How to Use AI to Find the Cheapest Flights to Medellín (Step by Step)

I use AI to plan my flight strategy before searching a single booking site. Here are the exact prompts, timing tricks, and airline comparisons that saved me $133 on my last trip.

Airplane window view — finding cheap flights to Medellín Colombia

I've flown to Medellín from the US probably a dozen times by now. The price difference between a good deal and a bad one can be $300-500 roundtrip — sometimes more. Early on, I was doing the usual thing: checking Google Flights, scrolling through Skyscanner, setting a couple of price alerts and hoping. It worked okay.

Then I started using AI to actually research flights — not just search for them, but strategize about when, where, and how to book. The results were noticeably better. Not because AI found some secret fare nobody else can see, but because it helped me ask better questions and think about the problem differently.

Here's exactly how I do it now, step by step.

🤖 AI Tools You Can Use (All Free)

  • Claude (claude.ai) — by Anthropic. Best for detailed analysis and honest answers. Free tier available.
  • ChatGPT (chatgpt.com) — by OpenAI. Fast, great for follow-up questions. Free tier available.
  • Gemini (gemini.google.com) — by Google. Good for quick research. Free.

Step 1: Ask AI for the Cheapest Months and Days

Before you even open a flight search engine, open Claude (claude.ai), ChatGPT (chatgpt.com), or Gemini (gemini.google.com) — any of these work. Ask it this: "What are historically the cheapest months to fly from [your city] to Medellín?" Then follow up with: "What days of the week are cheapest for this route?"

The answers are genuinely useful. For example, Claude told me that Tuesday and Wednesday departures are consistently 15-30% cheaper than Friday or Sunday on US-to-Medellín routes. It also flagged that January and early February tend to spike because of high season, while September and late October are usually the cheapest months.

This isn't information you can easily get from Google Flights. Google Flights shows you prices for specific dates — AI gives you the patterns across months and years.

Step 2: Find the Best Connecting Cities

Direct flights to Medellín (MDE — José María Córdova airport in Rionegro) are limited. From the US, you're mostly looking at Miami, Fort Lauderdale, New York (JFK), and Houston for direct options on airlines like Avianca, Spirit, JetBlue, and American.

But here's where AI gets useful. Go to claude.ai or chatgpt.com and ask: "What are the cheapest connecting cities for flights from [my city] to Medellín?" AI can analyze route patterns and tell you things like:

  • Bogotá (BOG) is the most common connection point — sometimes it's cheaper to book a flight to Bogotá and then a separate domestic flight on Wingo or Avianca
  • Fort Lauderdale (FLL) often has cheaper fares than Miami despite being 30 minutes away
  • Panama City (PTY) via Copa Airlines sometimes undercuts direct US routes by $100+
  • Mexico City (MEX) can be a surprisingly cheap routing on Volaris + Avianca

I asked Claude to compare a two-ticket strategy (US → Bogotá on one airline + Bogotá → Medellín on Wingo) versus a single ticket. It walked me through the pros (often $80-150 cheaper), cons (no luggage transfer, risk if first flight delays), and when it makes sense (leisure travel with flexible timing, not tight connections).

Step 3: Use AI to Build Your Search Strategy

Airport departure board showing flight connections
Planning your route is half the battle — Photo: Pexels

This is where most people stop: they search one route on one website. Open your AI tool of choice — Claude at claude.ai or ChatGPT at chatgpt.com — and ask something like:

"I need to fly from Chicago to Medellín between March 10-15, returning March 24-28. I'm flexible by a few days. What's my best strategy to find the cheapest fare?"

A good AI response will tell you to:

  1. Check Google Flights first — use the "date grid" view to see prices across your flexible range. Turn on "any number of stops" and compare.
  2. Check Skyscanner with "whole month" view — sometimes Skyscanner finds fares Google misses, especially on smaller carriers like Wingo.
  3. Look at the two-ticket strategy — search Chicago → Bogotá separately, then Bogotá → Medellín on Wingo (often $30-60 one-way). Add the totals and compare.
  4. Check Spirit and Frontier base fares — they fly to Colombian airports from Florida. Sometimes a Spirit flight to Fort Lauderdale + JetBlue to Medellín beats a single booking.
  5. Set Google Flights price alerts for your top 2-3 date combinations and wait 1-2 weeks before booking. Prices fluctuate.

That's a strategy, not just a search. AI helped me think about it systematically instead of just plugging dates into one website.

Step 4: Ask AI to Decode Airline Pricing

Here's something I never thought to ask until recently. I opened Claude (claude.ai) and typed: "Why is this flight $380 on Tuesday but $520 on Wednesday for the same route?" AI explained demand-based pricing, fare classes, and how airlines bucket their seats into different price tiers.

More practically, I asked: "If I see a Medellín flight for $320 roundtrip from Miami in September, should I book now or wait?" Claude walked me through the booking window sweet spot — typically 3-8 weeks before departure for international flights to Colombia. Too early and prices are inflated. Too late and you're competing with last-minute business travelers.

It also explained something I didn't know: some airlines release cheaper fares on Tuesday evenings (US Eastern time) after analyzing weekend booking data. Whether that's consistently true is debatable, but checking prices Tuesday evening vs Saturday afternoon has shown me different prices more than once.

