$324+ Cheap flights from Dulles Intl (IAD) to Brussels
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BRU
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Brussels with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Brussels are usually found in November or January, booked 71 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from Dulles Intl to Brussels
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Cheapest flights from Dulles Intl to BrusselsExplore the most affordable flight options available from Dulles Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Dulles Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:30 pm -
1 stop10h 25m
Sun 10/2512:50 pm -
1 stop11h 40m
Deal found 9/8![Icelandair logo]()
$675
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:25 pm -
1 stop24h 25m
Mon 11/165:55 pm -
1 stop26h 50m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$679
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:50 pm -
2 stops30h 50m
Tue 11/109:50 am -
1 stop15h 30m
Deal found 9/9![Multiple Airlines logo]()
$680
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:25 pm -
1 stop11h 35m
Sun 12/611:50 am -
1 stop14h 45m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$682
This Justfly.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:30 pm -
1 stop19h 20m
Sun 11/85:55 pm -
1 stop27h 20m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$693
This lol.travel deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:30 pm -
1 stop12h 00m
Tue 11/107:20 pm -
2 stops27h 55m
Deal found 9/8![Scandinavian Airlines logo]()
$695
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:30 pm -
1 stop30h 30m
Mon 12/216:00 am -
1 stop15h 15m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$698
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:25 pm -
1 stop17h 40m
Tue 1/126:00 am -
1 stop14h 45m
Deal found 9/8![TAP AIR PORTUGAL logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:50 pm -
1 stop11h 50m
Thu 11/266:20 am -
1 stop16h 00m
Deal found 9/9![Multiple Airlines logo]()
$701
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:20 pm -
1 stop12h 15m
Fri 10/238:30 pm -
1 stop26h 30m
Deal found 9/9![Scandinavian Airlines logo]()
$704
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:30 pm -
1 stop12h 00m
Wed 11/47:20 pm -
2 stops27h 55m
Deal found 9/8![Scandinavian Airlines logo]()
$708
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:30 pm -
2 stops32h 20m
Sun 12/67:20 pm -
2 stops27h 55m
Deal found 9/8![Scandinavian Airlines logo]()
$712
Best flights from Dulles Intl to BrusselsDiscover carefully curated flight deals from Dulles Intl to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Dulles Intl to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:50 pm -
1 stop11h 50m
Tue 12/18:05 pm -
2 stops26h 15m
Deal found 9/5![Multiple Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:45 pm -
Nonstop7h 30m
Sun 12/611:55 am -
Nonstop8h 35m
Deal found 9/7![United Airlines logo]()
$843
This Finnair deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:50 pm -
1 stop11h 40m
Tue 11/107:05 am -
2 stops38h 35m
Deal found 9/9![Finnair logo]()
$1,025
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:13 pm -
2 stops15h 02m
Sat 11/288:05 am -
1 stop13h 50m
Deal found 9/5![Delta logo]()
$1,143
This Brussels Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:45 pm -
Nonstop7h 30m
Sat 11/283:00 pm -
1 stop29h 55m
Deal found 9/5![Brussels Airlines logo]()
$1,394
This Lufthansa deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:45 pm -
Nonstop7h 30m
Tue 1/128:25 am -
1 stop12h 10m
Deal found 9/8![Lufthansa logo]()
$1,461
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:40 pm -
2 stops21h 15m
Sat 11/149:20 am -
2 stops15h 10m
Deal found 9/9![Multiple Airlines logo]()
$842
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:20 pm -
1 stop12h 55m
Sat 11/1411:55 am -
Nonstop8h 35m
Deal found 9/9![United Airlines logo]()
$860
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:50 pm -
1 stop11h 50m
Tue 11/106:45 am -
2 stops39h 35m
Deal found 9/7![Multiple Airlines logo]()
$855
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:45 pm -
Nonstop7h 30m
Wed 10/1412:00 pm -
Nonstop8h 15m
Deal found 9/8![United Airlines logo]()
$923
This Mytrip deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:30 pm -
2 stops18h 45m
Fri 11/62:50 pm -
2 stops27h 55m
Deal found 9/6![Multiple Airlines logo]()
$856
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:50 pm -
1 stop11h 50m
Sun 11/2910:35 am -
2 stops38h 45m
Deal found 9/7![Multiple Airlines logo]()
$865
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:55 am -
1 stop15h 55m
Sat 11/2811:55 am -
Nonstop8h 35m
Deal found 9/5![United Airlines logo]()
$956
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:50 pm -
