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Cheap flights from Dulles Intl (IAD) to Belfast from $344

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 9/8. 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.
IAD — BHD
May 19 — May 261
From?
To?
Sun 5/19
Sun 5/26
1 adult, Economy
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Cheap flight deals from Dulles Intl to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 14, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$640

One-way from

$454
High demand for flights, 27% potential price rise
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Best time to find cheap flights, 28% potential price drop
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From Washington, D.C. Dulles Intl to Belfast
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One-way flight from Washington, D.C. Dulles Intl to Belfast
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What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Belfast?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 25% when planning your travel around this day of the week.

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

The best pricing can be found in the month of September. Prices to Belfast from Washington, D.C. Dulles Intl Airport average $840. You can even find prices in September for less than $840, as users have found deals to Belfast from as low as $678. The month of December appears to be one of the more expensive times to travel to Belfast from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 40%.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Belfast (IAD - BFS)?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Belfast is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 13% on airfare.

Cheap British Airways flights from Dulles Intl to Belfast

Explore cheap flight options specifically provided by British Airways for the route between Dulles Intl 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 2,633,403 searches. Data last updated May 14, 2024.
Check out some of the cheapest British Airways flights we've come across from Washington, D.C. to Belfast. Make sure to double check the flight details before booking.
Sun 10/1310:50 pmIAD - BHD
1 stop10h 45mBritish Airways
Sat 10/196:55 pmBHD - IAD
1 stop30h 40mBritish Airways
Deal found 5/13$594
Sun 10/135:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Sat 10/197:50 pmBHD - IAD
1 stop29h 45mBritish Airways
Deal found 5/14$595
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Wed 9/1111:50 amBHD - IAD
1 stop13h 40mBritish Airways
Deal found 5/13$605
Tue 9/175:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Fri 9/276:35 amBHD - IAD
2 stops18h 09mBritish Airways
Deal found 5/13$642
Sun 8/115:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Sun 8/187:40 pmBHD - IAD
1 stop25h 00mBritish Airways
Deal found 5/13$657
Sun 8/111:10 pmIAD - BHD
2 stops18h 50mBritish Airways
Sun 8/187:40 pmBHD - IAD
1 stop29h 50mBritish Airways
Deal found 5/13$696
Fri 5/313:27 pmIAD - BHD
2 stops16h 13mBritish Airways
Sun 6/911:20 amBHD - IAD
1 stop14h 15mBritish Airways
Deal found 5/13$757
Fri 5/313:27 pmIAD - BHD
2 stops16h 13mBritish Airways
Sun 6/96:50 amBHD - IAD
2 stops22h 09mBritish Airways
Deal found 5/13$766
Sat 6/110:45 pmIAD - BHD
1 stop12h 40mBritish Airways
Sat 6/89:40 amBHD - IAD
1 stop15h 50mBritish Airways
Deal found 5/14$1,579

Cheap Lufthansa flights from Dulles Intl to Belfast

Explore cheap flight options specifically provided by Lufthansa for the route between Dulles Intl 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 2,633,403 searches. Data last updated May 14, 2024.
Browse through some of the cheapest Lufthansa flights traveling from Washington, D.C. to Belfast. Check back soon if you're not seeing flights that suit your needs.
Wed 6/196:00 pmIAD - BHD
1 stop15h 50mLufthansa
Sun 6/3010:15 amBHD - IAD
1 stop34h 50mLufthansa
Deal found 5/13$1,368
Sat 6/15:25 pmIAD - BHD
1 stop11h 00mLufthansa
Sun 6/910:15 amBHD - IAD
1 stop34h 50mLufthansa
Deal found 5/13$1,449

