Check for Bargain Flights and Get Notified using Amadeus and Gmail

This n8n workflow automates the process of finding bargain flights using the Amadeus API and sending email notifications via Gmail when suitable flights are found. It's designed to help you monitor flight prices for specific routes and get alerted to good deals.

What it does

1. Schedules Checks: The workflow runs on a defined schedule (e.g., daily, hourly) to check for new flight data.
2. Fetches Flight Data: It makes an HTTP request to an external API (likely Amadeus, given the context) to retrieve flight information.
3. Processes Flight Data: It uses a Code node to parse and process the raw flight data, extracting relevant details.
4. Filters for Bargains: It filters the retrieved flights based on a predefined condition (e.g., price below a certain threshold, specific dates, etc.) to identify bargain flights.
5. Loops Through Bargains: If multiple bargain flights are found, it iterates through each one.
6. Prepares Email Content: For each bargain flight, it prepares a structured message containing the flight details.
7. Sends Email Notifications: It sends an email via Gmail to a specified recipient with the details of the bargain flight.
8. Waits (Optional): After sending an email, it includes a short wait period, possibly to avoid rate limits or space out notifications.

Prerequisites/Requirements

• n8n Instance: A running n8n instance.
• Amadeus API Account: Access to the Amadeus flight search API (or a similar flight data API). You'll need API keys or credentials for the HTTP Request node.
• Gmail Account: A Gmail account configured as a credential in n8n for sending emails.

Setup/Usage

1. Import the Workflow:
   • Copy the provided JSON code.
   • In your n8n instance, go to "Workflows" and click "New".
   • Click the "Import from JSON" button and paste the copied JSON.
2. Configure Credentials:
   • HTTP Request Node (ID: 19): Update this node with your Amadeus API (or equivalent) endpoint, headers, and any necessary authentication (e.g., API key in headers or query parameters).
   • Gmail Node (ID: 356): Configure your Gmail credentials. If you haven't already, you'll need to create a new OAuth2 credential for Gmail in n8n.
3. Customize Workflow Nodes:
   • Schedule Trigger Node (ID: 839): Adjust the schedule to your preference (e.g., daily, every few hours).
   • Code Node (ID: 834): Modify the JavaScript code to parse the specific response structure of your chosen flight API and extract the data points you need (e.g., price, departureDate, arrivalDate, origin, destination, airline).
   • Filter Node (ID: 844): Define your bargain flight criteria. For example, you might set a condition like {{ $json.price < 200 }} or {{ $json.destination === 'London' }}.
   • Edit Fields (Set) Node (ID: 38): Customize the fields you want to include in your email notification. Ensure the data extracted by the Code node is mapped correctly here.
   • Gmail Node (ID: 356):
     • Set the To email address where you want to receive notifications.
     • Customize the Subject and Body of the email using expressions to include the flight details (e.g., Bargain Flight Alert: {{ $json.origin }} to {{ $json.destination }} for {{ $json.price }}!).
   • Wait Node (ID: 514): Adjust the wait time if necessary.
4. Activate the Workflow: Once configured, activate the workflow to start monitoring for bargain flights.