1 stop11h 50m
Wed 11/116:55 am -
2 stops18h 10m
Deal found 9/7![Multiple Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 pm -
1 stop12h 40m
Tue 10/2711:55 am -
Nonstop8h 35m
Deal found 9/5![United Airlines logo]()
$1,010
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:15 pm -
1 stop9h 55m
Thu 1/78:05 am -
2 stops15h 25m
Deal found 9/6![Delta logo]()
$1,461
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:15 pm -
1 stop16h 55m
Sat 12/56:50 pm -
1 stop26h 55m
Deal found 9/8![Multiple Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:20 pm -
1 stop12h 55m
Mon 12/2111:55 am -
Nonstop8h 35m
Deal found 9/9![United Airlines logo]()
$1,205
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:15 pm -
1 stop19h 10m
Mon 11/306:20 am -
2 stops19h 00m
Deal found 9/7![Multiple Airlines logo]()
$1,004
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:55 pm -
2 stops30h 45m
Sat 11/146:50 pm -
1 stop26h 55m
Deal found 9/8![Multiple Airlines logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:45 pm -
Nonstop7h 30m
Thu 12/249:50 am -
1 stop34h 20m
Deal found 9/5![United Airlines logo]()
$1,352
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:50 pm -
2 stops29h 40m
Sat 11/76:50 pm -
1 stop26h 55m
Deal found 9/5![Multiple Airlines logo]()
$1,037
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 pm -
2 stops22h 30m
Mon 9/2810:00 pm -
1 stop23h 45m
Deal found 9/6![Multiple Airlines logo]()
$1,042
Last-minute flights from Dulles Intl to BrusselsDiscover last-minute flight deals from Dulles Intl to Brussels. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Brussels. Data last updated September 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:20 pm -
1 stop12h 15m
Fri 9/2510:20 am -
1 stop12h 40m
Deal found 9/5![Scandinavian Airlines logo]()
$730
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:20 pm -
1 stop16h 10m
Thu 10/17:10 pm -
1 stop27h 50m
Deal found 9/6![Scandinavian Airlines logo]()
$724
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:20 pm -
1 stop17h 30m
Fri 10/1611:20 am -
2 stops35h 40m
Deal found 9/8![Scandinavian Airlines logo]()
$721
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:20 pm -
1 stop17h 30m
Wed 10/149:10 pm -
2 stops25h 50m
Deal found 9/8![Scandinavian Airlines logo]()
$722
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:20 pm -
2 stops15h 55m
Wed 10/149:10 pm -
2 stops25h 50m
Deal found 9/8![Scandinavian Airlines logo]()
$718
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:20 pm -
1 stop17h 30m
Fri 10/1611:20 am -
2 stops35h 40m
Deal found 9/8![Scandinavian Airlines logo]()
$723
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:20 pm -
1 stop12h 15m
Fri 10/238:30 pm -
1 stop26h 30m
Deal found 9/9![Scandinavian Airlines logo]()
$704
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:30 pm -
1 stop10h 25m
Fri 10/3010:15 am -
1 stop11h 30m
Deal found 9/5![Multiple Airlines logo]()
$720
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:45 am -
3 stops28h 45m
Sun 10/258:45 pm -
2 stops25h 10m
Deal found 9/9![Multiple Airlines logo]()
$812
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:20 pm -
2 stops15h 55m
Fri 10/238:30 pm -
1 stop26h 30m
Deal found 9/8![Scandinavian Airlines logo]()
$719
This Gotogate deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:30 pm -
1 stop10h 25m
Sun 10/2512:50 pm -
1 stop11h 40m
Deal found 9/8![Icelandair logo]()
$675
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:30 pm -
1 stop12h 00m
Wed 11/47:20 pm -
2 stops27h 55m
Deal found 9/8![Scandinavian Airlines logo]()
$708
One-way flights from Dulles Intl to BrusselsSearch for one-way flight options from Dulles Intl to Brussels. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Dulles Intl to Brussels. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:25 am -
2 stops40h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:40 pm -
3 stops29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:50 pm -
2 stops35h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:25 am -
2 stops40h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:40 pm -
2 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:30 pm -
2 stops29h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:12 am -
3 stops38h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:50 am -
3 stops23h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:12 am -
3 stops27h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:25 am -
3 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:40 pm -
3 stops21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:25 pm -
3 stops45h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$340
Find flight deals from Dulles Intl to Brussels
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2026.
