Cheap flights from Dublin to Brussels from €21

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest

€21

Ryanair, flight FR 46Found 7 days ago, 1 adult

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05:45DublinWed, Oct 7

Travel time 1h 40m, nonstopDUBCRL

08:25BrusselsWed, Oct 7

€30

Ryanair, flight FR 0657Found yesterday, 1 adult

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06:25DublinTue, Oct 13

Travel time 1h 45m, nonstopDUBBRU

09:10BrusselsTue, Oct 13

€40

Ryanair, flight FR 46Found yesterday, 1 adult

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06:30DublinMon, Jan 25

Travel time 1h 40m, nonstopDUBCRL

09:10BrusselsMon, Jan 25

€44

Ryanair, flight FR 657Found 3 days ago, 1 adult

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06:30DublinSun, Oct 11

Travel time 1h 45m, nonstopDUBBRU

09:15BrusselsSun, Oct 11

€44

Ryanair, flight FR 46Found 4 days ago, 1 adult

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15:45DublinWed, Dec 23

Travel time 1h 40m, nonstopDUBCRL

18:25BrusselsWed, Dec 23

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

Mobile data in BelgiumTravel eSIM from $4, installed before you fly.
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Getting from the airportTransfers and car hire in Brussels, booked ahead at a fixed price.
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Things to do in BrusselsPopular tours from $40.14 per person.
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Travel insuranceTravel insurance quotes for Belgium from EKTA; check what each policy covers.
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Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to €250 per person under EU261.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234–5–6–7€21 8€56 9–10–11€44 12€60 13€30 14–15–16–17€56 18–19–20–21–22–23€139 24–25€115 26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031

€40 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 7, €21.

Lowest fares by month

In the fares found this week, October has the lowest: from €21 one-way, against €44 in December. Pick a month to see its cheapest date.

Show as a table

Month	Cheapest one-way	Date	Stops
October	€21	Wed, Oct 7	Nonstop
November	—
December	€44	Wed, Dec 23	Nonstop
January 2027	€40	Mon, Jan 25	Nonstop
February 2027	—
March 2027	—
April 2027	—
May 2027	—
June 2027	—
July 2027	—
August 2027	—
September 2027	—

Questions travellers ask

What is the cheapest month to fly from Dublin to Brussels?

In the fares found this week, October has the lowest: from €21 one-way, against €44 in December.

Are there direct flights from Dublin to Brussels?

Yes. Recent fares include nonstop flights with Ryanair.

How long is the flight from Dublin to Brussels?

A nonstop flight takes about 1h 40m. The distance is 803 km.

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