HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brussels

$351+ Cheap flights from Reagan-National (DCA) to Brussels

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BRU
Jun 21 — Jun 281
Sa 6/21
Sa 6/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National 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.

Cheap flight deals from Reagan-National to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 Juni 16, 2025.

Round-trip from

$586
(United Airlines)

One-way from

$436
(Mytrip)

Popular in

August

Cheapest in

November

Average price

$926
From Washington, D.C. Reagan-National to Brussels
Search Deals
One-way flight from Washington, D.C. Reagan-National to Brussels
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Reagan-National to Brussels

Cheapest flights from Reagan-National to Brussels
Explore the most affordable flight options available from Reagan-National to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Juni 16, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 6/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 8/51:41 pmDCA - BRU
1 stop12h 59mVirgin Atlantic
Do 8/1410:45 amBRU - DCA
1 stop13h 29mVirgin Atlantic
Deal found 6/14$586
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/136:00 amDCA - BRU
1 stop20h 00mUnited Airlines
So 8/2410:00 amBRU - DCA
1 stop17h 48mUnited Airlines
Deal found 6/12$590
This Air Canada deal was found by Cheapflights users on 6/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 11/64:00 pmDCA - BRU
2 stops15h 15mAir Canada
Di 11/1110:00 amBRU - DCA
1 stop11h 19mAir Canada
Deal found 6/13$594
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 8/511:00 amDCA - BRU
2 stops28h 00mMultiple Airlines
Mo 8/1110:25 pmBRU - DCA
2 stops23h 23mMultiple Airlines
Deal found 6/14$596
This Iberia deal was found by Cheapflights users on 6/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 8/42:54 pmDCA - BRU
2 stops25h 36mIberia
Mi 8/1312:05 pmBRU - DCA
2 stops17h 13mIberia
Deal found 6/15$616
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 8/176:05 amDCA - BRU
2 stops22h 10mScandinavian Airlines
Mi 9/310:20 amBRU - DCA
2 stops15h 36mScandinavian Airlines
Deal found 6/15$618
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 8/45:30 pmDCA - BRU
2 stops14h 50mAmerican Airlines
Mi 8/1310:55 amBRU - DCA
2 stops17h 44mAmerican Airlines
Deal found 6/13$622
This Delta deal was found by Cheapflights users on 6/12. 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.
Mo 8/48:46 pmDCA - BRU
1 stop29h 54mDelta
So 8/3110:45 amBRU - DCA
1 stop13h 48mDelta
Deal found 6/12$650
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 8/86:05 amDCA - BRU
2 stops22h 35mITA Airways
So 8/246:55 pmBRU - DCA
2 stops34h 46mITA Airways
Deal found 6/15$787

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National 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 2,558,603 searches. Data last updated Juni 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Brussels that are best for you.

Fly from

Reagan-National

Fly to

Brussels

Route

Depart

Return

Price

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Di 8/5

1:41 pm-8:40 am

1 stop12h 59m

Brussels Bruxelles-National

Do 8/14

10:45 am-6:14 pm

1 stop13h 29m

$586

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Mi 8/13

6:00 am-8:00 am

1 stop20h 00m

Brussels Bruxelles-National

So 8/24

10:00 am-9:48 pm

1 stop17h 48m

$590

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Do 11/6

4:00 pm-1:15 pm

2 stops15h 15m

Brussels Bruxelles-National

Di 11/11

10:00 am-3:19 pm

1 stop11h 19m

$594

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Di 8/5

11:00 am-9:00 pm

2 stops28h 00m

Brussels Bruxelles-National

Mo 8/11

10:25 pm-3:48 pm

2 stops23h 23m

$596

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Mo 8/4

2:54 pm-10:30 pm

2 stops25h 36m

Brussels Bruxelles-National

Mi 8/13

12:05 pm-11:18 pm

2 stops17h 13m

$616

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

So 8/17

6:05 am-10:15 am

2 stops22h 10m

Brussels Bruxelles-National

Mi 9/3

10:20 am-7:56 pm

2 stops15h 36m

$618

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Mo 8/4

5:30 pm-2:20 pm

2 stops14h 50m

Brussels Bruxelles-National

Mi 8/13

10:55 am-10:39 pm

2 stops17h 44m

$622

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Do 8/7

8:59 am-8:40 am

1 stop17h 41m

Brussels Bruxelles-National

Do 8/14

10:45 am-6:14 pm

1 stop13h 29m

$626

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Fr 8/8

6:05 am-10:40 am

2 stops22h 35m

Brussels Bruxelles-National

So 8/24

6:55 pm-11:41 pm

2 stops34h 46m

$787

Washington, D.C.Brussels

DCA - BRU

DCABRU

Washington, D.C. Reagan-National

Di 9/9

11:00 am-10:15 am

2 stops17h 15m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from Reagan-National to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Reagan-National with our price prediction graph.
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. Reagan-National Airport to Brussels

What is the cheapest time of day to fly from DCA to BRU?

Find hourly flight availability from Reagan-National 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 Juni 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from Washington, D.C. Reagan-National Airport to Brussels by exploring options for tickets in the morning.

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels when rainfall is around 1.6 in.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

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 Juni 16, 2025.
Get a feel of what it's like to fly with Delta, LOT and United Airlines from Washington, D.C. to Brussels by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,080 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,798 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,388 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Brussels round-trip?

    According to our current data, United Airlines ($586), Air Canada ($595), and Iberia ($597) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Brussels. United Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Brussels one-way?

    One-way options have recently been found by users for as low as $440 on Air Canada. Other airlines that offer cheap prices include United Airlines from $475 and ITA Airways from $871 one-way.

  • Can I find deals for flights from Reagan-National to Brussels that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Brussels.

  • Can I find deals for business class flights from Reagan-National to Brussels?

    Yes. Cheapflights offers flight deals from Reagan-National to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Brussels?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Brussels (average of $614). Flying from Washington, D.C. Reagan-National Airport to Brussels in June is currently the most expensive (average of $1,096). 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.

See more FAQs

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.

Top airline flying from Reagan-National to Brussels

Discover the top airline that operate flights from Reagan-National 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 2,558,603 searches. Data last updated Juni 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$725Average$1,119FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.