Round-trip from | $675 (Gotogate) |
|---|---|
One-way from | $324 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $769 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Brussels that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Sun 10/11
11:25 am-9:30 am
2 stops40h 05m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$324
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Tue 11/3
7:40 pm-10:05 am
2 stops32h 25m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$331
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Fri 10/2
11:12 am-7:50 am
3 stops38h 38m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$333
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Sat 11/28
7:40 pm-10:55 pm
2 stops21h 15m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$333
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Tue 11/10
7:40 pm-10:05 am
2 stops32h 25m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$338
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Fri 10/30
8:40 pm-9:10 pm
3 stops19h 30m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$366
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Thu 9/24
3:50 pm-10:55 pm
3 stops25h 05m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$375
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - CRL Charleroi Brussels
IADCRL
Washington, D.C. Dulles Intl
Mon 10/12
5:15 pm-8:25 am
1 stop33h 10m
Charleroi Brussels
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$421
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National
IADBRU
Washington, D.C. Dulles Intl
Mon 9/14
8:30 pm-9:40 am
3 stops31h 10m
Brussels Bruxelles-National
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$436
Washington, D.C.Brussels
IAD Washington, D.C. Dulles Intl - BRU Brussels Bruxelles-National
IADBRU
Washington, D.C. Dulles Intl
Wed 10/28
11:30 pm-11:00 am
1 stop30h 30m
Brussels Bruxelles-National
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$479
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Brussels
Have a flexible travel schedule? Discover the best time to fly to Brussels from Dulles Intl with our price prediction graph.
IAD-BR1
IAD-CRL
IAD-BRU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Brussels
IAD-BR1
IAD-CRL
IAD-BRU
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Brussels?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels (average of $558). Flying from Washington, D.C. Dulles Intl Airport to Brussels in June is currently the most expensive (average of $1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to BRU?
Find hourly flight availability from Dulles Intl to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 9, 2026.
When flying from Washington, D.C. Dulles Intl Airport to Brussels, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Brussels
Explore weekly flight availability from Dulles Intl to Brussels. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 9, 2026.
The most flights from IAD to BR1 are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Brussels?
Airfare is typical for this route at the moment.
Washington, D.C. Dulles Intl Airport to Brussels flights typically cost between $614 and $1,808 in October.The cheapest round-trip price found within the last 5 days was $675 on Icelandair (Oct 22-Oct 25).
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels?
The best time to book flights from Washington, D.C. Dulles Intl Airport to Brussels is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
The best insider tips for Washington, D.C. Dulles Intl Airport to Brussels flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Brussels trip
Our travel experts
Reviews of airlines servicing Brussels
Get insights into the airlines that provide service to Brussels. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brussels. Reviews last updated September 9, 2026.
See what other customers who have flown with Scandinavian Airlines,United Airlines, andAer Lingus from Washington, D.C. Dulles Intl Airport to Brussels have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
6.8
Boarding
7.7
Crew
8.1
Comfort
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Overall
7.4
Entertainment
6.8
Boarding
7.7
Crew
8.1
Comfort
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Overall
7.4
Entertainment
6.8
Boarding
7.7
Crew
8.1
Comfort
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Overall
7.4
Entertainment
6.8
Boarding
7.7
Crew
8.1
Comfort
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Overall
7.4
Entertainment
6.8
Boarding
7.7
Crew
8.1
Comfort
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Overall
7.4
Entertainment
6.8
Boarding
7.7
Crew
8.1
Comfort
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Dulles Intl to Brussels by cabin class
Find flights from Dulles Intl to Brussels, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dulles Intl and Brussels flights
Browse other Dulles Intl and Brussels flight options. Last updated on September 9, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Dulles Intl to Brussels
Discover the top 8 airlines that operate flights from Dulles Intl to Brussels. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$385 | Average$676 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$440 | Average$704 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$465 | Average$606 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$531 | Average$633 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$539 | Average$826 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$762 | Average$1,270 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$762 | Average$1,535 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$762 | Average$1,223 | FlexibilityNo cancel fee | On-time69% |