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Cheap flights from Maryland to Belfast Intl Airport from £473

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BFS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Maryland to Belfast Intl

Keep the following information in mind while searching for Maryland to Belfast Intl flight deals. Data was last updated 17 September 2025.

Round-trip from

£473

Popular in

June

Cheapest in

February

Average price

£474
13/10-20/10
  • 13/10-20/10
  • 6 total stops
  • 72h 20m total
  • Maryland to Belfast
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Maryland to Belfast Intl

Cheapest flights from Maryland to Belfast Intl
Explore the most affordable flight options available from Maryland to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Mon 13/1017:45IAD - BFS
3 stops25h 00mMultiple Airlines
Mon 20/1021:00BFS - IAD
3 stops47h 20mMultiple Airlines
Deal found 15/9£473
Tue 28/1018:30IAD - BFS
3 stops23h 00mMultiple Airlines
Tue 4/1107:05BFS - IAD
3 stops42h 55mMultiple Airlines
Deal found 16/9£493
Fri 31/1022:00IAD - BFS
2 stops20h 00mMultiple Airlines
Fri 7/1108:05BFS - IAD
2 stops16h 25mMultiple Airlines
Deal found 16/9£523
Mon 13/1018:50BWI - BFS
2 stops18h 55mMultiple Airlines
Mon 20/1022:00BFS - BWI
3 stops24h 40mMultiple Airlines
Deal found 15/9£539
Thu 30/1018:30IAD - BFS
3 stops19h 05mMultiple Airlines
Thu 6/1108:15BFS - IAD
3 stops41h 45mMultiple Airlines
Deal found 15/9£564
Mon 6/1018:50BWI - BFS
2 stops14h 00mMultiple Airlines
Mon 20/1006:45BFS - BWI
2 stops15h 55mMultiple Airlines
Deal found 16/9£614
Thu 30/1020:40BWI - BFS
3 stops23h 05mMultiple Airlines
Thu 6/1106:30BFS - BWI
2 stops31h 20mMultiple Airlines
Deal found 15/9£621
Tue 25/1117:30IAD - BFS
3 stops22h 00mMultiple Airlines
Fri 28/1120:50BFS - IAD
2 stops23h 45mMultiple Airlines
Deal found 15/9£713
Thu 16/1007:30PHL - BFS
3 stops33h 55mMultiple Airlines
Thu 23/1009:50BFS - PHL
3 stops40h 07mMultiple Airlines
Deal found 16/9£729
Sat 1/1120:40BWI - BFS
2 stops19h 35mMultiple Airlines
Sat 8/1108:10BFS - BWI
2 stops15h 30mMultiple Airlines
Deal found 16/9£735
Fri 31/1020:40BWI - BFS
2 stops16h 05mMultiple Airlines
Fri 7/1106:30BFS - BWI
2 stops31h 20mMultiple Airlines
Deal found 16/9£760
Fri 31/1018:30PHL - BFS
2 stops18h 05mMultiple Airlines
Fri 7/1121:30BFS - PHL
2 stops23h 30mMultiple Airlines
Deal found 16/9£977

Cheapflights Fare Finder

 
Customise your flight search to find flights from Maryland to Belfast Intl 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 858,174 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Maryland to Belfast Intl Airport that are best for you.

Fly from

Maryland

Fly to

Belfast Intl

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 13/10

17:45-23:45

3 stops25h 00m

Belfast Intl

Mon 20/10

21:00-15:20

3 stops47h 20m

£473

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Mon 16/2

15:30-17:00

2 stops20h 30m

Belfast Intl

Sun 15/3

11:00-15:49

2 stops32h 49m

£493

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 31/10

22:00-22:00

2 stops20h 00m

Belfast Intl

Fri 7/11

08:05-19:30

2 stops16h 25m

£523

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 13/10

18:50-18:45

2 stops18h 55m

Belfast Intl

Mon 20/10

22:00-17:40

3 stops24h 40m

£539

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 28/10

20:40-21:50

2 stops21h 10m

Belfast Intl

Tue 4/11

06:30-18:30

2 stops17h 00m

£563

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 30/10

18:30-17:35

3 stops19h 05m

Belfast Intl

Thu 6/11

08:15-21:00

3 stops41h 45m

£564

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 6/10

18:50-13:50

2 stops14h 00m

Belfast Intl

Mon 20/10

06:45-17:40

2 stops15h 55m

£614

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Thu 30/10

20:40-23:45

3 stops23h 05m

Belfast Intl

Thu 6/11

06:30-08:50

2 stops31h 20m

£621

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 25/11

17:30-20:30

3 stops22h 00m

Belfast Intl

Fri 28/11

20:50-15:35

2 stops23h 45m

£713

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

Thu 16/10

07:30-22:25

3 stops33h 55m

Belfast Intl

Thu 23/10

09:50-20:57

3 stops40h 07m

£729

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 13 results
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Best time to book a flight from Maryland to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Maryland with our price prediction graph.
Estimated return 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 Maryland to Belfast Intl Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Maryland to Belfast Intl Airport?

    The most popular route from Maryland to Belfast Intl Airport is Washington, D.C. Dulles Intl - Belfast Intl. You may also consider Philadelphia - Belfast Intl or Baltimore/Washington - Belfast Intl.

  • Can I find deals for flights from Maryland to Belfast Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland to Belfast Intl 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 Maryland to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Maryland to Belfast Intl Airport (average of £67). Flying from Maryland to Belfast Intl Airport in July is currently the most expensive (average of £90). 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for Maryland to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

How does Cheapflights help users find flights from Maryland to Belfast Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Maryland to Belfast Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Maryland to Belfast Intl for you. Better yet — we are completely free to use.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Maryland today and book when prices fit your budget.

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