List of the busiest airports in Thailand
Methodology
The busiest airports in Thailand are measured according to data posted by AOT and by the DOA. A "passenger" is defined as a person who departs, arrives, or transits through any airport inside Thailand at any point during a reporting year.

List of the busiest airports in Thailand

Section Title: Methodology
Table Section Text: The busiest airports in Thailand are measured according to data posted by AOT and by the DOA. A "passenger" is defined as a person who departs, arrives, or transits through any airport inside Thailand at any point during a reporting year.

#	Airport Name	Location	Provinces Served	IATA	ICAO	2018	2017	2016	2015	2014	2013	2012	2011	2010	2009

1	Suvarnabhumi Airport	Bang Phli, Samut Prakan	Samut Prakan, Bangkok	BKK	VTBS	63,378,923	60,860,704	55,892,428	52,902,110	46,423,352	51,363,451	53,002,328	47,910,904	42,784,967	40,500,224

2	Don Mueang Airport	Don Mueang, Bangkok	Bangkok, Nonthaburi, Pathumthani	DMK	VTBD	40,758,148	38,299,757	35,203,757	30,304,183	21,546,568	16,479,227	5,983,141	3,424,900	2,999,867	2,466,997

3	Phuket Airport	Thalang, Phuket	Phuket	HKT	VTSP	18,221,764	16,855,637	15,107,185	12,859,356	11,401,498	11,342,491	9,541,552	8,467,860	7,043,783	5,779,918

4	Chiang Mai Airport	Chiang Mai, Chiang Mai	Chiang Mai, Lamphun	CNX	VTCC	10,989,402	10,230,070	9,446,320	8,365,851	6,630,624	5,463,921	4,491,331	3,880,037	3,178,94	3,062,909

5	Hat Yai Airport	Khlong Hoi Khong, Songkhla	Songkhla, Pattani	HDY	VTSS	4,256,106	4,367,364	4,004,665	3,639,936	3,147,281	2,552,411	2,127,483	1,869,113	1,505,906	1,389,873

6	Krabi Airport	Nuea Khlong, Krabi	Krabi	KBV	VTSG	4,193,099	4,339,599	4,079,564	3,689,672	2,692,569	1,668,163	1,189,878	988,977	836,906	844,167

7	Samui Airport	Ko Samui, Surat Thani	Surat Thani	USM	VTSM	2,631,710	2,554,624	2,051,289	1,990,155	1,968,884	1,861,229	1,483,258	1,416,138	1,413,297

8	Udon Thani Airport	Udon Thani, Udon Thani	Udon Thani, Nong Khai	UTH	VTUD	2,651,242	2,577,524	2,350,005	2,213,689	1,682,709	1,325,302	1,184,517	1,011,881	816,602	722,587

9	Chiang Rai Airport	Chiang Rai, Chiang Rai	Chiang Rai, Phayao	CEI	VTCT	2,867,289	2,503,375	2,038,389	1,745,568	1,379,022	1,089,202	986,436	818,163	726,127	718,536

10	Surat Thani Airport	Phunphin, Surat Thani	Surat Thani	URT	VTSB	2,108,289	2,247,344	2,032,042	1,856,315	1,319,660	1,080,508	816,484	595,184	505,776	394,096

11	U-Tapao Airport	Ban Chang, Rayong	Rayong, Chonburi	UTP	VTBU	1,860,786	1,408,258	710,000	177,120	139,728	127,218	152,860	xxx,xxx	118,826	100,431

12	Ubon Ratchathani Airport	Ubon Ratchathani, Ubon Ratchathani	Ubon Ratchathani	UBP	VTUU	1,832,340	1,791,828	1,726,061	1,467,256	1,076,957	835,688	733,718	614,686	453,082	393,451

13	Khon Kaen Airport	Khon Kaen, Khon Kaen	Khon Kaen, Maha Sarakham, Kalasin	KKC	VTUK	1,819,013	1,703,209	1,499,562	1,280,185	947,867	592,252	523,340	456,119	391,421	397,645

14	Nakhon Si Thammarat Airport	Nakhon Si Thammarat, Nakhon Si Thammarat	Nakhon Si Thammarat	NST	VTSF	1,490,773	1,496,218	1,503,463	1,243,179	974,347	950,133	725,858	654,956	406,792	297,257

