HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$378+ Cheap flights from Belfast to District of Columbia

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — IAD
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Belfast to District of Columbia 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 Belfast to District of Columbia

Keep the following information in mind while searching for Belfast to District of Columbia flight deals. Data was last updated April 22, 2025.

Round-trip from

$817
(TravelUp)

One-way from

$378
(Mytrip)
From Belfast to District of Columbia
Search Deals
One-way flight from Belfast to District of Columbia
Search Deals

Find flight deals from Belfast to District of Columbia

Cheapest flights from Belfast to District of Columbia
Explore the most affordable flight options available from Belfast to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This TravelUp deal was found by Cheapflights users on 4/22. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:05 amBHD - IAD
1 stop13h 50mBritish Airways
Sat 9/205:50 pmIAD - BHD
1 stop13h 25mBritish Airways
Deal found 4/22$817
This TravelUp deal was found by Cheapflights users on 4/22. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:25 pmBHD - IAD
1 stop27h 10mKLM
Sat 9/207:50 pmIAD - BHD
2 stops16h 05mKLM
Deal found 4/22$846
This TravelUp deal was found by Cheapflights users on 4/22. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:30 amBHD - DCA
2 stops15h 54mKLM
Sat 9/207:30 pmDCA - BHD
2 stops16h 25mKLM
Deal found 4/22$856
This Delta deal was found by Cheapflights users on 4/22. 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 9/66:30 amBHD - IAD
2 stops21h 14mDelta
Sat 9/203:00 pmIAD - BHD
2 stops20h 55mDelta
Deal found 4/22$865
This Mytrip deal was found by Cheapflights users on 4/22. 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 9/68:20 amBFS - IAD
2 stops18h 05mMultiple Airlines
Sat 9/2011:15 pmIAD - BFS
2 stops18h 50mMultiple Airlines
Deal found 4/22$997
This Mytrip deal was found by Cheapflights users on 4/22. 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 9/65:45 amBFS - DCA
2 stops17h 19mMultiple Airlines
Sat 9/206:50 pmDCA - BFS
2 stops15h 40mMultiple Airlines
Deal found 4/22$1,053
This Mytrip deal was found by Cheapflights users on 4/21. 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 4/254:00 pmBHD - IAD
2 stops33h 05mMultiple Airlines
Sun 4/2710:40 pmIAD - BHD
1 stop14h 05mMultiple Airlines
Deal found 4/21$1,162
This SmartFares deal was found by Cheapflights users on 4/21. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:00 pmBHD - IAD
2 stops26h 50mAer Lingus
Sun 4/275:20 pmIAD - BHD
2 stops35h 25mAer Lingus
Deal found 4/21$1,247
This Orbitz deal was found by Cheapflights users on 4/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:35 amBHD - DCA
2 stops14h 21mMultiple Airlines
Sun 4/2710:15 pmDCA - BHD
2 stops33h 40mMultiple Airlines
Deal found 4/21$1,414
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 4/256:35 amBHD - IAD
1 stop18h 35mAmerican Airlines
Sun 4/275:40 pmIAD - BHD
1 stop14h 25mAmerican Airlines
Deal found 4/21$1,432

Cheapflights Fare Finder

Customize your flight search to find flights from Belfast to District of Columbia 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 April 22, 2025.
Use the filters below to find and compare flights from Belfast to District of Columbia that are best for you.

Fly from

Belfast

Fly to

District of Columbia

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 9/6

7:05 am-3:55 pm

1 stop13h 50m

Washington, D.C. Dulles Intl

Sat 9/20

5:50 pm-12:15 pm

1 stop13h 25m

$817

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 9/6

5:25 pm-3:35 pm

1 stop27h 10m

Washington, D.C. Dulles Intl

Sat 9/20

7:50 pm-4:55 pm

2 stops16h 05m

$846

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sat 9/6

6:30 am-5:24 pm

2 stops15h 54m

Washington, D.C. Reagan-National

Sat 9/20

7:30 pm-4:55 pm

2 stops16h 25m

$856

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 9/6

6:30 am-10:44 pm

2 stops21h 14m

Washington, D.C. Dulles Intl

Sat 9/20

3:00 pm-4:55 pm

2 stops20h 55m

$865

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sat 9/6

8:20 am-9:25 pm

2 stops18h 05m

Washington, D.C. Dulles Intl

Sat 9/20

11:15 pm-11:05 pm

2 stops18h 50m

$997

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sat 9/6

5:45 am-6:04 pm

2 stops17h 19m

Washington, D.C. Reagan-National

Sat 9/20

6:50 pm-3:30 pm

2 stops15h 40m

$1,053

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 9/6

9:50 am-6:55 pm

2 stops14h 05m

Washington, D.C. Dulles Intl

Sat 9/20

12:41 pm-1:45 pm

3 stops20h 04m

$1,492

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 5/20

7:25 am-3:20 pm

3 stops36h 55m

$378

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 5/20

12:35 pm-3:20 pm

3 stops31h 45m

$401

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Tue 5/20

6:15 am-10:28 pm

3 stops21h 13m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 16 results
1
2

Best time to book a flight from Belfast to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Belfast 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 Belfast to District of Columbia

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated April 22, 2025.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,067 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,682 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Belfast to District of Columbia. 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 to fly from Belfast to District of Columbia one-way?

    One-way options have recently been found by users for as low as $843 on British Airways. Other airlines that offer cheap prices include Aer Lingus from $844 and Iberia from $1,697 one-way.

  • What are the most popular routes from Belfast to District of Columbia?

    The most popular route from Belfast to District of Columbia is Belfast Intl - Washington, D.C. Dulles Intl. You may also consider Belfast City - Washington, D.C. Reagan-National or Belfast City - Washington, D.C. Dulles Intl.

  • Can I find deals for flights from Belfast to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Belfast to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Belfast to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to District of Columbia.

  • Can I find deals for business class flights from Belfast to District of Columbia?

    Yes. Cheapflights offers flight deals from Belfast to District of Columbia 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 Belfast to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Belfast to District of Columbia (average of $309). Flying from Belfast to District of Columbia in June is currently the most expensive (average of $383). 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.

Alternative routes for Belfast to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to John F Kennedy Intl flights
Belfast Intl to Newark flights
Belfast City to John F Kennedy Intl flights
Belfast City to Newark flights
Belfast Intl to Seattle flights
Belfast City to Seattle flights
Belfast Intl to O'Hare Intl flights
Belfast City to O'Hare Intl flights
Belfast Intl to Boston flights
Belfast City to Boston flights
Belfast Intl to Orlando flights
Belfast City to Orlando flights
Belfast Intl to Miami flights
Belfast Intl to San Francisco flights
Belfast Intl to Baltimore flights
Belfast Intl to Dallas/Fort Worth flights
Belfast Intl to Charlotte flights
Belfast Intl to Las Vegas flights
Belfast City to San Francisco flights
Belfast City to George Bush Intcntl flights
Belfast Intl to Santa Ana flights
Belfast City to Dulles Intl flights
Belfast Intl to Pittsburgh flights
Belfast City to Stewart flights
Belfast Intl to Los Angeles flights
Belfast Intl to Fort Lauderdale flights
Belfast Intl to Atlanta flights
Belfast City to Las Vegas flights
Belfast City to Los Angeles flights

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.