Updated daily · latest data:
Brussels → Frankfurt by train: where is the ticket cheapest?
21 trains compared · checked 14 Oct 2026 to 18 Oct 2026
08:25–13:23 · ICE 13 + ICE 2013 + RE14 · travel 29 Nov 2026 · checked 18 Oct 2026
from €65.99
at SNCB International · travel date 29 Nov 2026, 08:25–11:27 · checked 18 Oct 2026
For Brussels – Frankfurt, bahn.de (DB) was the only cheapest seller for 5 of 21 trains and tied cheapest for 16 (typical fare €101).
Book directly
Fares change all the time; check the seller's website before booking. Opens the search for 29 Nov 2026 directly: bahn.de (DB).
Sellers compared
| Seller | cheapest alone | tied cheapest | more expensive | vs. bahn.de (DB) |
|---|---|---|---|---|
| bahn.de (DB) Railway of the origin or destination country · 21 trains | 5 | 16 | 0 | – |
| SNCB International Railway of the origin or destination country · 21 trains | 0 | 16 | 5 | ±0 % · 21 trains |
Counted per train the seller offered: “cheapest alone” = nobody was cheaper or equally cheap; “tied cheapest” = the same lowest fare as at least one other seller; “more expensive” = another seller was cheaper. “Vs. bahn.de (DB)”: median price difference for the trains both sellers offered. Other currencies are converted at the ECB reference rate of the day the fare was checked.
When to book? Fares by booking time
Cheapest ticket for Brussels – Frankfurt (median): 1–2 weeks ahead €116, 2–4 weeks ahead €116, more than 4 weeks ahead €93.
| Checked | Trains | cheapest fare (median) | usually cheapest |
|---|---|---|---|
| 1–2 weeks ahead | 6 | €116 | SNCB International = bahn.de (DB) (6 of 6) |
| 2–4 weeks ahead | 3 | €116 | SNCB International = bahn.de (DB) (3 of 3) |
| more than 4 weeks ahead | 12 | €93 | bahn.de (DB) (12 of 12) |
For each train the lowest fare of all sellers counts. The groups contain different travel dates and trains; this shows a tendency, not a guarantee.
All measured trains
Checked on 18 Oct 2026
| Booked ahead | Train | bahn.de (DB) | SNCB International |
|---|---|---|---|
| 21 days ahead travel 8 Nov · checked 18 Oct | 08:25–11:27 ICE 13 | €89.99 | €89.99 Non Flex |
| 21 days ahead travel 8 Nov · checked 18 Oct | 10:25–13:27 ICE 15 | €115.99 | €115.99 Non Flex |
| 21 days ahead travel 8 Nov · checked 18 Oct | 12:25–15:27 ICE 315 | €115.99 | €115.99 Non Flex |
| 42 days ahead travel 29 Nov · checked 18 Oct | 08:25–11:27 ICE 13 | €65.99 | €65.99 Non Flex |
| 42 days ahead travel 29 Nov · checked 18 Oct | 08:25–13:23 ICE 13 + ICE 2013 + RE14 | €73.99 | €75.49 |
| 42 days ahead travel 29 Nov · checked 18 Oct | 10:25–13:27 ICE 15 | €99.99 | €99.99 Non Flex |
| 42 days ahead travel 29 Nov · checked 18 Oct | 10:25–15:23 ICE 15 + IC 2044 + RE14 | €96.99 | €98.49 |
Checked on 17 Oct 2026
| Booked ahead | Train | bahn.de (DB) | SNCB International |
|---|---|---|---|
| 42 days ahead travel 28 Nov · checked 17 Oct | 08:25–11:27 ICE 13 | €89.99 | €89.99 Non Flex |
| 42 days ahead travel 28 Nov · checked 17 Oct | 08:25–13:23 ICE 13 + ICE 2013 + RE14 | €88.99 | €90.49 |
Checked on 16 Oct 2026
| Booked ahead | Train | bahn.de (DB) | SNCB International |
|---|---|---|---|
| 7 days ahead travel 23 Oct · checked 16 Oct | 08:25–11:27 ICE 13 | €115.99 | €115.99 Non Flex |
| 7 days ahead travel 23 Oct · checked 16 Oct | 10:22–13:27 ICE 15 | €149.99 | €149.99 Non Flex |
| 42 days ahead travel 27 Nov · checked 16 Oct | 08:25–11:27 ICE 13 | €99.99 | €99.99 Non Flex |
| 42 days ahead travel 27 Nov · checked 16 Oct | 08:25–13:23 ICE 13 + ICE 2013 + RE14 | €100.99 | €102.49 |
| 42 days ahead travel 27 Nov · checked 16 Oct | 10:22–13:27 ICE 15 | €119.99 | €119.99 Non Flex |
| 42 days ahead travel 27 Nov · checked 16 Oct | 10:22–15:23 ICE 15 + IC 2044 + RE14 | €114.99 | €116.49 |
Checked on 15 Oct 2026
| Booked ahead | Train | bahn.de (DB) | SNCB International |
|---|---|---|---|
| 7 days ahead travel 22 Oct · checked 15 Oct | 08:25–11:27 ICE 13 | €115.99 | €115.99 Non Flex |
| 7 days ahead travel 22 Oct · checked 15 Oct | 10:22–13:27 ICE 15 | €133.99 | €133.99 Non Flex |
Checked on 14 Oct 2026
| Booked ahead | Train | bahn.de (DB) | SNCB International |
|---|---|---|---|
| 7 days ahead travel 21 Oct · checked 14 Oct | 08:25–11:27 ICE 13 | €103.99 | €103.99 Non Flex |
| 7 days ahead travel 21 Oct · checked 14 Oct | 10:22–13:27 ICE 15 | €103.99 | €103.99 Non Flex |
| 33 days ahead travel 16 Nov · checked 14 Oct | 08:25–11:27 ICE 13 | €63.99 | €63.99 Non Flex |
| 33 days ahead travel 16 Nov · checked 14 Oct | 10:22–13:27 ICE 15 | €63.99 | €63.99 Non Flex |
Highlighted: cheapest seller for that train. For each day, the table only shows sellers that had a fare on that day. Fares valid only for part of the route are excluded.