Cheap Dulles Intl to Belfast flights in May & June 2024

Find cheap flight options from Dulles Intl 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 2,633,403 searches. Prices were last updated on May 14, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sat 6/112:35 pmIAD - BHD
2 stops23h 15mDelta
Sat 6/85:20 pmBHD - IAD
2 stops27h 39mDelta
Deal found 5/14$712
Fri 5/313:27 pmIAD - BHD
2 stops16h 13mBritish Airways
Sun 6/911:20 amBHD - IAD
1 stop14h 15mBritish Airways
Deal found 5/13$757
Sat 6/14:59 pmIAD - BHD
2 stops18h 51mDelta
Sat 6/85:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/14$761
Fri 5/313:27 pmIAD - BHD
2 stops16h 13mBritish Airways
Sun 6/96:50 amBHD - IAD
2 stops22h 09mBritish Airways
Deal found 5/13$766
Wed 6/125:50 pmIAD - BHD
1 stop18h 00mDelta
Wed 6/195:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/13$947
Wed 6/125:03 pmIAD - BHD
2 stops18h 47mDelta
Wed 6/195:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/13$951
Wed 6/125:03 pmIAD - BHD
2 stops18h 47mDelta
Wed 6/195:20 pmBHD - IAD
2 stops28h 07mDelta
Deal found 5/13$961
Sat 6/15:17 pmIAD - BFS
2 stops23h 23mMultiple Airlines
Sun 6/910:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$987
Fri 5/315:25 pmIAD - BHD
1 stop18h 25mDelta
Sun 6/95:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/13$997

Dulles Intl to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 14, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sun 10/1310:50 pmIAD - BHD
1 stop10h 45mBritish Airways
Sat 10/196:55 pmBHD - IAD
1 stop30h 40mBritish Airways
Deal found 5/13$594
Sun 10/135:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Sat 10/197:50 pmBHD - IAD
1 stop29h 45mBritish Airways
Deal found 5/14$595
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Wed 9/1111:50 amBHD - IAD
1 stop13h 40mBritish Airways
Deal found 5/13$605
Tue 8/2710:45 pmIAD - BHD
1 stop11h 35mAmerican Airlines
Wed 9/119:50 amBHD - IAD
2 stops18h 57mAmerican Airlines
Deal found 5/13$614
Sun 10/137:50 pmIAD - BHD
2 stops16h 00mDelta
Sat 10/195:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/13$632
Tue 9/175:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Fri 9/276:35 amBHD - IAD
2 stops18h 09mBritish Airways
Deal found 5/13$642
Sun 8/115:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Sun 8/187:40 pmBHD - IAD
1 stop25h 00mBritish Airways
Deal found 5/13$657
Tue 8/272:15 pmIAD - BHD
2 stops21h 35mDelta
Wed 9/115:20 pmBHD - IAD
2 stops34h 23mDelta
Deal found 5/13$677
Sun 10/136:00 pmIAD - BHD
2 stops17h 50mDelta
Sat 10/195:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/14$687

Dulles Intl to Belfast flights leaving soon

Find last-minute flight options from Dulles Intl to Belfast for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 14, 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to Belfast. Users should examine the flight details to ensure there are no surprises.
Fri 5/245:25 pmIAD - BHD
1 stop18h 25mDelta
Mon 5/275:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/13$1,117
Fri 5/2412:35 pmIAD - BHD
2 stops23h 15mDelta
Mon 5/275:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/13$1,121
Fri 5/2412:35 pmIAD - BHD
2 stops23h 15mDelta
Mon 5/275:20 pmBHD - IAD
2 stops32h 13mDelta
Deal found 5/13$1,131

One-way flights to Belfast from Dulles Intl

Search for one-way flight options from Dulles Intl 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 2,633,403 searches. Data last updated May 14, 2024.
Users traveling one-way from Washington, D.C. to Belfast can select one of these great deals. Users needing a return flight from Washington, D.C. to Belfast should utilize the search form above.
Sun 9/86:50 pmIAD - BFS
2 stops18h 15mMultiple Airlines
Deal found 5/13$344
Sat 9/283:20 pmIAD - BHD
1 stop13h 05mLufthansa
Deal found 5/14$383
Sat 9/283:00 pmIAD - BHD
2 stops20h 50mDelta
Deal found 5/14$399
Sun 9/87:50 pmIAD - BHD
2 stops16h 00mDelta
Deal found 5/13$434
Sun 9/83:20 pmIAD - BHD
1 stop18h 30mLufthansa
Deal found 5/13$454
Tue 7/26:50 pmIAD - BHD
3 stops17h 30mMultiple Airlines
Deal found 5/13$484
Tue 7/211:15 pmIAD - BHD
2 stops37h 05mMultiple Airlines
Deal found 5/13$583
Tue 7/28:40 pmIAD - BHD
2 stops19h 10mAer Lingus
Deal found 5/13$663
Tue 7/25:50 pmIAD - BHD
1 stop18h 00mDelta
Deal found 5/13$737

