$423+ Cheap flights from Belgium to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SEA
Mar 17 — Mar 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Belgium to Washington 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.Cheap flight deals from Belgium to Washington
Cheapest
Best
Last-minute
One-way
Cheapest flights from Belgium to WashingtonExplore the most affordable flight options available from Belgium to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.
Explore the most affordable flight options available from Belgium to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 9/38:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Tue 9/153:55 pm
SEA
- BRU
1 stop13h 40m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$646
This FlightHub deal was found by Cheapflights users on 2/15. 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 9/128:30 pm
BRU
- SEA
1 stop26h 15m
Scandinavian Airlines
Sat 9/193:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 2/15![Scandinavian Airlines logo]()
$673
This lastminute.com deal was found by Cheapflights users on 2/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Fri 9/183:55 pm
SEA
- BRU
1 stop32h 45m
Scandinavian Airlines
Deal found 2/13![Scandinavian Airlines logo]()
$675
This Flighttix deal was found by Cheapflights users on 2/13. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:30 am
BRU
- SEA
1 stop15h 10m
Multiple Airlines
Fri 4/245:40 pm
SEA
- BRU
1 stop18h 00m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$695
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 9/32:30 pm
BRU
- SEA
2 stops34h 30m
Multiple Airlines
Thu 9/173:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$712
This Scandinavian Airlines deal was found by Cheapflights users on 2/12. 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 9/410:20 am
BRU
- SEA
1 stop12h 25m
Scandinavian Airlines
Sun 9/203:55 pm
SEA
- BRU
1 stop17h 35m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/129:00 am
BRU
- SEA
2 stops33h 28m
Multiple Airlines
Wed 4/153:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$727
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 9/39:10 pm
BRU
- SEA
2 stops27h 50m
Multiple Airlines
Wed 9/163:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/56:50 pm
BRU
- SEA
2 stops52h 29m
Multiple Airlines
Thu 4/163:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$729
This Scandinavian Airlines deal was found by Cheapflights users on 2/14. 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 5/19:10 pm
BRU
- PDX
2 stops34h 06m
Scandinavian Airlines
Sat 5/1611:03 pm
PDX
- BRU
2 stops49h 37m
Scandinavian Airlines
Deal found 2/14![Scandinavian Airlines logo]()
$773
This Scandinavian Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 5/1210:20 am
BRU
- PDX
2 stops21h 41m
Scandinavian Airlines
Tue 5/2612:24 pm
PDX
- BRU
2 stops36h 16m
Scandinavian Airlines
Deal found 2/14![Scandinavian Airlines logo]()
$790
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 4/99:35 pm
BRU
- PDX
2 stops44h 48m
Multiple Airlines
Thu 4/163:30 pm
PDX
- BRU
1 stop12h 25m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$804
Best flights from Belgium to WashingtonDiscover carefully curated flight deals from Belgium to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 15, 2026.
Discover carefully curated flight deals from Belgium to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 15, 2026.
This Flighttix deal was found by Cheapflights users on 2/13. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:30 am
BRU
- SEA
1 stop14h 10m
Multiple Airlines
Fri 4/245:40 pm
SEA
- BRU
1 stop18h 00m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$699
This Gotogate deal was found by Cheapflights users on 2/15. 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 4/91:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 2/15![Icelandair logo]()
$739
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 3/3110:20 am
BRU
- SEA
2 stops20h 28m
Scandinavian Airlines
Sat 4/186:00 am
SEA
- BRU
2 stops42h 40m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$782
This KLM deal was found by Cheapflights users on 2/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:05 am
BRU
- PDX
1 stop12h 05m
KLM
Thu 4/161:05 pm
PDX
- BRU
1 stop33h 30m
KLM
Deal found 2/13![KLM logo]()
$846
This Gotogate deal was found by Cheapflights users on 2/13. 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.
Mon 4/201:50 pm
BRU
- SEA
1 stop15h 50m
Icelandair
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Icelandair
Deal found 2/13![Icelandair logo]()
$746
This Trip.com deal was found by Cheapflights users on 2/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:55 am
BRU
- SEA
2 stops33h 40m
Multiple Airlines
Fri 4/247:00 pm
SEA
- BRU
1 stop32h 55m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$765
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 3/3110:20 am
BRU
- SEA
2 stops20h 50m
Scandinavian Airlines
Fri 4/177:15 am
SEA
- BRU
2 stops41h 25m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$782
This Finnair deal was found by Cheapflights users on 2/12. 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.
Tue 6/167:55 pm
BRU
- SEA
1 stop24h 40m
Multiple Airlines
Tue 7/78:20 pm
SEA
- BRU
1 stop15h 05m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$777
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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.
