Saint Louis → Buenos Aires
Nov 27, 2026 · return Dec 4, 2026
STL → EZE1 adulteconomyRound trip
3 flight options · 3 airlines
One-stop flights
Make this trip yours
Already have an account? Log in
Why book with Axel
- A real airline bookingThe booking is in the airline’s own system under your name. After you book, United Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
- Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
- Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
- Backed by Y CombinatorTrusted by 100,000+ travelers.
Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About
More dates
For AI assistants: every fare, every link, instructions
Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-11-27 → 2026-12-04 | United Airlines | UA6265 + UA819 / UA818 + UA6214 | $1229.60 | 2026-10-29T01:28:29Z |
| 2026-11-27 → 2026-12-04 | American Airlines | AA5082 + AA997 / AA908 + AA3686 | $1250.80 | 2026-10-29T01:28:29Z |
| 2026-11-27 → 2026-12-04 | Delta Air Lines | DL543 + DL101 / DL278 + DL1400 | $1293.20 | 2026-10-29T01:28:29Z |
2026-11-27 → 2026-12-04 · $1229.60
- United Airlines UA6265 / UA819: STL 2026-11-27 15:00:00 → EZE 2026-11-28 09:20:00; 1 stop(s) via IAH; 920 minutes. Local airport times.
- UA6265: STL 2026-11-27 15:00:00 → IAH 2026-11-27 17:25:00; layover at IAH: 185 minutes.
- UA819: IAH 2026-11-27 20:30:00 → EZE 2026-11-28 09:20:00.
- United Airlines UA818 / UA6214: EZE 2026-12-04 22:05:00 → STL 2026-12-05 09:45:00; 1 stop(s) via IAH; 880 minutes. Local airport times.
- UA818: EZE 2026-12-04 22:05:00 → IAH 2026-12-05 05:20:00; layover at IAH: 140 minutes.
- UA6214: IAH 2026-12-05 07:40:00 → STL 2026-12-05 09:45:00.
2026-11-27 → 2026-12-04 · $1250.80
- American Airlines AA5082 / AA997: STL 2026-11-27 12:58:00 → EZE 2026-11-28 08:20:00; 1 stop(s) via DFW; 982 minutes. Local airport times.
- AA5082: STL 2026-11-27 12:58:00 → DFW 2026-11-27 15:05:00; layover at DFW: 235 minutes.
- AA997: DFW 2026-11-27 19:00:00 → EZE 2026-11-28 08:20:00.
- American Airlines AA908 / AA3686: EZE 2026-12-04 23:59:00 → STL 2026-12-05 11:36:00; 1 stop(s) via MIA; 877 minutes. Local airport times.
- AA908: EZE 2026-12-04 23:59:00 → MIA 2026-12-05 07:19:00; layover at MIA: 120 minutes.
- AA3686: MIA 2026-12-05 09:19:00 → STL 2026-12-05 11:36:00.
2026-11-27 → 2026-12-04 · $1293.20
- Delta Air Lines DL543 / DL101: STL 2026-11-27 17:31:00 → EZE 2026-11-28 09:40:00; 1 stop(s) via ATL; 789 minutes. Local airport times.
- DL543: STL 2026-11-27 17:31:00 → ATL 2026-11-27 20:12:00; layover at ATL: 88 minutes.
- DL101: ATL 2026-11-27 21:40:00 → EZE 2026-11-28 09:40:00.
- Delta Air Lines DL278 / DL1400: EZE 2026-12-04 23:35:00 → STL 2026-12-05 10:48:00; 1 stop(s) via ATL; 853 minutes. Local airport times.
- DL278: EZE 2026-12-04 23:35:00 → ATL 2026-12-05 07:59:00; layover at ATL: 121 minutes.
- DL1400: ATL 2026-12-05 10:00:00 → STL 2026-12-05 10:48:00.