Cheap flights from Washington, D.C. (WAS) to Belfast from $403

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — BHD
May 13 — May 201

Cheap flight deals from Washington, D.C. to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Belfast (BF1). 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 May 8, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$640

One-way from

$403
High demand for flights, 29% potential price rise
Best time to find cheap flights, 19% potential price drop
From Washington, D.C. (WAS) to Belfast
One-way flight from Washington, D.C. (WAS) to Belfast

What is the cheapest day to fly round-trip from Washington, D.C. to Belfast?

Monday is generally a great day to depart. Flying on this day could help you save up to 36%.

What is the cheapest month to fly from Washington, D.C. to Belfast?

Our data shows that September tends to be the cheapest month to fly to Belfast from Washington, D.C.. Users have commonly found prices around $840 for the month, but tickets can be as low as $678. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Washington, D.C. to Belfast (WAS - BFS)?

It’s typically best to fly out from Washington, D.C. to Belfast in the morning. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

Cheap British Airways flights from Washington, D.C. to Belfast

Explore cheap flight options specifically provided by British Airways for the route between Washington, D.C. and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Peruse some of the lowest-priced British Airways flights we've found from Washington, D.C. to Belfast. Deals update often to give you more flight options matching your criteria
Sun 10/135:55 pmIAD - BHD
1 stop14h 05mBritish Airways
Sat 10/197:50 pmBHD - IAD
1 stop29h 45mBritish Airways
Deal found 5/8$595
Sun 10/136:07 pmBWI - BHD
2 stops13h 53mBritish Airways
Sat 10/197:50 pmBHD - BWI
1 stop28h 50mBritish Airways
Deal found 5/8$602
Mon 9/1610:45 pmIAD - BHD
1 stop11h 50mBritish Airways
Sat 9/286:50 amBHD - IAD
1 stop18h 40mBritish Airways
Deal found 5/7$606
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Wed 9/1111:50 amBHD - IAD
1 stop13h 40mBritish Airways
Deal found 5/6$626
Tue 9/179:25 pmBWI - BHD
1 stop10h 30mBritish Airways
Fri 9/2711:50 amBHD - BWI
1 stop12h 50mBritish Airways
Deal found 5/7$632
Wed 8/219:20 pmBWI - BHD
1 stop11h 05mBritish Airways
Sun 9/11:10 pmBHD - BWI
1 stop11h 25mBritish Airways
Deal found 5/8$633
Sun 10/1310:50 pmIAD - BHD
1 stop10h 45mBritish Airways
Sat 10/196:55 pmBHD - IAD
1 stop30h 40mBritish Airways
Deal found 5/7$635
Wed 8/217:04 pmBWI - BHD
2 stops15h 31mBritish Airways
Sun 9/111:20 amBHD - BWI
1 stop13h 15mBritish Airways
Deal found 5/8$642
Tue 9/173:30 pmBWI - BHD
2 stops22h 25mBritish Airways
Fri 9/2710:10 amBHD - BWI
2 stops16h 57mBritish Airways
Deal found 5/7$646

Cheap American Airlines flights from Washington, D.C. to Belfast

Explore cheap flight options specifically provided by American Airlines for the route between Washington, D.C. and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Washington, D.C. to Belfast. Make sure to examine the flight information before completing your reservation.
Wed 8/211:10 pmIAD - BHD
2 stops21h 25mAmerican Airlines
Sat 8/316:50 amBHD - IAD
1 stop18h 40mAmerican Airlines
Deal found 5/8$609
Wed 8/219:14 amIAD - BHD
2 stops21h 36mAmerican Airlines
Sat 8/314:15 pmBHD - IAD
2 stops32h 28mAmerican Airlines
Deal found 5/8$618
Mon 9/165:00 pmDCA - BHD
2 stops14h 50mAmerican Airlines
Thu 9/269:35 amBHD - DCA
2 stops16h 55mAmerican Airlines
Deal found 5/7$619
Wed 9/187:45 pmDCA - BHD
2 stops12h 40mAmerican Airlines
Sat 9/286:50 amBHD - DCA
2 stops19h 24mAmerican Airlines
Deal found 5/7$621
Sun 8/1110:50 pmIAD - BHD
1 stop10h 45mAmerican Airlines
Sun 8/185:35 pmBHD - IAD
1 stop31h 55mAmerican Airlines
Deal found 5/7$641
Sun 8/111:10 pmIAD - BHD
2 stops20h 25mAmerican Airlines
Sun 8/185:35 pmBHD - IAD
1 stop31h 55mAmerican Airlines
Deal found 5/7$644
Thu 6/68:15 pmIAD - BHD
2 stops14h 20mAmerican Airlines
Thu 6/136:35 amBHD - IAD
1 stop18h 55mAmerican Airlines
Deal found 5/7$702
Thu 6/61:13 pmIAD - BHD
2 stops19h 17mAmerican Airlines
Thu 6/136:35 amBHD - IAD
2 stops18h 10mAmerican Airlines
Deal found 5/7$711
Tue 8/273:46 pmBWI - BHD
2 stops13h 49mAmerican Airlines
Wed 9/111:40 pmBHD - BWI
1 stop11h 00mAmerican Airlines
Deal found 5/6$829

