A powerful Python library that provides programmatic access to Google Flights data with an elegant CLI interface. Search flights, find the best deals, and filter results with ease.
How to install fli?
punitarani/fli
$git clone https://github.com/punitarani/fliInstalls into the current project.
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Install fli by running `git clone https://github.com/punitarani/fli`, then use it for the current task and follow its documentation at https://github.com/punitarani/fli.
README.md
| 1 | # 🛫 Fli - Flight Search MCP Server and Library |
| 2 | |
| 3 | [](https://deepwiki.com/punitarani/fli) |
| 4 | |
| 5 | A powerful Python library that provides programmatic access to Google Flights data with an elegant CLI interface. Search |
| 6 | flights, find the best deals, and filter results with ease. |
| 7 | |
| 8 | > 🚀 **What makes `fli` special?** |
| 9 | > Unlike other flight search libraries that rely on web scraping, Fli directly interacts with Google Flights' API |
| 10 | > through reverse engineering. |
| 11 | > This means: |
| 12 | > |
| 13 | > * **Fast**: Direct API access means faster, more reliable results |
| 14 | > * **Zero Scraping**: No HTML parsing, no browser automation, just pure API interaction |
| 15 | > * **Reliable**: Less prone to breaking from UI changes |
| 16 | > * **Modular**: Extensible architecture for easy customization and integration |
| 17 | |
| 18 | ## MCP Server |
| 19 | |
| 20 | ```bash |
| 21 | pipx install flights |
| 22 | |
| 23 | # Run the MCP server on STDIO |
| 24 | fli-mcp |
| 25 | |
| 26 | # Run the MCP server over HTTP (streamable) |
| 27 | fli-mcp-http # serves at http://127.0.0.1:8000/mcp/ |
| 28 | ``` |
| 29 | |
| 30 |  |
| 31 | |
| 32 | ### Connecting to Claude Desktop |
| 33 | |
| 34 | ```json |
| 35 | { |
| 36 | "mcpServers": { |
| 37 | "fli": { |
| 38 | "command": "/Users/<user>/.local/bin/fli-mcp" |
| 39 | } |
| 40 | } |
| 41 | } |
| 42 | ``` |
| 43 | |
| 44 | > **Note**: Replace `<user>` with your actual username. |
| 45 | > You can also find the path to the MCP server by running `which fli-mcp` in your terminal. |
| 46 | |
| 47 | ### MCP Tools Available |
| 48 | |
| 49 | The MCP server provides two main tools: |
| 50 | |
| 51 | | Tool | Description | |
| 52 | |----------------------|-------------------------------------------------------------| |
| 53 | | **`search_flights`** | Search for flights on a specific date with detailed filters | |
| 54 | | **`search_dates`** | Find the cheapest travel dates across a flexible date range | |
| 55 | |
| 56 | #### `search_flights` Parameters |
| 57 | |
| 58 | | Parameter | Type | Description | |
| 59 | |---------------------|--------|-------------------------------------------------------------| |
| 60 | | `origin` | string | Departure airport IATA code(s) — comma-separated for multi | |
| 61 | | `destination` | string | Arrival airport IATA code(s) — comma-separated for multi | |
| 62 | | `departure_date` | string | Travel date in YYYY-MM-DD format | |
| 63 | | `return_date` | string | Return date for round trips (optional) | |
| 64 | | `cabin_class` | string | ECONOMY, PREMIUM_ECONOMY, BUSINESS, or FIRST | |
| 65 | | `max_stops` | string | ANY, NON_STOP, ONE_STOP, or TWO_PLUS_STOPS | |
| 66 | | `departure_window` | string | Time window in 'HH-HH' format (e.g., '6-20') | |
| 67 | | `airlines` | list | Filter by airline codes (e.g., ['BA', 'AA']) | |
| 68 | | `exclude_airlines` | list | Airline IATA codes to **exclude** (e.g., ['DL', 'B6']) | |
| 69 | | `alliance` | list | Restrict to alliances: ONEWORLD, SKYTEAM, STAR_ALLIANCE | |
| 70 | | `exclude_alliance` | list | Alliance names to **exclude** from results | |
| 71 | | `min_layover` | int | Minimum layover duration in minutes (multi-stop only) | |
| 72 | | `max_layover` | int | Maximum layover duration in minutes (multi-stop only) | |
| 73 | | `currency` | string | ISO 4217 code (e.g. 'EUR', 'JPY') — flows to `curr=` param | |
| 74 | | `language` | string | BCP-47 language code (e.g. 'en-GB') — flows to `hl=` param | |
| 75 | | `country` | string | ISO 3166-1 alpha-2 country code (e.g. 'GB') for `gl=` param | |
| 76 | | `sort_by` | string | CHEAPEST, DURATION, DEPARTURE_TIME, or ARRIVAL_TIME | |
| 77 | | `passengers` | int | Number of adult passengers | |
| 78 | |
| 79 | #### `search_dates` Parameters |
| 80 | |
| 81 | | Parameter | Type | Description | |
| 82 | |---------------------|--------|-------------------------------------------------------------| |
| 83 | | `origin` | string | Departure air |
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