SerpApi Flights (Google Flights)

Query Google Flights via SerpApi for flight schedules, prices, and cabin class info. Use when user asks about flight/机票/航班 prices, schedules, or comparisons.

Query real-time flight data from Google Flights via SerpApi. Returns airline, flight number, times, prices, aircraft type, and cabin class info.

Setup

export SERPAPI_KEY=your_api_key

Free tier: 100 searches/month at serpapi.com

Query Flights

node {baseDir}/scripts/query.mjs <FROM> <TO> [-d YYYY-MM-DD] [options]

FROM/TO can be IATA codes (HKG, PVG) or Chinese city names (香港, 上海).

Examples

# Basic query
node {baseDir}/scripts/query.mjs HKG PVG -d 2026-02-25

# Business class
node {baseDir}/scripts/query.mjs HKG PVG -d 2026-02-25 -c 3

# All cabin classes (economy + business)
node {baseDir}/scripts/query.mjs HKG PVG -d 2026-02-25 --all

# Direct flights only
node {baseDir}/scripts/query.mjs 香港 上海 -d 2026-02-25 --direct

# Round trip
node {baseDir}/scripts/query.mjs HKG PVG -d 2026-02-25 -r 2026-03-01

# JSON output
node {baseDir}/scripts/query.mjs HKG PVG -d 2026-02-25 --json

Options

• -d, --date <YYYY-MM-DD>: Departure date (default: today)
• -r, --return <YYYY-MM-DD>: Return date (makes it round-trip)
• -c, --class <1-4>: 1=economy, 2=premium economy, 3=business, 4=first
• --all: Query economy + business together
• -a, --adults <n>: Passengers (default: 1)
• --direct: Non-stop flights only
• --currency <code>: Currency (default: CNY)
• --json: Raw JSON output

Output Columns

Column	Meaning
航空公司	Airline name
航班号	Flight number
出发→到达	Departure → arrival time (+1 = next day)
飞行时间	Total duration
经停	Non-stop or number of stops
价格	Price in specified currency
机型	Aircraft type
延误	⚠️ = often delayed >30min

Supported Cities (Chinese)

北京 上海 广州 深圳 成都 重庆 杭州 南京 武汉 西安 长沙 昆明 厦门 青岛 大连 天津 郑州 沈阳 哈尔滨 海口 三亚 贵阳 南宁 福州 济南 合肥 太原 乌鲁木齐 兰州 珠海 温州 宁波 无锡 揭阳/潮汕/汕头 香港 澳门 台北

Notes

• Prices from Google Flights, may differ from airline direct prices
• No seat availability/remaining tickets (Google Flights limitation)
• Some flights show "待查" price when Google doesn't have pricing
• ⚠️ delay indicator based on historical data