Cheap flights from Washington to Northern Ireland from $535

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 5/28. 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.
SEA — BFS
May 25 — Jun 11

What is the cheapest month to fly from State of Washington to Northern Ireland?

Flights from State of Washington to Northern Ireland lean towards being more expensive in June. Prices are generally better when you fly from State of Washington to Northern Ireland in April, with the cheapest ticket starting at $719.

When is the cheapest time to fly from State of Washington to Northern Ireland (WA - NIR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Northern Ireland as you normally would.

Cheap British Airways flights from Washington to Northern Ireland

Explore cheap flight options specifically provided by British Airways for the route between Washington and Northern Ireland. 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 2,621,518 searches. Data last updated May 20, 2024.
Peruse some of the lowest-priced British Airways flights we've found from Washington to Northern Ireland. Come back soon if you're not finding the exact deal you're looking for.
Tue 10/297:45 pmSEA - BHD
1 stop13h 55mBritish Airways
Sun 11/39:40 amBHD - SEA
1 stop15h 05mBritish Airways
Deal found 5/19$693
Wed 9/47:15 pmPDX - BHD
1 stop12h 20mBritish Airways
Wed 9/186:50 amBHD - PDX
1 stop18h 35mBritish Airways
Deal found 5/18$713
Wed 9/41:39 pmPDX - BHD
2 stops15h 46mBritish Airways
Wed 9/189:50 amBHD - PDX
1 stop15h 35mBritish Airways
Deal found 5/19$718
Fri 10/47:40 pmSEA - BHD
1 stop14h 30mBritish Airways
Tue 10/84:20 pmBHD - SEA
1 stop27h 15mBritish Airways
Deal found 5/18$721
Sat 9/143:41 pmSEA - BHD
2 stops35h 49mBritish Airways
Sat 9/286:50 amBHD - SEA
2 stops22h 43mBritish Airways
Deal found 5/19$732
Thu 8/2212:59 amPDX - BHD
2 stops35h 46mBritish Airways
Sun 9/111:20 amBHD - PDX
1 stop14h 05mBritish Airways
Deal found 5/18$761
Mon 8/1912:59 amPDX - BHD
2 stops25h 36mBritish Airways
Tue 8/276:15 pmBHD - PDX
2 stops36h 53mBritish Airways
Deal found 5/18$763
Thu 8/2212:59 amPDX - BHD
2 stops35h 46mBritish Airways
Sun 9/16:50 amBHD - PDX
1 stop18h 35mBritish Airways
Deal found 5/19$765
Sat 8/107:15 pmPDX - BHD
1 stop13h 35mBritish Airways
Sun 8/187:40 pmBHD - PDX
2 stops35h 28mBritish Airways
Deal found 5/18$822

Cheap American Airlines flights from Washington to Northern Ireland

Explore cheap flight options specifically provided by American Airlines for the route between Washington and Northern Ireland. 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 2,621,518 searches. Data last updated May 20, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Washington to Northern Ireland. Deals are refreshing constantly so come back soon for more options.
Tue 10/291:39 pmSEA - BHD
2 stops17h 46mAmerican Airlines
Sun 11/35:35 amBHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 5/19$698
Tue 10/291:39 pmSEA - BHD
2 stops17h 46mAmerican Airlines
Sun 11/35:35 amBHD - SEA
2 stops21h 53mAmerican Airlines
Deal found 5/19$708
Fri 10/256:00 amPDX - BHD
2 stops23h 40mAmerican Airlines
Sat 10/264:15 pmBHD - PDX
1 stop33h 15mAmerican Airlines
Deal found 5/18$712
Fri 8/233:15 pmPDX - BHD
2 stops21h 30mAmerican Airlines
Sun 9/16:50 amBHD - PDX
1 stop18h 35mAmerican Airlines
Deal found 5/18$722
Wed 9/41:39 pmPDX - BHD
2 stops17h 56mAmerican Airlines
Wed 9/1811:50 amBHD - PDX
2 stops19h 12mAmerican Airlines
Deal found 5/18$728
Fri 8/233:15 pmPDX - BHD
2 stops21h 30mAmerican Airlines
Sun 9/16:50 amBHD - PDX
2 stops22h 11mAmerican Airlines
Deal found 5/18$731
Sat 9/711:33 amSEA - BHD
2 stops16h 47mAmerican Airlines
Sat 9/214:15 pmBHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 5/19$734
Sat 9/711:33 amSEA - BHD
2 stops19h 32mAmerican Airlines
Sat 9/216:50 amBHD - SEA
2 stops22h 21mAmerican Airlines
Deal found 5/19$744
Sat 8/1010:08 amSEA - BHD
2 stops18h 12mAmerican Airlines
Sat 8/244:15 pmBHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 5/19$797