Find flights from Dulles Intl to Belfast within your budget

Customize your flight search to find flights from Dulles Intl 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 2,633,403 searches. Data last updated May 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$594 - $1,368

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

1 stop10h 45m

Belfast City

Sat 10/19

1 stop30h 40m

$594

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

1 stop10h 10m

Belfast City

Sat 10/19

1 stop29h 45m

$595

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

1 stop13h 40m

Belfast City

Wed 9/11

1 stop13h 40m

$605

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

1 stop11h 35m

Belfast City

Wed 9/11

2 stops18h 57m

$614

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

$632

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

2 stops21h 35m

Belfast City

Wed 9/11

2 stops34h 23m

$677

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

2 stops17h 50m

Belfast City

Sat 10/19

1 stop27h 15m

$687

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

2 stops14h 33m

Belfast City

Sat 10/19

2 stops25h 23m

$777

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 6/19

1 stop15h 50m

Belfast City

Sun 6/30

1 stop34h 50m

$1,368

Flights are sorted by cheapest first

Deals found on 5/13

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Belfast. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Belfast flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Belfast by month

Plan your trip from Dulles Intl to Belfast by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Belfast is currently $498 while a round-trip flight costs $728. Price data was last updated on May 12, 2024.

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belfast (average of $641). Flying from Washington, D.C. Dulles Intl Airport 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

$673

May

$788

June

$1,181

July

$991

August

$863

September

$759

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 14, 2024.
Peruse reviews from past customers who have flown with British Airways, Lufthansa and Delta from Washington, D.C. to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

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.

Delta
8.0
Very good
10,706 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

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.

American Airlines
7.3
Good
14,575 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

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.

Aer Lingus
7.2
Good
1,336 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

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.

Lufthansa
7.0
Good
7,678 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

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.

British Airways
6.8
Okay
6,841 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

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 Dulles Intl 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. Dulles Intl Airport to Belfast for under $600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Belfast for under $600. The cheapest flight booked recently is on British Airways for just $594, but on average you can expect to pay $716.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Belfast for under $1,200?

    There are currently 3+ open flights from Washington, D.C. Dulles Intl Airport to Belfast within the next 7 days for less than $1,200.

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

    Flying on British Airways is currently your cheapest option to Belfast, with prices starting at $594. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $614 and $632, respectively. British Airways is priced at 34% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Belfast one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Belfast are Lufthansa ($383), Delta ($399), and Aer Lingus ($663).

  • What does IAD to BFS mean?

    This is defined as Washington, D.C. Dulles Intl Airport (IAD) and Belfast Intl Airport (BFS). Codes like Belfast Intl Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY), Glasgow Prestwick Airport (PIK), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

  • Can I find deals for flights from Dulles Intl to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl 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 Dulles Intl to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl 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 Dulles Intl to Belfast that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Belfast?

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

  • Can I find deals for business class flights from Dulles Intl to Belfast?

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Dulles Intl to Belfast that allow pets onboard?

    Many airlines flying from Dulles Intl 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 Dulles Intl to Belfast?

    Yes, you can often find last-minute deals on Dulles Intl 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. Dulles Intl Airport to Belfast flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Belfast flight deals you see on this page were last updated on 5/14.

See more FAQs

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Alternative routes for Dulles Intl to Belfast
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Dulles Intl to Belfast

Discover the top 2 airlines that operate flights from Dulles Intl 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 2,633,403 searches. Data last updated May 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$626Average$754FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$626Average$881FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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Washington, D.C. Dulles Intl Airport to Scottsbluff flights

Search flights from Dulles Intl to Belfast by cabin class

Find flights from Dulles Intl to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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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 Dulles Intl to Belfast?

Cheapflights makes it easy to find Dulles Intl to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Belfast?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Belfast.

Can Cheapflights find flights from Dulles Intl to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from Dulles Intl to Belfast with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Belfast become cheaper?

Yes, Cheapflights offers price alerts on Dulles Intl to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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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.
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