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flight-search-strategy

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Canonical multi-source flight search strategy. Source priority (Duffel, Ignav, Google Flights, Skiplagged, Kiwi, Seats.aero, Southwest), parallel workflow, market selection for international price arbitrage.

plugins/travel-hacking-toolkit/skills/flight-search-strategy/SKILL.md

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# Flight Search Strategy

## Search ALL Sources for EVERY Flight Search

This is not a pick-one list. Each source returns different results, different prices, and different airlines. Missing a source means missing options. The priority order determines which price to trust when sources disagree, not which sources to skip.

| Priority | Source | Strengths | Blind Spots |
|----------|--------|-----------|-------------|
| 1 | **Duffel** (skill) | Most accurate cash prices. Real GDS per-fare-class data. Bookable. | No Southwest. No award pricing. Offers expire in 15-30 min. |
| 2 | **Ignav** (skill) | Fast REST API. Market selection for price arbitrage. Free. | No Southwest. No award pricing. |
| 3 | **Google Flights** (skill, agent-browser) | Covers ALL airlines including Southwest cash prices. Free. Economy/business comparison. | Prices can be inflated vs GDS. No points pricing. |
| 4 | **Skiplagged** (MCP) | Hidden city fares. Zero config. | No Southwest. Can be noisy on small markets. |
| 5 | **Kiwi.com** (MCP) | Virtual interlining (creative cross-airline routings). Zero config. | Returns garbage on small markets. No Southwest. |
| 6 | **Seats.aero** (skill) | Award flight availability across 25+ programs. The crown jewel for points. | Cached data, not live. No cash prices. No Southwest. |