Step 5: Ask About Hidden Costs

The $180 Spirit fare to Medellín looks amazing until you add bags. Open Claude (claude.ai) or ChatGPT (chatgpt.com) and ask: "What are the total costs including one checked bag for [airline] flying [route]?" It'll calculate the actual all-in price.

For Medellín flights specifically, here's what AI helped me understand about each airline:

AirlineBase Fare Range (RT)Checked BagNotes
Spirit$180-350$65-80 RTCheapest base, most fees
Avianca$280-500Included (most fares)Direct flights, bags included
JetBlue$250-450$35-70 RTGood legroom, free carry-on
American$300-550Included (most fares)Frequent connections via Miami
Copa$280-480IncludedVia Panama City, long layover
Wingo$30-80 one-way$15-25Domestic only (BOG→MDE)

When you add bags to Spirit, it's often the same price as Avianca or JetBlue — which include bags and have much better service. AI helped me see past the headline fare.

Step 6: The Actual Prompts That Work

Here are the exact prompts I use. Copy and paste these into ChatGPT, Claude, or whatever AI you prefer:

Prompt 1 — Route Strategy:

"I need to fly from [city] to Medellín, Colombia. I'm flexible with dates in [month]. What's the cheapest strategy — direct, connecting through Bogotá, or splitting into two tickets? Compare all options with approximate prices."

Prompt 2 — Timing:

"When is the cheapest time to book a flight from [city] to Medellín? How far in advance should I book? What days of the week are cheapest to fly?"

Prompt 3 — Total Cost:

"Compare the total cost (including one checked bag) of flying Spirit vs Avianca vs JetBlue from Miami to Medellín roundtrip. Which is actually cheapest when you add all fees?"

Prompt 4 — Error Fares:

"What tools or websites track error fares and deals for flights to Colombia? How can I set up alerts specifically for flights to Medellín?"

Step 7: Set Up a Multi-Source Alert System

After AI helps you figure out your strategy, set up alerts across multiple sources:

  • Google Flights — set price tracking for your top 2-3 date ranges
  • Skyscanner — set alerts for the "whole month" view
  • Scott's Cheap Flights / Going — subscribe for deal alerts to Colombia specifically
  • Secret Flying — tracks error fares and mistake pricing globally
  • Avianca newsletter — they run flash sales to Colombian cities 3-4 times a year

Then go to claude.ai or chatgpt.com and ask: "I'm getting these price alerts for Medellín flights. I see $320 on Avianca for September and $290 on Spirit for October. Which should I book and why?" It'll analyze the total value, not just the sticker price.

What AI Can't Do

Let me be clear about the limits:

  • AI can't see live prices. It doesn't search Google Flights in real-time. It gives you strategy, patterns, and analysis — you still need to search the actual booking sites yourself.
  • AI's price data can be outdated. Don't trust specific dollar amounts from AI. Use them as ballpark estimates and verify on the booking site.
  • AI can't book for you. Once you find the fare, you book it yourself on the airline's website or through a booking engine.
  • AI doesn't know about flash sales. A 24-hour Avianca sale won't show up in AI. That's why you need the alert system running separately.

Think of AI as your flight strategy consultant. It does the thinking. Google Flights does the searching. You do the booking.

My Best Medellín Flight Deal So Far

$247 roundtrip from Miami on JetBlue, mid-September, booked 5 weeks out. I found it because AI told me September is historically the cheapest month, Tuesday departures save money, and JetBlue often undercuts Spirit on all-in cost when you factor in bags. I checked Google Flights on a Tuesday evening, saw the fare, and booked it within an hour.

Without the AI strategy session beforehand, I probably would have booked a $380 Avianca flight two months earlier and thought I got a decent deal. The $133 I saved paid for a week of groceries in Medellín.

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Preguntas Frecuentes

❓ Can AI actually find cheaper flights than Google Flights?

Not directly — AI doesn't search live prices. But it helps you build a better search strategy: which days to fly, which airlines to compare, whether to split tickets, and when to book. The strategy is what saves you money, not the search itself.

❓ What's the cheapest airport to fly into near Medellín?

MDE (José María Córdova in Rionegro) is the only international airport for Medellín. However, flying into BOG (Bogotá) and connecting domestically on Wingo ($30-60 one-way) is sometimes cheaper than a direct flight to MDE, depending on your origin city.

❓ How far in advance should I book flights to Medellín?

The sweet spot is typically 3-8 weeks before departure for the best prices. Booking too early (3+ months) often means higher prices, and last-minute fares are unpredictable. Set price alerts and watch for dips in that window.

❓ Is it cheaper to fly to Medellín or Bogotá?

Bogotá usually has more airline competition and slightly lower fares from US cities. If you add a $40-60 Wingo domestic flight from Bogotá to Medellín, it can still be cheaper than flying direct to MDE — especially from cities without direct Medellín routes.

❓ Which AI tool is best for flight research?

Claude and ChatGPT both work well for strategy and analysis. Neither can search live prices — for that, use Google Flights, Skyscanner, and direct airline websites. The AI gives you the strategy; the search engines give you the prices.

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