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

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £355. However, be on the lookout for offers from Delta and Aer Lingus, as they are both options that can get you from State of Washington to Northern Ireland for a low price.

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

Our data shows that October tends to be the cheapest month to fly to Northern Ireland from State of Washington. Users have commonly found prices around £774 for the month, but tickets can be as low as £449. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from WA to NIR?

When flying from State of Washington to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

£284+ Flights from Washington to Northern Ireland

Cheap flight deals from Washington to Northern Ireland

Round-trip from	£524
One-way from	£284

Finnair
5/2-12/2
3 total stops
34h 50m total
Washington to Northern Ireland

Search Deals

3/3
3 total stops
50h 52m total
Washington to Northern Ireland

Search Deals

Find flight deals from Washington to Northern Ireland

Cheapest flights from Washington to Northern Ireland
Explore the most affordable flight options available from Washington to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Wed 5/215:45PDX - BHD

2 stops16h 50mMultiple Airlines

Wed 12/206:35BHD - PDX

1 stop18h 00mMultiple Airlines

Deal found 15/1£524

Fri 4/419:25PDX - BHD

1 stop14h 50mBritish Airways

Thu 10/418:30BHD - PDX

1 stop31h 05mBritish Airways

Deal found 15/1£559

Fri 4/407:35PDX - BHD

2 stops21h 10mFinnair

Thu 10/416:20BHD - PDX

2 stops38h 41mFinnair

Deal found 15/1£565

Tue 4/209:45SEA - BFS

2 stops24h 10mMultiple Airlines

Tue 11/206:30BFS - SEA

2 stops25h 49mMultiple Airlines

Deal found 16/1£578

Tue 4/209:45SEA - BHD

2 stops26h 45mMultiple Airlines

Tue 11/207:25BHD - SEA

2 stops24h 54mMultiple Airlines

Deal found 16/1£588

Tue 4/213:35SEA - BHD

1 stop19h 10mFinnair

Tue 11/209:55BHD - SEA

1 stop15h 00mFinnair

Deal found 16/1£602

Tue 4/213:35SEA - BHD

2 stops19h 10mAmerican Airlines

Tue 11/206:35BHD - SEA

1 stop12h 45mAmerican Airlines

Deal found 16/1£607

Fri 2/513:30SEA - BHD

1 stop15h 15mBritish Airways

Sun 11/506:50BHD - SEA

1 stop19h 30mBritish Airways

Deal found 15/1£682

Fri 17/109:55SEA - BHD

2 stops22h 55mDelta

Fri 24/106:30BHD - SEA

1 stop13h 21mDelta

Deal found 16/1£753

Wed 12/210:10PDX - BFS

3 stops27h 55mMultiple Airlines

Tue 18/217:30BFS - PDX

3 stops32h 54mMultiple Airlines

Deal found 16/1£790

Fri 18/718:45SEA - BHD

2 stops31h 25mAer Lingus

Fri 25/709:50BHD - SEA

2 stops15h 09mAer Lingus

Deal found 16/1£1,245

Fri 20/620:20SEA - BHD

1 stop13h 55mIberia

Sun 13/715:50BHD - SEA

1 stop27h 45mIberia

Deal found 17/1£3,830

Best flights from Washington to Northern Ireland
Discover carefully curated flight deals from Washington to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 January 2025.