15	Trang Airport	Trang, Trang	Trang	TST	VTST	691,270	799,279	648,979	612,629	529,228	504,476	374,798	253,077	202,422	143,560

16	Phitsanulok Airport	Phitsanulok, Phitsanulok	Phitsanulok, Sukhothai, Uttaradit	PHS	VTPP	672,084	600,093	492,117	549,951	456,535	242,293	214,698	205,056	148,227	142,591

17	Nakhon Phanom Airport	Nakhon Phanom, Nakhon Phanom	Nakhon Phanom	KOP	VTUW	434,128	419,311	372,026	298,013	220,060	197,315	143,775	33,107	27,530	32,553

18	Roi Et Airport	Thawat Buri, Roi Et	Roi Et, Maha Sarakham	ROI	VTUV	431,785	395,601	334,955	284,667	69,930	60,588	38,501	15,798	629	11,719

19	Nan Nakhon Airport	Nan, Nan	Nan	NNT	VTCN	428,202	349,956	376,420	349,264	113,849	82,101	59,519	33,885	9,136	11,379

20	Sakon Nakhon Airport	Sakon Nakhon, Sakon Nakhon	Sakon Nakhon	SNO	VTUI	382,962	378,057	347,351	425,453	199,492	109,285	97,422	39,536	23,638	25,854

21	Buriram Airport	Satuek, Buriram	Buriram	BFV	VTUO	340,692	220,856	197,988	117,710	17,431	11,393	4,575	8,207	7,410	7,181

22	Lampang Airport	Lampang District, Lampang	Lampang	LPT	VTCL	268,638	280,062	290,420	261,428	120,520	77,905	55,958	22,343	18,574	28,625

23	Loei Airport	Loei, Loei	Loei	LOE	VTUL	262,906	270,284	261,274	234,419	55,204	41,894	22,451	10,304	884

24	Narathiwat Airport	Narathiwat, Narathiwat	Narathiwat	NAW	VTSC	216,856	258,864	241,721	162,413	111,328	111,891	104,612	116,478	105,152	79,802

25	Ranong Airport	Ranong, Ranong	Ranong	UNN	VTSR	214,250	121,484	102,228	90,206	59,706	30,004	7,397	3,185	1,453	10,579

26	Mae Sot Airport	Mae Sot, Tak	Tak, Myawaddy	MAQ	VTPM	193,329	180,094	174,612	144,598	96,330	87,454	34,212	12,854	1,853	1,827

27	Trat Airport	Laem Ngop, Trat	Trat	TDX	VTBO	95,406	92,107	80,981	81,246	68,866	61,739	81,756	76,077	67,326

28	Chumphon Airport	Pathio, Chumphon	Chumphon	CJM	VTSE	163,815	87,689	93,567	93,325	48,766	45,542	11,059	5,366	0	28

29	Phrae Airport	Phrae, Phrae	Phrae	PRH	VTCP	88,971	80,961	72,274	48,673	23,371	13,690	9,056	3,494	470

30	Sukhothai Airport	Sawankhalok, Sukhothai	Sukhothai	THS	VTPO	76,680	74,xxx	57,026	50,355	50,880	46,218	46,270	39,949	38,905

31	Mae Hong Son Airport	Mae Hong Son, Mae Hong Son	Mae Hong Son	HGN	VTCH	63,328	61,327	55,368	39,740	34,269	54,983	56,618	55,213	53,466	76,211

32	Hua Hin Airport	Hua Hin, Prachuap Khiri Khan	Prachuap Khiri Khan, Phetchaburi	HHQ	VTPH	34,779	2,780	12,076	11,437	10,559	9,900	764	0	92	1,266

33	Nakhon Ratchasima Airport	Chaloem Phra Kiat, Nakhon Ratchasima	Nakhon Ratchasima	NAK	VTUQ	10,671	6,975	89	3,155	9	186	552	949	0

34	Pai Airport	Pai, Mae Hong Son	Mae Hong Son, Mong Hsat	PYY	VTCI	1,779	2,110	6,046	5,481	4,289	3,913	3,883	5,014	8,961	9,979

35	Phetchabun Airport	Lom Sak, Phetchabun	Phetchabun	PHY	VTPB	1,082	0	0	76	7	16	105	0	0

Sentence(s)

Chiang Mai Airport is the fourth busiest airport in Thailand.

final_sentence: Chiang Mai Airport is the fourth busiest airport in Thailand.