Cheap Washington, D.C. to Belfast flights in May & June 2024

Find cheap flight options from Washington, D.C. to Belfast specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Belfast in 2024. For more flight deals, be sure to check back very soon.
Tue 5/75:55 pmIAD - BHD
1 stop14h 00mAmerican Airlines
Wed 5/1511:50 amBHD - IAD
1 stop13h 40mAmerican Airlines
Deal found 5/7$606
Wed 5/85:55 pmIAD - BHD
1 stop9h 55mBritish Airways
Wed 5/151:40 pmBHD - IAD
1 stop11h 50mBritish Airways
Deal found 5/7$634
Wed 5/88:34 pmDCA - BHD
2 stops31h 26mBritish Airways
Wed 5/159:50 amBHD - DCA
2 stops18h 34mBritish Airways
Deal found 5/7$645
Wed 5/88:16 pmBWI - BHD
2 stops31h 44mBritish Airways
Wed 5/157:40 pmBHD - BWI
2 stops31h 10mBritish Airways
Deal found 5/7$655
Tue 5/75:55 pmIAD - BHD
1 stop14h 00mBritish Airways
Wed 5/156:15 pmBHD - IAD
2 stops30h 00mBritish Airways
Deal found 5/7$665
Tue 5/73:27 pmIAD - BHD
2 stops16h 28mBritish Airways
Wed 5/156:15 pmBHD - IAD
2 stops30h 00mBritish Airways
Deal found 5/7$693
Wed 5/88:12 pmIAD - BHD
2 stops33h 08mBritish Airways
Wed 5/151:40 pmBHD - IAD
1 stop11h 50mBritish Airways
Deal found 5/7$699
Thu 6/68:15 pmIAD - BHD
2 stops14h 20mAmerican Airlines
Thu 6/136:35 amBHD - IAD
1 stop18h 55mAmerican Airlines
Deal found 5/7$702
Thu 6/61:13 pmIAD - BHD
2 stops19h 17mAmerican Airlines
Thu 6/136:35 amBHD - IAD
2 stops18h 10mAmerican Airlines
Deal found 5/7$711

Washington, D.C. to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Belfast in 2024. For more flight deals, be sure to check back very soon.
Sun 10/135:55 pmIAD - BHD
1 stop14h 05mBritish Airways
Sat 10/197:50 pmBHD - IAD
1 stop29h 45mBritish Airways
Deal found 5/8$595
Sun 10/139:25 pmBWI - BHD
1 stop10h 35mBritish Airways
Sat 10/196:55 pmBHD - BWI
1 stop29h 45mBritish Airways
Deal found 5/8$595
Sun 10/136:07 pmBWI - BHD
2 stops13h 53mBritish Airways
Sat 10/197:50 pmBHD - BWI
1 stop28h 50mBritish Airways
Deal found 5/8$602
Mon 9/1610:45 pmIAD - BHD
1 stop11h 50mBritish Airways
Sat 9/286:50 amBHD - IAD
1 stop18h 40mBritish Airways
Deal found 5/7$606
Mon 9/169:25 pmBWI - BHD
1 stop10h 25mBritish Airways
Fri 9/2710:10 amBHD - BWI
1 stop14h 30mBritish Airways
Deal found 5/7$606
Mon 9/168:15 pmIAD - BHD
2 stops14h 20mAmerican Airlines
Thu 9/266:35 amBHD - IAD
1 stop18h 55mAmerican Airlines
Deal found 5/7$609
Mon 9/168:17 pmBWI - BHD
2 stops14h 18mAmerican Airlines
Thu 9/266:35 amBHD - BWI
1 stop18h 05mAmerican Airlines
Deal found 5/7$609
Tue 8/2711:15 amBWI - BHD
2 stops20h 40mAmerican Airlines
Wed 9/111:40 pmBHD - BWI
1 stop11h 00mAmerican Airlines
Deal found 5/8$611
Tue 5/75:10 pmDCA - BHD
2 stops14h 45mAmerican Airlines
Wed 5/1511:50 amBHD - DCA
2 stops16h 00mAmerican Airlines
Deal found 5/7$619

One-way flights to Belfast from Washington, D.C.