Washington to Northern Ireland 2024 flight deals

Discover exclusive flight deals for travel between Washington and Northern Ireland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,621,518 searches. Data last updated May 20, 2024.
Listed are some of the best fares we've found on flights departing from Washington to Northern Ireland in 2024. For more flight deals, be sure to check back very soon.
Tue 10/297:45 pmSEA - BHD
1 stop13h 55mBritish Airways
Sun 11/39:40 amBHD - SEA
1 stop15h 05mBritish Airways
Deal found 5/19$693
Tue 10/291:39 pmSEA - BHD
2 stops17h 46mAmerican Airlines
Sun 11/35:35 amBHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 5/19$698
Tue 10/291:39 pmSEA - BHD
2 stops17h 46mAmerican Airlines
Sun 11/35:35 amBHD - SEA
2 stops21h 53mAmerican Airlines
Deal found 5/19$708
Fri 10/256:00 amPDX - BHD
2 stops23h 40mAmerican Airlines
Sat 10/264:15 pmBHD - PDX
1 stop33h 15mAmerican Airlines
Deal found 5/19$712
Sat 8/107:15 pmPDX - BHD
1 stop15h 40mBritish Airways
Mon 9/99:50 amBHD - PDX
1 stop15h 35mBritish Airways
Deal found 5/19$713
Fri 12/136:40 pmPDX - BHD
1 stop14h 25mBritish Airways
Sun 12/299:40 amBHD - PDX
1 stop14h 50mBritish Airways
Deal found 5/19$715
Sat 8/1011:34 amPDX - BHD
2 stops16h 46mBritish Airways
Mon 9/96:35 amBHD - PDX
1 stop18h 50mBritish Airways
Deal found 5/19$718
Fri 10/47:40 pmSEA - BHD
1 stop14h 30mBritish Airways
Tue 10/84:20 pmBHD - SEA
1 stop27h 15mBritish Airways
Deal found 5/18$721
Fri 8/231:25 pmPDX - BHD
2 stops23h 20mAmerican Airlines
Sun 9/15:35 pmBHD - PDX
1 stop31h 50mAmerican Airlines
Deal found 5/19$722

One-way flights to Northern Ireland from Washington

Search for one-way flight options from Washington to Northern Ireland. 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 2,621,518 searches. Data last updated May 20, 2024.
Some of the best available deals we've found on one-way flights from Washington to Northern Ireland. Those needing a return flight from Washington to Northern Ireland can use the search form above.
Tue 5/289:35 amSEA - BHD
3 stops48h 05mMultiple Airlines
Deal found 5/19$535
Fri 7/266:45 pmSEA - BHD
2 stops17h 10mAer Lingus
Deal found 5/19$573
Fri 7/266:10 pmSEA - BHD
1 stop14h 40mDelta
Deal found 5/19$580
Tue 5/288:14 pmSEA - BHD
2 stops40h 31mMultiple Airlines
Deal found 5/19$687
Tue 5/287:40 pmSEA - BHD
1 stop13h 45mBritish Airways
Deal found 5/19$784
Mon 5/271:15 amSEA - BHD
2 stops30h 05mAmerican Airlines
Deal found 5/19$864
Tue 5/285:20 amSEA - BFS
2 stops24h 45mMultiple Airlines
Deal found 5/19$961
Tue 5/281:22 pmSEA - BFS
3 stops33h 28mMultiple Airlines
Deal found 5/19$1,005
Tue 5/283:50 pmSEA - BFS
2 stops19h 40mMultiple Airlines
Deal found 5/18$1,286

