September 2026 · Matan Rabi

SerpApi Google Flights alternative: specialist vs platform pricing

SerpApi is the first answer when someone asks "how do I get Google Flights data." It is a well-documented, reliable product with broad coverage across Google's surfaces. But for teams where flights are the product, not one feature among many, the math changes.

The platform: SerpApi

SerpApi covers dozens of Google engines: Search, Maps, Shopping, Hotels, Scholar, and more, all on one subscription and one shared credit pool. If you need multiple surfaces, that consolidation is genuinely valuable. One vendor, one bill, one integration to maintain.

For Google Flights specifically, their pricing on the Developer plan (as of their site, retrieved 2026-08-24) is $75/month for 5,000 searches, which works out to $0.015 per search. Round-trips are a two-request flow via departure_token, so a round-trip search costs two credits.

The specialist alternative

FlightPowers does flights and hotels only. No Google Search, no Maps, no other surfaces. That narrowness is the trade: you pay specialist prices for specialist data, but you cannot consolidate other Google surfaces onto the same key.

The cost-per-search comparison on published list prices: $0.0025 per search on the $25 ULTRA plan (10,000 requests), against SerpApi's $0.015 on Developer. Round-trips are a single POST /roundtrip request that returns paired legs and a combined total, so a round-trip costs one request instead of two.

When to choose SerpApi

You need more than flights. If your product also uses Google Search, Maps, Shopping, or other engines, paying for one platform instead of multiple specialist APIs is the right economic decision.
You want price history charted for you. SerpApi's price_insights includes a price_history array of [timestamp, price] pairs. If you need that time series without building it yourself, they hand it to you.
Multi-city itineraries matter. SerpApi documents multi-city search. FlightPowers supports one-way and round-trip only.
Your legal team values the indemnity clause. SerpApi advertises a U.S. Legal Shield with $2 million in coverage for scraping-related exposure. For some companies that clause ends the evaluation on its own.

When to choose a specialist

Flights are the product and unit economics matter. If you are running thousands of flight searches per month and no other Google surfaces, specialist pricing is 6× cheaper per search on comparable tiers.
Round-trips are a large share of your searches. One request for a paired result versus two requests with state to carry in between: the cost difference compounds with volume.
You scan date ranges in bursts. Per-minute rate limits (150 to 500 requests/min by tier) are sized for parallel date scans: a 30-date month in one burst, not a serial loop.
You are wiring data into an AI agent. First-party MCP servers for flights and hotels: point an MCP host at the server URL with your RapidAPI key and search becomes a native tool.

Cost comparison example

Suppose your product runs 8,000 flight searches per month, split evenly between one-way and round-trip. On SerpApi Developer: 4,000 one-way (4,000 credits) + 4,000 round-trip (8,000 credits, two per trip) = 12,000 credits required. Their Developer plan includes 5,000, so you are into overage or the next tier up.

On FlightPowers ULTRA ($25/month, 10,000 requests): 4,000 one-way + 4,000 round-trip = 8,000 requests, comfortably inside the plan. Total cost: $25. The unit price advantage is real.

Honest caveats

Two points in SerpApi's favour, worth stating plainly:

Their credits are fungible. A cost-per-search comparison understates what a SerpApi credit buys, because it works across all their engines. If you use those other engines, the comparison is incomplete.
They only count successful searches. From their FAQ: "Only successful searches are counted toward your monthly searches. Cached, errored, and failed searches are not." That is a customer-friendly billing policy.

The full breakdown

The comparison page goes deeper: feature-by-feature tables, round-trip mechanics, throughput guarantees versus rate limits, and more. If you are evaluating both, start there.

Read the full comparison →

Try it

The free tier on RapidAPI is 10 requests/month with no card required: enough to verify the key and see a response. For evaluation, the $10 PRO plan (2,500 requests) is the realistic floor.

curl · round-trip in one request

curl -X POST https://api.flightpowers.com/v1/flights/roundtrip \
  -H "x-api-key: $FLIGHTPOWERS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from_airport": "JFK",
    "to_airport": "LHR",
    "departure_date": "2026-10-15",
    "return_date": "2026-10-22"
  }'