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Cheap flights from Seattle to Belfast City Airport from £193

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 16/9. 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 — BHD
18 jun — 25 jun1
1 adult
tis 18/6
tis 25/6

Cheap flight deals from Seattle to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Belfast City (BHD). 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 13 juni 2024.

Round-trip from

£49
From Seattle/Tacoma Intl to Belfast City

What is the cheapest month to fly from Seattle to Belfast City Airport?

Our data shows that April tends to be the cheapest month to fly to Belfast City Airport from Seattle. Users have commonly found prices around £807 for the month, but tickets can be as low as £563. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from SEA to BHD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Belfast City Airport as you normally would.

Cheap American Airlines flights from Seattle to Belfast City

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Belfast City. 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 1,007,911 searches. Data last updated 13 juni 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Seattle to Belfast. Make sure to check back often as deals are often changing.
tis 15/1013:30SEA - BHD
1 stop13h 05mAmerican Airlines
tors 24/1009:35BHD - SEA
1 stop16h 10mAmerican Airlines
Deal found 13/6£449
tis 15/1013:58SEA - BHD
2 stops19h 27mAmerican Airlines
tors 24/1012:45BHD - SEA
1 stop13h 00mAmerican Airlines
Deal found 13/6£453
tis 15/1013:45SEA - BHD
2 stops17h 35mAmerican Airlines
tors 24/1009:35BHD - SEA
2 stops19h 36mAmerican Airlines
Deal found 13/6£461
tis 29/1019:45SEA - BHD
1 stop13h 55mAmerican Airlines
sön 3/1115:05BHD - SEA
1 stop33h 40mAmerican Airlines
Deal found 13/6£543
tis 29/1013:39SEA - BHD
2 stops21h 56mAmerican Airlines
sön 3/1105:35BHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 13/6£547
tis 29/1013:39SEA - BHD
2 stops17h 46mAmerican Airlines
sön 3/1105:35BHD - SEA
2 stops24h 17mAmerican Airlines
Deal found 13/6£555
lör 7/919:40SEA - BHD
1 stop15h 15mAmerican Airlines
lör 21/916:15BHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 12/6£762
lör 14/919:40SEA - BHD
1 stop15h 15mAmerican Airlines
lör 28/906:50BHD - SEA
1 stop12h 45mAmerican Airlines
Deal found 12/6£782
tis 2/713:30SEA - BHD
1 stop13h 05mAmerican Airlines
tis 9/706:35BHD - SEA
2 stops23h 23mAmerican Airlines
Deal found 12/6£1,099

Cheap British Airways flights from Seattle to Belfast City

Explore cheap flight options specifically provided by British Airways for the route between Seattle and Belfast City. 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 1,007,911 searches. Data last updated 13 juni 2024.
To aid your search, here are some of the cheapest British Airways flights we've found from Seattle to Belfast. Deals are refreshing constantly so come back soon for more options.
lör 7/923:59SEA - BHD
2 stops30h 36mBritish Airways
lör 21/918:55BHD - SEA
1 stop24h 35mBritish Airways
Deal found 12/6£557
lör 7/923:59SEA - BHD
2 stops27h 31mBritish Airways
lör 21/918:55BHD - SEA
2 stops36h 14mBritish Airways
Deal found 12/6£565
lör 10/822:51SEA - BHD
2 stops30h 09mBritish Airways
lör 24/806:50BHD - SEA
2 stops20h 30mBritish Airways
Deal found 12/6£622
lör 10/822:51SEA - BHD
2 stops30h 09mBritish Airways
sön 18/819:40BHD - SEA
2 stops33h 58mBritish Airways
Deal found 12/6£628
lör 10/822:51SEA - BHD
2 stops28h 39mBritish Airways
lör 24/818:55BHD - SEA
1 stop24h 35mBritish Airways
Deal found 12/6£712
lör 10/822:51SEA - BHD
2 stops30h 09mBritish Airways
sön 18/806:50BHD - SEA
1 stop12h 40mBritish Airways
Deal found 12/6£730
tis 2/713:30SEA - BHD
1 stop15h 25mBritish Airways
tis 9/709:45BHD - SEA
1 stop16h 00mBritish Airways
Deal found 12/6£1,561
tis 10/923:59SEA - BHD
2 stops27h 51mBritish Airways
ons 18/906:50BHD - SEA
1 stop12h 45mBritish Airways
Deal found 12/6£3,296
ons 11/923:59SEA - BHD
2 stops27h 01mBritish Airways
tors 19/906:35BHD - SEA
2 stops21h 01mBritish Airways
Deal found 13/6£3,338

