International Airlines Group (IAG-L)
FTSE 100 · Travel & leisure · data since 2003-01-02 · last close 2026-09-09
International Airlines Group (IAG-L) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.9 | 1.3 | -17.4 | 6.5 | 15.5 | 11.0 | -9.6 | 1.5 | -5.3 | · | · | · |
| 2025 | 11.9 | 4.3 | -26.0 | -0.3 | 25.4 | 4.7 | 11.5 | 0.4 | 1.1 | 8.2 | -5.2 | 4.5 |
| 2024 | -4.5 | -0.5 | 20.0 | -0.9 | -2.1 | -5.3 | 2.2 | 10.4 | 12.3 | 2.7 | 23.7 | 15.8 |
| 2023 | 36.3 | -8.3 | -2.5 | 0.8 | 1.5 | 4.9 | 5.7 | -5.3 | -8.6 | -2.6 | 6.2 | 1.2 |
| 2022 | 9.5 | -4.8 | -4.3 | 1.2 | -11.3 | -15.7 | 10.3 | -8.9 | -12.5 | 28.4 | 10.6 | -7.9 |
| 2021 | -10.5 | 34.2 | 3.3 | 2.3 | -0.1 | -14.0 | -3.5 | -5.2 | 12.0 | -8.2 | -22.2 | 11.8 |
| 2020 | -8.9 | -17.1 | -54.4 | 3.2 | 3.0 | -2.8 | -25.9 | 31.3 | -56.1 | 1.5 | 59.9 | 3.6 |
| 2019 | 4.2 | -7.0 | -14.5 | 5.5 | -16.5 | 5.7 | -10.9 | -0.6 | 12.6 | 11.8 | 4.3 | 12.8 |
| 2018 | -1.7 | -4.0 | 0.0 | 2.5 | 8.0 | -2.4 | 6.9 | -2.7 | -4.4 | -8.6 | 3.7 | -1.2 |
| 2017 | 8.1 | 12.7 | -1.5 | 5.9 | 7.9 | 1.0 | -5.3 | 5.8 | -2.9 | 7.2 | -3.6 | 6.2 |
| 2016 | -11.6 | 1.8 | 0.8 | -5.2 | 2.0 | -30.9 | 9.7 | -5.7 | 4.1 | 8.9 | -0.2 | 1.7 |
| 2015 | 12.0 | 6.5 | 4.0 | -9.6 | 1.6 | -10.7 | 7.9 | 0.9 | 9.1 | -0.9 | -2.7 | 7.7 |
| 2014 | 3.8 | 4.9 | -4.5 | -3.1 | -2.6 | -5.9 | -10.7 | 9.2 | 1.6 | 11.5 | 11.8 | 6.3 |
| 2013 | 15.1 | 12.5 | 5.8 | 7.4 | 2.8 | -5.6 | 10.3 | -1.6 | 18.2 | 2.8 | 5.3 | 9.6 |
| 2012 | 20.2 | -7.3 | 8.9 | -1.4 | -21.4 | 15.0 | 0.3 | -11.4 | 5.1 | 8.3 | 4.6 | 9.5 |
| 2011 | -5.9 | -12.4 | 1.1 | 4.9 | -0.7 | 7.3 | -6.5 | -26.3 | -12.4 | 8.9 | -11.5 | -0.1 |
| 2010 | 10.3 | 2.4 | 15.1 | -6.0 | -11.9 | -2.6 | 12.0 | -4.4 | 15.7 | 11.5 | -5.6 | 6.6 |
| 2009 | -33.2 | 14.2 | 2.6 | 5.0 | 5.1 | -19.8 | 13.1 | 35.8 | 15.1 | -17.6 | 7.4 | -4.3 |
| 2008 | 7.2 | -22.4 | -9.0 | -3.3 | 2.6 | -7.4 | 18.6 | -1.7 | -33.0 | -19.1 | 14.0 | 15.9 |
| 2007 | 1.9 | -0.2 | -9.4 | 4.6 | -7.6 | -11.0 | -5.0 | 6.7 | -9.7 | 16.2 | -23.4 | -9.2 |
| 2006 | -2.5 | 0.9 | 7.5 | -4.8 | 1.3 | 0.7 | 12.9 | 6.1 | 4.0 | 7.6 | 7.2 | 7.0 |
| 2005 | 13.1 | 0.7 | -1.3 | -9.8 | 15.1 | -3.8 | 5.4 | -0.2 | 5.6 | 3.2 | 3.3 | 7.0 |
| 2004 | 31.2 | 3.6 | -12.5 | 2.2 | -10.0 | 8.4 | -16.2 | -2.9 | -7.4 | 3.7 | 3.1 | 5.9 |
| 2003 | -20.1 | -8.8 | -0.2 | 21.6 | 11.3 | 7.6 | 14.0 | 8.3 | -11.1 | 25.1 | 9.6 | 2.0 |
| Avg | 3.6 | 0.3 | -3.7 | 1.2 | 0.8 | -3.0 | 2.0 | 1.6 | -2.0 | 4.8 | 4.4 | 4.9 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
IAG-L seasonality — average by calendar month
International Airlines Group has monthly history back to 2003. Its strongest month by median is October — positive in 17 of 23 years, median +7.2%, and higher in 6 of the last 9. June is the soft spot, down in 14 of 24 with a median of -2.7%. Across its full record it has closed 58% of months higher, swings ±12.4% in an average month and has fallen 87.5% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +3.6% | +0.3% | -3.7% | +1.2% | +0.8% | -3.0% | +2.0% | +1.6% | -1.8% | +4.8% | +4.4% | +4.9% |
| Win rate | 62%/24 | 54%/24 | 42%/24 | 58%/24 | 58%/24 | 42%/24 | 62%/24 | 46%/24 | 57%/23 | 74%/23 | 65%/23 | 78%/23 |
Win rate = share of positive months / sample size.
IAG-L risk & extremes
IAG-L drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
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Frequently asked questions
What was International Airlines Group's best month?+
International Airlines Group's strongest completed month on record is November 2020, at +59.89%.
What was International Airlines Group's worst month?+
Its weakest completed month on record is September 2020, at -56.07%.
Is International Airlines Group up this year?+
International Airlines Group is up 0.20% year to date, measured from its last close before 1 January.
What is International Airlines Group's 1-year return?+
+4.35% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is International Airlines Group's biggest drawdown?+
The deepest peak-to-trough fall on record is 87.5%, measured on month-end closes since 2003.
Which calendar month is historically best for International Airlines Group?+
December has the highest average return across every completed December since 2003. An average is not a forecast.
About International Airlines Group
International Airlines Group is a FTSE 100 company, a travel & leisure business worth about $25 billion. Tracked here from its first session onward — every monthly, quarterly and weekly return on record since 2003, with no gaps filled in and nothing smoothed. And the long game: $100 at its first close here (2003) would be about $385 today.
Did you know?
- Its best month on record was November 2020 at +59.89%; its worst, September 2020 at -56.07%.
- It has closed December in the green 18 out of 23 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.