Find flights from Washington to Northern Ireland within your budget

Customize your flight search to find flights from Washington to Northern Ireland 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 2,621,518 searches. Data last updated May 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$693 - $1,192

Route

Depart

Return

Price

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 10/29

1 stop13h 55m

Belfast City

Sun 11/3

1 stop15h 05m

$693

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 10/29

2 stops17h 46m

Belfast City

Sun 11/3

1 stop18h 10m

$698

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 10/29

2 stops17h 46m

Belfast City

Sun 11/3

2 stops21h 53m

$708

PortlandBelfast City

PDX - BHD

PDXBHD

Portland

Fri 10/25

2 stops23h 40m

Belfast City

Sat 10/26

1 stop33h 15m

$712

PortlandBelfast City

PDX - BHD

PDXBHD

Portland

Wed 9/4

1 stop12h 20m

Belfast City

Wed 9/18

1 stop18h 35m

$713

PortlandBelfast City

PDX - BHD

PDXBHD

Portland

Wed 9/4

2 stops15h 46m

Belfast City

Wed 9/18

1 stop15h 35m

$718

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Fri 10/4

2 stops24h 50m

Belfast City

Tue 10/8

1 stop31h 30m

$783

PortlandBelfast City

PDX - BHD

PDXBHD

Portland

Thu 5/30

1 stop18h 35m

Belfast City

Thu 9/5

2 stops33h 36m

$1,097

Seattle/Tacoma IntlBelfast Intl

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Mon 8/12

2 stops20h 00m

Belfast Intl

Mon 8/19

2 stops37h 41m

$1,192

Flights are sorted by cheapest first

Deals found on 5/19

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated May 20, 2024.
Read through reviews of airlines operating flights from Washington to Northern Ireland, such as British Airways, American Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,635 reviews

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

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.

8.0
Very good
10,635 reviews
8.0
Very good
10,635 reviews

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

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.

7.9
Good
1,558 reviews
8.0
Very good
10,635 reviews

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

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.

7.3
Good
14,472 reviews
8.0
Very good
10,635 reviews

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

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.

7.2
Good
1,331 reviews
8.0
Very good
10,635 reviews

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

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.

7.0
Good
7,642 reviews
8.0
Very good
10,635 reviews

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

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 Washington to Northern Ireland. 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 State of Washington to Northern Ireland for under $700 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Northern Ireland for under $700. The cheapest flight booked recently is on British Airways for just $693, but on average you can expect to pay $742.

  • What are the cheapest airlines to fly from State of Washington to Northern Ireland one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $573. Delta flights start at $580 while deals on British Airways start at $784 one-way.

  • What does SEA to BFS mean?

    Seattle/Tacoma Intl Airport is SEA and Belfast Intl Airport is BFS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Washington to Northern Ireland that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Northern Ireland 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 to Northern Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Northern Ireland 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 to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Washington to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Northern Ireland?

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

  • Can I find deals for business class flights from Washington to Northern Ireland?

    Yes. Cheapflights offers flight deals from Washington to Northern Ireland 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 to Northern Ireland that allow pets onboard?

    Many airlines flying from Washington to Northern Ireland 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 to Northern Ireland?

    Yes, you can often find last-minute deals on Washington to Northern Ireland 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 State of Washington to Northern Ireland flight deals updated?

    The State of Washington to Northern Ireland flight deals you see on this page were last updated on 5/19.

See more FAQs

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Alternative routes for Washington to Northern Ireland
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington to Northern Ireland

Discover the top 2 airlines that operate flights from Washington to Northern Ireland. 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 2,621,518 searches. Data last updated May 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$641Average$805FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$667Average$1,022FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Search flights from Washington to Northern Ireland by cabin class

Find flights from Washington to Northern Ireland, 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 to Northern Ireland?

Deals for Washington to Northern Ireland 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 to Northern Ireland?

Cheapflights simply makes it quick and affordable to book flights from Washington to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington to Northern Ireland with no change fees?

Yes! Cheapflights helps users easily find flights from Washington to Northern Ireland with no change fees.

Can Cheapflights notify me if prices for flights from Washington to Northern Ireland become cheaper?

Of course! You can now track prices for flights from Washington to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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