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$631+ Cheap flights from Baltimore (BWI) to Belfast

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BHD
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Baltimore to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 June 18, 2025.

Round-trip from

$641
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$1,232
From Baltimore/Washington to Belfast
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Baltimore to Belfast

Cheapest flights from Baltimore to Belfast
Explore the most affordable flight options available from Baltimore to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:20 pmBWI - BHD
1 stop13h 10mAmerican Airlines
Sun 10/269:10 amBHD - BWI
1 stop14h 35mAmerican Airlines
Deal found 6/15$631
This Orbitz deal was found by Cheapflights users on 6/18. 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.
Sun 9/289:20 pmBWI - BHD
1 stop12h 20mBritish Airways
Sat 10/47:00 pmBHD - BWI
1 stop29h 35mBritish Airways
Deal found 6/18$633
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:40 pmBWI - BHD
2 stops16h 15mDelta
Sat 10/256:30 amBHD - BWI
2 stops21h 26mDelta
Deal found 6/15$722
This PLAY deal was found by Cheapflights users on 6/18. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:50 pmBWI - BFS
2 stops18h 55mMultiple Airlines
Sat 10/46:00 amBFS - BWI
2 stops16h 40mMultiple Airlines
Deal found 6/18$725
This Mytrip deal was found by Cheapflights users on 6/18. 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.
Sun 9/286:50 pmBWI - BHD
3 stops21h 05mMultiple Airlines
Sat 10/43:15 pmBHD - BWI
3 stops31h 25mMultiple Airlines
Deal found 6/18$890
This KLM deal was found by Cheapflights users on 6/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:29 pmBWI - BHD
2 stops16h 26mKLM
Sat 12/206:30 amBHD - BWI
2 stops15h 23mKLM
Deal found 6/18$1,297

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore 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 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Baltimore to Belfast that are best for you.

Fly from

Baltimore

Fly to

Belfast

Route

Depart

Return

Price

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Fri 10/17

9:20 pm-3:30 pm

1 stop13h 10m

Belfast City

Sun 10/26

9:10 am-7:45 pm

1 stop14h 35m

$631

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 9/28

9:20 pm-2:40 pm

1 stop12h 20m

Belfast City

Sat 10/4

7:00 pm-7:35 pm

1 stop29h 35m

$633

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Thu 10/16

7:40 pm-4:55 pm

2 stops16h 15m

Belfast City

Sat 10/25

6:30 am-10:56 pm

2 stops21h 26m

$722

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sun 9/28

6:50 pm-6:45 pm

2 stops18h 55m

Belfast Intl

Sat 10/4

6:00 am-5:40 pm

2 stops16h 40m

$725

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 9/28

6:50 pm-8:55 pm

3 stops21h 05m

Belfast City

Sat 10/4

3:15 pm-5:40 pm

3 stops31h 25m

$890

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sat 9/6

7:29 pm-4:55 pm

2 stops16h 26m

Belfast City

Sat 12/20

6:30 am-4:53 pm

2 stops15h 23m

$1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Best time to book a flight from Baltimore to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Baltimore 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 Baltimore to Belfast

What is the cheapest month to book a flight from Baltimore to Belfast?

Currently, February is the cheapest month in which you can book a flight from Baltimore to Belfast (average of $657). Flying from Baltimore to Belfast in June is currently the most expensive (average of $1,189). 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.

Rainfall in Belfast by month

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

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

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

If weather is an important factor for your trip to Belfast, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 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 June 18, 2025.
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

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!
KLM
7.8
Good
1,364 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

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!
British Airways
6.6
Okay
7,031 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

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 Baltimore to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Baltimore to Belfast?

    If you book a flight to Belfast from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore. There are 0 flights from Baltimore/Washington to Belfast per day from 0 different airlines.

  • What are the cheapest airlines flying from Baltimore to Belfast round-trip?

    According to our current data, American Airlines ($641), British Airways ($656), and Delta ($812) offers the cheapest pricing from Baltimore to Belfast.

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

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

  • How can I find direct flights from Baltimore to Belfast?

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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.

  • What is the cheapest month to book a flight from Baltimore to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Belfast (average of $657). Flying from Baltimore to Belfast in June is currently the most expensive (average of $1,189). 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.

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