Sun 4/57:10 pm
BRU
- SEA
2 stops36h 00m
Scandinavian Airlines
Sun 4/197:00 am
SEA
- BRU
2 stops27h 50m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Icelandair deal was found by Cheapflights users on 2/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:50 pm
BRU
- PDX
1 stop13h 10m
Icelandair
Fri 5/227:05 pm
PDX
- BRU
1 stop32h 50m
Icelandair
Deal found 2/14![Icelandair logo]()
$860
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 4/110:20 am
BRU
- SEA
2 stops20h 50m
Scandinavian Airlines
Sun 4/197:00 am
SEA
- BRU
2 stops22h 35m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 4/99:35 pm
BRU
- PDX
2 stops44h 48m
Multiple Airlines
Thu 4/163:30 pm
PDX
- BRU
1 stop12h 25m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$804
This Icelandair deal was found by Cheapflights users on 2/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:50 pm
BRU
- PDX
1 stop13h 05m
Icelandair
Fri 6/57:05 pm
PDX
- BRU
1 stop32h 50m
Icelandair
Deal found 2/14![Icelandair logo]()
$860
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 4/110:20 am
BRU
- SEA
2 stops20h 50m
Scandinavian Airlines
Mon 4/207:15 am
SEA
- BRU
2 stops30h 45m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Mytrip deal was found by Cheapflights users on 2/11. 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 4/68:50 am
CRL
- SEA
2 stops20h 50m
Multiple Airlines
Tue 4/213:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$839
This Icelandair deal was found by Cheapflights users on 2/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/251:50 pm
BRU
- PDX
1 stop30h 55m
Icelandair
Tue 6/93:30 pm
PDX
- BRU
1 stop12h 25m
Icelandair
Deal found 2/14![Icelandair logo]()
$860
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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.
Sun 4/57:10 pm
BRU
- SEA
2 stops36h 00m
Scandinavian Airlines
Tue 4/141:45 pm
SEA
- BRU
2 stops39h 50m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Icelandair deal was found by Cheapflights users on 2/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:50 pm
BRU
- PDX
1 stop13h 05m
Icelandair
Wed 6/37:05 pm
PDX
- BRU
1 stop32h 50m
Icelandair
Deal found 2/14![Icelandair logo]()
$860
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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 4/67:10 pm
BRU
- SEA
2 stops36h 00m
Scandinavian Airlines
Wed 4/1510:35 am
SEA
- BRU
2 stops22h 55m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$783
This Mytrip deal was found by Cheapflights users on 2/12. 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 3/19:35 am
CRL
- SEA
3 stops42h 41m
Multiple Airlines
Sun 3/298:00 am
SEA
- CRL
3 stops29h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$893
This Icelandair deal was found by Cheapflights users on 2/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:50 pm
BRU
- PDX
1 stop13h 05m
Icelandair
Sun 6/77:05 pm
PDX
- BRU
1 stop32h 50m
Icelandair
Deal found 2/14![Icelandair logo]()
$860
This Scandinavian Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 5/1910:20 am
BRU
- PDX
2 stops21h 41m
Scandinavian Airlines
Tue 6/212:24 pm
PDX
- BRU
2 stops17h 11m
Scandinavian Airlines
Deal found 2/14![Scandinavian Airlines logo]()
$829
This Mytrip deal was found by Cheapflights users on 2/12. 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 4/58:35 am
CRL
- SEA
2 stops21h 05m
Multiple Airlines
Sun 4/193:40 pm
SEA
- CRL
2 stops22h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$929
This Icelandair deal was found by Cheapflights users on 2/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:50 pm
BRU
- PDX
1 stop13h 10m
Icelandair
Wed 5/207:05 pm
PDX
- BRU
1 stop32h 50m
Icelandair
Deal found 2/14![Icelandair logo]()
$860
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/39:50 am
CRL
- SEA
1 stop16h 20m
Multiple Airlines
Tue 4/143:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$993
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/21:10 pm
CRL
- SEA
1 stop14h 10m
Multiple Airlines
Tue 3/313:40 pm
SEA
- CRL
2 stops20h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$996
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/39:50 am
CRL
- SEA
1 stop16h 20m
Multiple Airlines
Mon 4/203:40 pm
SEA
- CRL
2 stops19h 55m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$998
This Mytrip deal was found by Cheapflights users on 2/13. 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.
