--- title: "Basel (BSL) to Iasi (IAS) flights: who flies it" description: "Aero Services Executive flies Basel (BSL) to Iasi (IAS) nonstop twice a week as W4 3640, scheduled at 2h 30m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/bsl-ias" url: "https://2lnr.com/routes/bsl-ias.md" date_modified: "2026-10-18T05:10:47Z" --- # Basel to Iasi (BSL-IAS): nonstop flights and who flies them Aero Services Executive flies nonstop from Basel (BSL) to Iasi (IAS) just twice a week. In the timetable below it flies as W4 3640, scheduled at 2h 30m for the 937 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See BSL to IAS on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 30m Scheduled flight time 937 mi Nonstop distance Free To get started ## Basel to Iasi flight schedule Scheduled nonstop departures for BSL to IAS starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Basel (BSL) to Iasi (IAS) | Date | Flight | Airline | Departs BSL | Arrives IAS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | W4 3640 | Aero Services Executive | 14:40 | 18:10 | 2h 30m | [Airbus A320](https://2lnr.com/seatmaps/w4/a320.md) | | Mon, Oct 26 | W4 3640 | Aero Services Executive | 14:25 | 17:55 | 2h 30m | Airbus A320 | | Fri, Oct 30 | W4 3640 | Aero Services Executive | 14:25 | 17:55 | 2h 30m | Airbus A320 | | Mon, Nov 2 | W4 3640 | Aero Services Executive | 14:25 | 17:55 | 2h 30m | Airbus A320 | | Fri, Nov 6 | W4 3640 | Aero Services Executive | 14:25 | 17:55 | 2h 30m | Airbus A320 | | Mon, Nov 9 | W4 3640 | Aero Services Executive | 14:25 | 17:55 | 2h 30m | Airbus A320 | | Fri, Nov 13 | W4 3640 | Aero Services Executive | 14:25 | 17:55 | 2h 30m | Airbus A320 | Showing all 7 scheduled BSL to IAS departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every BSL to IAS date on the interactive map ## Aircraft on the Basel to Iasi nonstop Aero Services Executive flies the [Airbus A320](https://2lnr.com/seatmaps/w4/a320.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full BSL to IAS nonstop schedule This page carries the full BSL to IAS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each BSL to IAS nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See BSL to IAS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Basel to Iasi nonstop Carriers operating BSL to IAS nonstop in the current schedule. - [Aero Services Executive (W4) route map](https://2lnr.com/routes/airlines/w4.md)\ [The aircraft W4 flies](https://2lnr.com/seatmaps/w4.md) See BSL to IAS on the interactive map → ## Frequently asked questions about BSL to IAS **How long is the flight from Basel (BSL) to Iasi (IAS)?** W4 3640 is scheduled at 2h 30m from Basel (BSL) to Iasi (IAS) on every departure in the schedule table on this page. The nonstop covers about 937 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BSL to IAS?** Aero Services Executive is currently the only airline flying BSL to IAS nonstop. 2LNR doesn't show award or upgrade space for it on BSL to IAS, so this page carries the schedule rather than a space claim. **How often does BSL to IAS operate?** The BSL to IAS nonstop currently runs twice a week, on Aero Services Executive. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from BSL to IAS depart?** Scheduled BSL to IAS nonstops in the next 7 days with service leave between 14:25 and 14:40, local time at Basel. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate BSL to IAS nonstop?** Aero Services Executive flies W4 3640 nonstop from Basel (BSL) to Iasi (IAS), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on BSL to IAS?** Not on this route: 2LNR doesn't show award or upgrade space for Aero Services Executive on BSL to IAS. The page carries the full BSL to IAS nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAS to BSL nonstop flights](https://2lnr.com/routes/ias-bsl.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Basel (BSL)](https://2lnr.com/routes/bsl.md), or [every route from Iasi (IAS)](https://2lnr.com/routes/ias.md). Nonstops to Iasi (IAS) from other airports within 150 miles of Basel (BSL): - [Memmingen (FMM) to Iasi (IAS)](https://2lnr.com/routes/fmm-ias.md), 128 miles from BSL - [Milan (MXP) to Iasi (IAS)](https://2lnr.com/routes/mxp-ias.md), 147 miles from BSL Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full BSL to IAS nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)