Cheap Seattle to Belfast City flights in June & July 2024

Find cheap flight options from Seattle to Belfast City specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 1,007,911 searches. Prices were last updated on 13 juni 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back regularly for other flight deals.
mån 17/613:25SEA - BHD
2 stops18h 10mBritish Airways
tors 20/606:35BHD - SEA
1 stop12h 55mBritish Airways
Deal found 12/6£1,023
tis 2/713:30SEA - BHD
1 stop13h 05mAmerican Airlines
tis 9/706:35BHD - SEA
2 stops23h 23mAmerican Airlines
Deal found 12/6£1,099
tis 2/713:25SEA - BHD
2 stops20h 00mAmerican Airlines
tis 9/706:35BHD - SEA
2 stops21h 13mAmerican Airlines
Deal found 12/6£1,102
mån 17/622:52SEA - BHD
2 stops27h 43mBritish Airways
tors 20/607:10BHD - SEA
2 stops18h 35mBritish Airways
Deal found 12/6£1,223
mån 17/605:55SEA - BHD
3 stops31h 15mMultiple Airlines
tors 20/607:00BHD - SEA
2 stops18h 40mMultiple Airlines
Deal found 12/6£1,242
mån 17/618:05SEA - BHD
1 stop14h 45mDelta
tors 20/617:20BHD - SEA
1 stop25h 00mDelta
Deal found 12/6£1,262
tis 2/713:30SEA - BHD
1 stop15h 25mBritish Airways
tis 9/709:45BHD - SEA
1 stop16h 00mBritish Airways
Deal found 12/6£1,561
tis 2/718:45SEA - BHD
2 stops17h 10mAer Lingus
tis 9/714:25BHD - SEA
3 stops39h 33mAer Lingus
Deal found 12/6£1,598

Seattle to Belfast City 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Belfast City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 1,007,911 searches. Data last updated 13 juni 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back regularly for other flight deals.
tis 15/1013:30SEA - BHD
1 stop13h 05mAmerican Airlines
tors 24/1009:35BHD - SEA
1 stop16h 10mAmerican Airlines
Deal found 13/6£449
tis 15/1013:58SEA - BHD
2 stops19h 27mAmerican Airlines
tors 24/1012:45BHD - SEA
1 stop13h 00mAmerican Airlines
Deal found 13/6£453
tis 15/1013:45SEA - BHD
2 stops17h 35mAmerican Airlines
tors 24/1009:35BHD - SEA
2 stops19h 36mAmerican Airlines
Deal found 13/6£461
tis 29/1019:45SEA - BHD
1 stop13h 55mAmerican Airlines
sön 3/1115:05BHD - SEA
1 stop33h 40mAmerican Airlines
Deal found 13/6£543
tis 29/1013:39SEA - BHD
2 stops21h 56mAmerican Airlines
sön 3/1105:35BHD - SEA
1 stop18h 10mAmerican Airlines
Deal found 13/6£547
tis 29/1013:39SEA - BHD
2 stops17h 46mAmerican Airlines
sön 3/1105:35BHD - SEA
2 stops24h 17mAmerican Airlines
Deal found 13/6£555
lör 7/923:59SEA - BHD
2 stops30h 36mBritish Airways
lör 21/918:55BHD - SEA
1 stop24h 35mBritish Airways
Deal found 12/6£557
lör 7/923:59SEA - BHD
2 stops27h 31mBritish Airways
lör 21/918:55BHD - SEA
2 stops36h 14mBritish Airways
Deal found 12/6£565
lör 10/822:51SEA - BHD
2 stops30h 09mBritish Airways
lör 24/806:50BHD - SEA
2 stops20h 30mBritish Airways
Deal found 12/6£622

One-way flights to Belfast City from Seattle

Search for one-way flight options from Seattle to Belfast City. 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 1,007,911 searches. Data last updated 13 juni 2024.
Users travelling one-way from Seattle to Belfast can select one of these great deals. Users in need of a round-trip flight from Seattle to Belfast instead should update the search form at the top of page.
mån 16/919:51SEA - BHD
2 stops52h 59mMultiple Airlines
Deal found 11/6£193
mån 16/909:14SEA - BHD
3 stops40h 16mMultiple Airlines
Deal found 11/6£202
tis 2/713:50SEA - BHD
3 stops36h 00mMultiple Airlines
Deal found 12/6£308
lör 14/911:30SEA - BHD
3 stops42h 10mMultiple Airlines
Deal found 11/6£334
ons 11/909:14SEA - BHD
2 stops26h 46mMultiple Airlines
Deal found 12/6£351
sön 30/607:00SEA - BHD
2 stops26h 40mMultiple Airlines
Deal found 12/6£366
lör 14/919:51SEA - BHD
2 stops33h 49mMultiple Airlines
Deal found 11/6£370
lör 29/607:00SEA - BHD
3 stops25h 30mMultiple Airlines
Deal found 12/6£377
mån 16/918:10SEA - BHD
1 stop14h 40mAir France
Deal found 11/6£384

