The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Ryanair Holdings PLC ADR is the larger company, worth $27.8B, about 1.4 times Southwest Airlines.
  • Southwest Airlines grew revenue faster over the last year (+16.4% vs +3.8%).
  • Ryanair Holdings PLC ADR keeps more of each dollar of revenue as operating profit (11.2% vs 3.5%).
  • On earnings, Ryanair Holdings PLC ADR is the cheaper stock (11.3x vs 26.3x).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureLUVRYAAY
Market cap$19.3B$27.8B
Share price$41.66$54.24
Revenue (last fiscal year)$28.1B$13.9B
Free cash flow (last fiscal year)-$831M$1.9B
Revenue growth, last year+16.4%+3.8%
Revenue growth per year, last 5 fiscal years+15.5%+70.9%
Operating margin3.5%11.2%
Net margin2.8%11.6%
Return on equity11.8%22.9%
P/E (trailing)26.3x11.3x
Price / free cash flow—14.9x
EV / EBITDA8.58x5.53x
FCF growth the price implies——
Dividend yield1.8%1.8%
Debt / equity3.25x1.49x
Fundamental gradeDC
Superinvestors holding it66
Insider purchases, last 12 months00

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Southwest Airlines

YearRevenueFree cash flowOp. margin
2021$15.8B$1.8B10.9%
2022$23.8B-$134M4.3%
2023$26.1B-$356M0.86%
2024$27.5B-$1.6B1.2%
2025$28.1B-$831M1.5%

Ryanair Holdings PLC ADR

YearRevenueFree cash flowOp. margin
2021$1.6B-$2.7B-51.3%
2022$4.8B$759M-7.1%
2023$10.8B$2.0B13.4%
2024$13.4B$766M15.3%
2025$13.9B$1.9B11.2%

Where the revenue comes from

Southwest Airlines · by products, 2025

Passenger$25.5B91%
Other$2.4B8%
Freight$171M1%

Ryanair Holdings PLC ADR · by segments, 2026

Ryanair DAC$16.2B91%
Other Airlines$1.7B9%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open LUV in Investingly

Questions

Which is bigger, Southwest Airlines or Ryanair Holdings PLC ADR?

Ryanair Holdings PLC ADR (RYAAY), at $27.8B against $19.3B.

Is LUV or RYAAY cheaper?

By trailing P/E, Ryanair Holdings PLC ADR (11.3x) is cheaper than Southwest Airlines (26.3x). A lower multiple can also mean the market expects less growth.

Which grows faster, LUV or RYAAY?

Southwest Airlines: revenue grew +16.4% over the last year, against +3.8%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.