Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Mar. 20, 2024	Jun. 30, 2023
Entity Listings [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-39119
Entity Registrant Name	Leafly Holdings, Inc. /DE
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-2266022
Entity Address, Address Line One	113 Cherry Street, PMB 8815
Entity Address, City or Town	Seattle
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98104-2205
City Area Code	206
Local Phone Number	455-9504
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction	false
Entity Shell Company	false
Entity Public Float			$ 11.0
Entity Common Stock, Shares Outstanding		2,301,495
Entity Central Index Key	0001785592
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Auditor Firm ID	688
Auditor name	Marcum llp
Auditor location	San Jose, California
Amendment Flag	false
Common Stock, $0.0001 Par Value
Entity Listings [Line Items]
Title of 12(b) Security	Common Stock, $0.0001 Par Value
Trading Symbol	LFLY
Security Exchange Name	NASDAQ
Warrants, exercisable for shares of common stock at an exercise price of $11.50 per share
Entity Listings [Line Items]
Title of 12(b) Security	Warrants, exercisable for shares of common stockat an exercise price of $230.00 per share
Trading Symbol	LFLYW
Security Exchange Name	NASDAQ