Wed 5/215:45PDX - BHD

2 stops16h 50mMultiple Airlines

Wed 12/206:35BHD - PDX

1 stop18h 00mMultiple Airlines

Deal found 15/1£524

Fri 4/419:25PDX - BHD

1 stop14h 50mBritish Airways

Thu 10/418:30BHD - PDX

1 stop31h 05mBritish Airways

Deal found 15/1£559

Fri 4/407:35PDX - BHD

2 stops21h 10mFinnair

Thu 10/416:20BHD - PDX

2 stops38h 41mFinnair

Deal found 15/1£565

Tue 4/213:35SEA - BHD

2 stops19h 10mAmerican Airlines

Tue 11/206:35BHD - SEA

1 stop12h 45mAmerican Airlines

Deal found 16/1£607

Tue 4/209:45SEA - BFS

2 stops24h 10mMultiple Airlines

Tue 11/206:30BFS - SEA

2 stops25h 49mMultiple Airlines

Deal found 16/1£578

Tue 4/213:35SEA - BHD

1 stop19h 10mFinnair

Tue 11/209:55BHD - SEA

1 stop15h 00mFinnair

Deal found 16/1£602

Tue 4/209:45SEA - BHD

2 stops26h 45mMultiple Airlines

Tue 11/207:25BHD - SEA

2 stops24h 54mMultiple Airlines

Deal found 16/1£588

Fri 2/513:30SEA - BHD

1 stop15h 15mBritish Airways

Sun 11/506:50BHD - SEA

1 stop19h 30mBritish Airways

Deal found 15/1£682

Wed 12/210:10PDX - BFS

3 stops27h 55mMultiple Airlines

Tue 18/217:30BFS - PDX

3 stops32h 54mMultiple Airlines

Deal found 16/1£790

Fri 20/620:20SEA - BHD

1 stop13h 55mIberia

Sun 13/715:50BHD - SEA

1 stop27h 45mIberia

Deal found 17/1£3,830

Last-minute flights from Washington to Northern Ireland
Discover last-minute flight deals from Washington to Northern Ireland. Data last updated 17 January 2025 and is based on user searches.

Fri 17/113:35SEA - BHD

2 stops19h 40mBritish Airways

Fri 24/110:10BHD - SEA

2 stops21h 21mBritish Airways

Deal found 16/1£740

Fri 17/109:55SEA - BHD

2 stops22h 55mDelta

Fri 24/106:30BHD - SEA

1 stop13h 21mDelta

Deal found 16/1£753

Mon 20/107:35PDX - BHD

2 stops18h 55mBritish Airways

Wed 22/106:35BHD - PDX

2 stops20h 24mBritish Airways

Deal found 16/1£12,768

Tue 4/209:45SEA - BFS

2 stops24h 10mMultiple Airlines

Tue 11/206:30BFS - SEA

2 stops25h 49mMultiple Airlines

Deal found 16/1£578

Tue 4/209:45SEA - BHD

2 stops26h 45mMultiple Airlines

Tue 11/207:25BHD - SEA

2 stops24h 54mMultiple Airlines

Deal found 16/1£588

Tue 4/213:35SEA - BHD

1 stop19h 10mFinnair

Tue 11/209:55BHD - SEA

1 stop15h 00mFinnair

Deal found 16/1£602

Tue 4/213:35SEA - BHD

2 stops19h 10mAmerican Airlines

Tue 11/206:35BHD - SEA

1 stop12h 45mAmerican Airlines

Deal found 16/1£607

Wed 5/215:45PDX - BHD

2 stops16h 50mMultiple Airlines

Wed 12/206:35BHD - PDX

1 stop18h 00mMultiple Airlines

Deal found 15/1£524

Wed 12/210:10PDX - BFS

3 stops27h 55mMultiple Airlines

Tue 18/217:30BFS - PDX

3 stops32h 54mMultiple Airlines

Deal found 16/1£790

One-way flights from Washington to Northern Ireland
Search for one-way flight options from Washington to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 17 January 2025.

