base case: balanced renewal

Net profit FY2030 ~THB 25B

Renewal at modestly higher rates; aeronautical grows with passenger volumes; non-aeronautical normalises above pre-pandemic but below bull case.

Bear: concession fragmentation underperforms

Net profit FY2030 ~THB 18B

Multi-operator split creates execution friction; non-aeronautical revenue compressed below King Power-only economics; or in-house pivot raises capex without lifting net margin.

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