Thu 4/97:05 am
CRL
- SEA
2 stops22h 35m
Multiple Airlines
Fri 4/245:40 pm
SEA
- CRL
2 stops19h 25m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$1,010
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/39:50 am
CRL
- SEA
1 stop16h 20m
Multiple Airlines
Thu 4/167:00 pm
SEA
- CRL
2 stops17h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,016
This Mytrip deal was found by Cheapflights users on 2/12. 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 3/138:20 pm
CRL
- SEA
2 stops28h 20m
Multiple Airlines
Fri 3/209:05 pm
SEA
- CRL
2 stops15h 40m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$1,077
Last-minute flights from Belgium to WashingtonDiscover last-minute flight deals from Belgium to Washington. Data last updated February 15, 2026 and is based on user searches.
Discover last-minute flight deals from Belgium to Washington. Data last updated February 15, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 2/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:05 am
BRU
- SEA
1 stop12h 30m
Multiple Airlines
Sun 3/297:30 am
SEA
- BRU
1 stop15h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$788
This Delta deal was found by Cheapflights users on 2/12. 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.
Sun 3/16:15 am
BRU
- SEA
1 stop14h 20m
Delta
Sun 3/297:20 am
SEA
- BRU
2 stops17h 20m
Delta
Deal found 2/12![Delta logo]()
$790
This Delta deal was found by Cheapflights users on 2/12. 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.
Sun 3/16:15 am
BRU
- SEA
2 stops25h 07m
Delta
Sun 3/159:45 pm
SEA
- BRU
1 stop26h 15m
Delta
Deal found 2/12![Delta logo]()
$794
This Gotogate deal was found by Cheapflights users on 2/12. 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.
Sun 3/110:00 am
BRU
- SEA
2 stops21h 57m
Air Canada
Sun 3/225:50 am
SEA
- BRU
2 stops18h 00m
Air Canada
Deal found 2/12![Air Canada logo]()
$808
This Mytrip deal was found by Cheapflights users on 2/12. 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 3/19:35 am
CRL
- SEA
3 stops42h 41m
Multiple Airlines
Sun 3/298:00 am
SEA
- CRL
3 stops29h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$893
This Gotogate deal was found by Cheapflights users on 2/12. 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.
Sun 3/89:35 am
BRU
- SEA
2 stops17h 41m
Air Canada
Sun 3/223:40 pm
SEA
- BRU
2 stops32h 10m
Air Canada
Deal found 2/12![Air Canada logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/129:00 am
BRU
- SEA
2 stops33h 28m
Multiple Airlines
Wed 4/153:40 pm
SEA
- BRU
1 stop12h 15m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$727
This Gotogate deal was found by Cheapflights users on 2/12. 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.
Fri 3/137:00 am
BRU
- SEA
1 stop14h 10m
Multiple Airlines
Fri 3/205:40 am
SEA
- BRU
2 stops18h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$805
This Gotogate deal was found by Cheapflights users on 2/12. 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.
Fri 3/1310:00 am
BRU
- SEA
2 stops31h 31m
Air Canada
Fri 3/205:40 am
SEA
- BRU
2 stops18h 10m
Air Canada
Deal found 2/12![Air Canada logo]()
$807
This Mytrip deal was found by Cheapflights users on 2/12. 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 3/137:20 pm
CRL
- SEA
2 stops29h 20m
Multiple Airlines
Fri 3/208:00 am
SEA
- CRL
3 stops26h 20m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$932
This KLM deal was found by Cheapflights users on 2/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:10 pm
BRU
- SEA
1 stop29h 35m
Multiple Airlines
Sun 4/56:15 am
SEA
- BRU
1 stop16h 25m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$789
This Scandinavian Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 3/3110:20 am
BRU
- SEA
2 stops17h 45m
Scandinavian Airlines
Sun 4/197:00 am
SEA
- BRU
2 stops26h 30m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$782
One-way flights from Belgium to WashingtonSearch for one-way flight options from Belgium to Washington. Find affordable one-way fares based on user searches. Data last updated February 15, 2026.
Search for one-way flight options from Belgium to Washington. Find affordable one-way fares based on user searches. Data last updated February 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 5/107:25 pm
BRU
- SEA
2 stops55h 17m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 5/109:05 pm
CRL
- SEA
3 stops51h 55m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 6/127:35 pm
BRU
- SEA
3 stops47h 05m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/249:00 am
BRU
- SEA
3 stops44h 28m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 6/159:25 pm
BRU
- SEA
3 stops32h 35m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 2/2510:45 am
BRU
- SEA
2 stops41h 33m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 2/256:55 am
CRL
- SEA
3 stops48h 59m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:55 am
BRU
- SEA
1 stop33h 40m
American Airlines
Deal found 2/14![American Airlines logo]()
$514
This British Airways deal was found by Cheapflights users on 2/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:15 pm
BRU
- SEA
1 stop23h 20m
British Airways
Deal found 2/14![British Airways logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 5/89:25 am
BRU
- PDX
3 stops44h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$524
This Priceline deal was found by Cheapflights users on 2/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:45 am
BRU
- PDX
1 stop15h 55m
British Airways
Deal found 2/11![British Airways logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 7/199:25 pm
BRU
- PDX
2 stops55h 41m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$748
Find flight deals from Belgium to Washington
Keep the following information in mind while searching for Belgium to Washington flight deals. Data was last updated February 15, 2026.