Search for one-way flight options from Washington, D.C. to Belfast. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to Belfast. Users in need of a round-trip flight from Washington, D.C. to Belfast instead should update the search form at the top of page.
Sat 9/283:20 pmIAD - BHD
1 stop13h 05mLufthansa
Deal found 5/7$403
Sat 9/282:15 pmIAD - BHD
2 stops21h 35mDelta
Deal found 5/7$418
Sat 9/286:25 pmBWI - BHD
2 stops17h 25mDelta
Deal found 5/7$418
Sat 9/281:30 pmDCA - BHD
2 stops22h 20mDelta
Deal found 5/7$418
Sat 9/289:25 pmBWI - BHD
1 stop14h 00mMultiple Airlines
Deal found 5/7$457
Tue 7/211:15 pmIAD - BHD
2 stops37h 20mMultiple Airlines
Deal found 5/7$550
Tue 7/25:50 pmIAD - BHD
1 stop18h 00mDelta
Deal found 5/7$747

Find flights from Washington, D.C. to Belfast within your budget

Customize your flight search to find flights from Washington, D.C. to Belfast 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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$595 - $1,059

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

1 stop14h 05m

Belfast City

Sat 10/19

1 stop29h 45m

$595

Baltimore/WashingtonBelfast City

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 10/13

1 stop10h 35m

Belfast City

Sat 10/19

1 stop29h 45m

$595

Baltimore/WashingtonBelfast City

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 10/13

2 stops13h 53m

Belfast City

Sat 10/19

1 stop28h 50m

$602

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 8/21

2 stops21h 25m

Belfast City

Sat 8/31

1 stop18h 40m

$609

Baltimore/WashingtonBelfast City

BWI - BHD

BWIBHD

Baltimore/Washington

Mon 9/16

2 stops14h 18m

Belfast City

Thu 9/26

1 stop18h 05m

$609

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

2 stops16h 00m

Belfast City

Sat 10/19

1 stop27h 15m

$673

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 8/11

2 stops16h 00m

Belfast City

Sun 8/18

2 stops30h 33m

$713

Washington, D.C. Reagan-NationalBelfast City

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 9/17

2 stops15h 00m

Belfast City

Wed 9/25

2 stops19h 59m

$841

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 9/16

2 stops15h 50m

Belfast City

Sun 9/29

1 stop14h 40m

$1,059

Flights are sorted by cheapest first

Deals found on 5/8

When is the cheapest time to fly from Washington, D.C. to Belfast?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Belfast. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. to Belfast flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Belfast by month

Plan your trip from Washington, D.C. to Belfast by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to Belfast is currently $487 while a round-trip flight costs $700. Price data was last updated on May 5, 2024.

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Belfast (average of $641). Flying from Washington, D.C. to Belfast in June is currently the most expensive (average of $1,181). 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.

January

$685

February

$641

March

$690

April

$685

May

$781

June

$1,181

July

$991

August

$867

September

$769

October

$684

November

$658

December

$733

Temperature and rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated May 8, 2024.
Read reviews from past customers who have flown British Airways, American Airlines and Delta from Washington, D.C. to Belfast. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,789 reviews

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.1
Very good
10,789 reviews
8.1
Very good
10,789 reviews

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,592 reviews
8.1
Very good
10,789 reviews

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,677 reviews
8.1
Very good
10,789 reviews

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.1
Good
2,745 reviews
8.1
Very good
10,789 reviews

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.0
Good
7,691 reviews
8.1
Very good
10,789 reviews

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Washington, D.C. to Belfast for under $600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to Belfast for under $600. The cheapest flight booked recently is on British Airways for just $595, but on average you can expect to pay $623.

  • What are the cheapest airlines flying from Washington, D.C. to Belfast round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Belfast round-trip from $595. Other airlines that can offer you cheap pricing are American Airlines, from $609, and Delta, from $673. You may be able to fly from Washington, D.C. to Belfast for 29% less than the average price by searching for these airlines.

  • What are the most popular routes from Washington, D.C. to Belfast?

  • What does IAD to BFS mean?

    IAD and BFS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to BFS refers to a flight route from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

  • Can I find deals for flights from Washington, D.C. to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. to Belfast flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington, D.C. to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. to Belfast flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington, D.C. to Belfast that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Belfast?

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

  • Can I find deals for business class flights from Washington, D.C. to Belfast?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Washington, D.C. to Belfast that allow pets onboard?

    Many airlines flying from Washington, D.C. to Belfast offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington, D.C. to Belfast?

    Yes, you can often find last-minute deals on Washington, D.C. to Belfast flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. to Belfast flight deals updated?

    The Washington, D.C. to Belfast flight deals you see on this page were last updated on 5/8.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Belfast
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington, D.C. to Belfast

Discover the top 2 airlines that operate flights from Washington, D.C. to Belfast. 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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$626Average$876FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$626Average$754FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Washington, D.C. to Belfast by cabin class

Find flights from Washington, D.C. to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington, D.C. to Belfast?

Deals for Washington, D.C. to Belfast flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Belfast?

Cheapflights helps you find that perfect flight to Belfast from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Washington, D.C. to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from Washington, D.C. to Belfast with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Belfast become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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