Find flights from Seattle to Belfast City within your budget

Customise your flight search to find flights from Seattle to Belfast City 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 1,007,911 searches. Data last updated 13 juni 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£449 - £802

Route

Depart

Return

Price

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

tis 15/10

1 stop13h 05m

Belfast City

tors 24/10

1 stop16h 10m

£449

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

tis 15/10

2 stops19h 27m

Belfast City

tors 24/10

1 stop13h 00m

£453

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

tis 15/10

2 stops17h 35m

Belfast City

tors 24/10

2 stops19h 36m

£461

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

tis 29/10

1 stop13h 55m

Belfast City

sön 3/11

1 stop33h 40m

£543

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

lör 7/9

2 stops30h 36m

Belfast City

lör 21/9

1 stop24h 35m

£557

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

lör 7/9

2 stops27h 31m

Belfast City

lör 21/9

2 stops36h 14m

£565

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

ons 14/8

2 stops15h 35m

Belfast City

tis 20/8

1 stop24h 55m

£625

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

ons 14/8

2 stops15h 35m

Belfast City

tis 20/8

2 stops30h 44m

£633

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

lör 10/8

1 stop14h 40m

Belfast City

sön 18/8

1 stop24h 55m

£802

Flights are sorted by cheapest first

Deals found on 13/6

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

Best time to book a flight from Seattle to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Seattle 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.

Temperature and rainfall in Belfast City by month

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

BFS

Temperature

5 - 16 °C

If weather is an important factor for your trip to Belfast City Airport, 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 Belfast City

Get insights into the airlines that provide service to Belfast City. 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 City. Reviews last updated 13 juni 2024.
See what other customers who have flown with American Airlines, British Airways and KLM from Seattle to Belfast have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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
10,000 reviews
8.0
Very Good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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
1,461 reviews
8.0
Very Good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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.

7.5
Good
1,698 reviews
8.0
Very Good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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
10,000 reviews
8.0
Very Good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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
1,274 reviews
8.0
Very Good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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 Seattle to Belfast City. 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 Seattle to Belfast City?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Belfast City. You should not have trouble finding flights to Belfast City from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to Belfast City per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to Belfast City. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • Can I find flights from Seattle to Belfast City Airport for under £500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Belfast City Airport for under £500. The cheapest flight booked recently is on American Airlines for just £449, but on average you can expect to pay £621.

  • What are the cheapest airlines flying from Seattle to Belfast City Airport round-trip?

    Cheapflights users have booked flights from Seattle to Belfast City Airport round-trip from £449. Other airlines that can offer you cheap pricing are British Airways, from £557, and KLM, from £625.

  • What are the cheapest airlines to fly from Seattle to Belfast City Airport one-way?

    For one-way options, check prices for Air France. According to our data, you can fly for as low as £384. Users have also found prices from £441 and £474 on Aer Lingus and Delta, respectively.

  • What does SEA to BHD mean?

    Great question - SEA to BHD just means Seattle/Tacoma Intl Airport to Belfast City Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your Seattle to Belfast City 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 Seattle to Belfast City with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Belfast City 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 Seattle to Belfast City that include hotel bookings?

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

  • How can I find direct flights from Seattle to Belfast City?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Belfast City 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 Seattle to Belfast City that allow pets onboard?

    Many airlines flying from Seattle to Belfast City 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 Seattle to Belfast City?

    Yes, you can often find last-minute deals on Seattle to Belfast City 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 Seattle to Belfast City Airport flight deals updated?

    The Seattle to Belfast City Airport flight deals you see on this page were last updated on 13/6.

  • What is the cheapest month to book a flight from Seattle to Belfast City Airport?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Belfast City Airport (average of £94). Flying from Seattle to Belfast City Airport in August is currently the most expensive (average of £121). 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

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

Search flights from Seattle to Belfast City by cabin class

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

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Belfast City?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Belfast City from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Belfast City?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Belfast City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Belfast City with no change fees?

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

Can Cheapflights notify me if prices for flights from Seattle to Belfast City become cheaper?

Yes! Start tracking prices for Seattle to Belfast City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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