Round-trip from | $695 (Flighttix) |
|---|---|
One-way from | $423 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $882 |
Cheapflights Fare Finder
Customize your flight search to find flights from Belgium to Washington 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 2,558,603 searches. Data last updated February 15, 2026.
Use the filters below to find and compare flights from Belgium to Washington that are best for you.
Fly from
Belgium
Fly to
Washington
Route
Depart
Return
Price
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 4/9
10:30 am-3:40 pm
1 stop14h 10m
Seattle/Tacoma Intl
Fri 4/24
5:40 pm-8:40 pm
1 stop18h 00m
$699
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Thu 4/9
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Fri 4/24
7:00 pm-12:55 pm
1 stop32h 55m
$739
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 4/20
1:50 pm-8:40 pm
1 stop15h 50m
Seattle/Tacoma Intl
Fri 4/24
7:00 pm-12:55 pm
1 stop32h 55m
$746
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Mon 4/20
10:55 am-11:35 am
2 stops33h 40m
Seattle/Tacoma Intl
Fri 4/24
7:00 pm-12:55 pm
1 stop32h 55m
$765
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Tue 6/16
7:55 pm-11:35 am
1 stop24h 40m
Seattle/Tacoma Intl
Tue 7/7
8:20 pm-8:25 pm
1 stop15h 05m
$777
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Tue 3/31
10:20 am-9:48 pm
2 stops20h 28m
Seattle/Tacoma Intl
Sat 4/18
6:00 am-9:40 am
2 stops42h 40m
$782
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Tue 3/31
10:20 am-10:10 pm
2 stops20h 50m
Seattle/Tacoma Intl
Fri 4/17
7:15 am-9:40 am
2 stops41h 25m
$782
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Sun 4/5
7:10 pm-10:10 pm
2 stops36h 00m
Seattle/Tacoma Intl
Sun 4/19
7:00 am-7:50 pm
2 stops27h 50m
$783
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Wed 4/1
10:20 am-10:10 pm
2 stops20h 50m
Seattle/Tacoma Intl
Sun 4/19
7:00 am-2:35 pm
2 stops22h 35m
$783
BrusselsSeattle
BRU - SEA
BRUSEA
Brussels Bruxelles-National
Wed 4/1
10:20 am-10:10 pm
2 stops20h 50m
Seattle/Tacoma Intl
Mon 4/20
7:15 am-11:00 pm
2 stops30h 45m
$783
Showing 1-10 of 45 results
Best time to book a flight from Belgium to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Belgium with our price prediction graph.
BRU-SEA
BRU-PDX
CRL-SEA
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 Belgium to Washington
BE0-USWA
BRU-SEA
BRU-PDX
CRL-SEA
What is the cheapest month to book a flight from Belgium to State of Washington?
Currently, September is the cheapest month in which you can book a flight from Belgium to State of Washington (average of $516). Flying from Belgium to State of Washington in November is currently the most expensive (average of $743). 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.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated February 15, 2026.
See what other customers who have flown with KLM, United Airlines, and Icelandair from Belgium to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Comfort
7.6
Crew
8.4
Overall
7.7
Food
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Boarding
7.8
Comfort
7.6
Crew
8.4
Overall
7.7
Food
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Boarding
7.8
Comfort
7.6
Crew
8.4
Overall
7.7
Food
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Boarding
7.8
Comfort
7.6
Crew
8.4
Overall
7.7
Food
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Boarding
7.8
Comfort
7.6
Crew
8.4
Overall
7.7
Food
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Boarding
7.8
Comfort
7.6
Crew
8.4
Overall
7.7
Food
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Related info for your journey
Find useful and relevant information for your journey from Belgium to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Belgium to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Belgium to Washington by cabin class
Find flights from Belgium to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Belgium and Washington flights
Browse other Belgium and Washington flight options. Last updated on February 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to Belgium after your stay in Washington
Belgium to Washington flights
Consider these flights traveling from Belgium to Washington.
Top 5 airlines flying from Belgium to Washington
Discover the top 5 airlines that operate flights from Belgium to Washington. 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 2,558,603 searches. Data last updated February 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$584 | Average$772 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$586 | Average$626 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$592 | Average$661 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$673 | Average$721 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$687 | Average$881 | FlexibilityNo cancel fee | On-time76% |