AirHint found the following cheapest return flights from Washington (IAD) to Brussels (BRU) in November 2025 (see full year).

Return flights

06 Nov - 27 Nov	Scandinavian Airlines
18 Nov - 02 Dec	TAP
13 Nov - 20 Nov	Icelandair
18 Nov - 25 Nov	United
21 Nov - 05 Dec	British Airways
03 Nov - 10 Nov	United	direct
28 Nov - 05 Dec	United
21 Nov - 07 Dec	British Airways
23 Nov - 30 Nov	United	direct
21 Nov - 05 Dec	United	direct
08 Nov - 15 Nov	United	direct
21 Nov - 07 Dec	United	direct
18 Nov - 02 Dec	Brussels Airlines	direct
06 Nov - 27 Nov	Brussels Airlines	direct

Also check the deals for one-way flights from Washington to Brussels in November.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Washington to Brussels in November from $477

Return flights