weekendflights

Cheapest weekend round-trip flight prices by route, with the time each price was last checked.

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What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Cheapest weekend round-trip flight prices by route, with the time each price was last checked.

    How to connect

    How to connect weekendflights to Claude

    The server address to paste into Claude settings:

    https://weekendflights.app/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect weekendflights to ChatGPT

    The server address to paste into ChatGPT settings:

    https://weekendflights.app/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect weekendflights to Cursor

    The server address to paste into Cursor settings:

    https://weekendflights.app/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (3)

    Raw names from tools/list. Only developers need these.

    list_originsReturns the departure airports (IATA) that have at least one priced weekend calendar, with the count of priced destinations per origin. Start here to learn what cheapest_weekends can answer at once. weekend_prices works for any airport pair and searches live when needed.
    weekend_pricesEvery weekend of the next 12 months for one origin-destination pair, with the cheapest round-trip price per weekend and the time the price was observed ("as_of"). Cached prices answer at once; weekends not priced yet are searched live during the call, the way a page visit searches them (usually 10-40 s, at most ~55 s). If the search does not finish, the answer says which weekends are still open and to call again. Takes every filter the route page has: trip shape (combo), cabin, stops, passengers, departure and return time windows, currency. Free: fri-sun, economy, any stops, any passenger mix, no time window. Pro session cookie: other combos, other cabins, time windows.
    cheapest_weekendsThe cheapest weekends from one origin across every destination that has a calendar under these filters, sorted by price. Optional month filter (yyyy-mm). Takes the same filters as weekend_prices. This tool reads what is already priced; it does not search every destination. A destination that is absent can be priced with one weekend_prices call for that pair. Pro only: this tool is Anywhere (every destination from one origin). Without Pro it answers pro_required with the Anywhere page url. One route at a time is free with weekend_prices.