Mon 3/321:18PDX - BHD

3 stops50h 52mMultiple Airlines

Deal found 16/1£284

Mon 3/321:18PDX - BFS

3 stops40h 22mMultiple Airlines

Deal found 16/1£349

Mon 3/314:14PDX - BHD

2 stops20h 21mBritish Airways

Deal found 16/1£355

Wed 21/506:00SEA - BFS

2 stops42h 35mMultiple Airlines

Deal found 16/1£376

Wed 21/516:20SEA - BHD

2 stops39h 10mMultiple Airlines

Deal found 16/1£394

Tue 20/520:20SEA - BHD

1 stop15h 05mBritish Airways

Deal found 16/1£452

Mon 19/500:40SEA - BHD

2 stops32h 15mDelta

Deal found 16/1£569

Fri 23/518:45SEA - BHD

2 stops17h 40mAer Lingus

Deal found 16/1£587

Wed 26/218:30PDX - BHD

1 stop17h 45mFinnair

Deal found 16/1£2,024

Find flights from Washington to Northern Ireland within your budget

Fly from

Fly to

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 5/2

15:45-16:35

2 stops16h 50m

Belfast City

Wed 12/2

06:35-16:35

1 stop18h 00m

£524

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 4/4

19:25-18:15

1 stop14h 50m

Belfast City

Thu 10/4

18:30-17:35

1 stop31h 05m

£559

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 4/4

07:35-12:45

2 stops21h 10m

Belfast City

Thu 10/4

16:20-23:01

2 stops38h 41m

£565

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Tue 4/2

09:45-17:55

2 stops24h 10m

Belfast Intl

Tue 11/2

06:30-00:19

2 stops25h 49m

£578

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 4/2

09:45-20:30

2 stops26h 45m

Belfast City

Tue 11/2

07:25-00:19

2 stops24h 54m

£588

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 4/2

13:35-16:45

1 stop19h 10m

Belfast City

Tue 11/2

09:55-16:55

1 stop15h 00m

£602

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 4/2

13:35-16:45

2 stops19h 10m

Belfast City

Tue 11/2

06:35-11:20

1 stop12h 45m

£607

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Fri 2/5

13:30-12:45

1 stop15h 15m

Belfast City

Sun 11/5

06:50-18:20

1 stop19h 30m

£682

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 12/2

10:10-22:05

3 stops27h 55m

Belfast Intl

Tue 18/2

17:30-18:24

3 stops32h 54m

£790

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Fri 20/6

20:20-18:15

1 stop13h 55m

Belfast City

Sun 13/7

15:50-11:35

1 stop27h 45m

£3,830

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 19 results

Best time to book a flight from Washington to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Washington 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.

Travel insights for flights from Washington to Northern Ireland

Get recent, data-driven insights about flights from Washington to Northern Ireland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Northern Ireland (average of £67). Flying from State of Washington to Northern Ireland 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.

Rainfall in Northern Ireland by month

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

If weather is an important factor for your trip to Northern Ireland, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

Read reviews from past customers who have flown British Airways and Finnair from Washington to Northern Ireland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

8,513 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,285 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.1

Good

1,077 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia

7.0

Good

2,641 reviews

Delta

8.0

Very Good

8,513 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from State of Washington to Northern Ireland one-way?
The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £355. However, be on the lookout for offers from Delta and Aer Lingus, as they are both options that can get you from State of Washington to Northern Ireland for a low price.
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 holiday 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.
What is the cheapest month to book a flight from State of Washington to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Northern Ireland (average of £67). Flying from State of Washington to Northern Ireland 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington to Northern Ireland

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Minneapolis to Heathrow flights

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Direct flights to United Kingdom

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How does Cheapflights help users find flights from Washington to Northern Ireland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington to Northern Ireland. 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 Washington to Northern Ireland?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Northern Ireland from Washington.

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

Certainly. Search results for flights to Northern Ireland from Washington shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Washington to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Washington to Northern Ireland from £284

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Northern Ireland

Round-trip from

One-way from

Find flight deals from Washington to Northern Ireland

Cheapest flights from Washington to Northern IrelandExplore the most affordable flight options available from Washington to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Explore the most affordable flight options available from Washington to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Find flights from Washington to Northern Ireland within your budget

Best time to book a flight from Washington to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Washington with our price prediction graph.

Travel insights for flights from Washington to Northern Ireland

Get recent, data-driven insights about flights from Washington to Northern Ireland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Northern Ireland?

Rainfall in Northern Ireland by month

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

Temperature in Northern Ireland by month

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

Reviews of airlines servicing Northern Ireland

Read reviews from past customers who have flown British Airways and Finnair from Washington to Northern Ireland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

Can I find deals for flights from Washington to Northern Ireland that include hotel bookings?

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

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

What is the cheapest month to book a flight from State of Washington to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Northern Ireland

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

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 Washington to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from Washington to Northern Ireland?

Can Cheapflights 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?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington to Northern Ireland
Explore the most affordable flight options available from Washington to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.