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Cheap flights from Seattle (SEA) to Belfast City (BHD) from $349

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 8/11. 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
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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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 May 30, 2024.

Round-trip from

$640

One-way from

$553
From Seattle/Tacoma Intl to Belfast City
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One-way flight from Seattle/Tacoma Intl to Belfast City
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What is the cheapest day to fly round-trip from Seattle to Belfast City Airport?

Travelers have found that booking a Thursday departure is the best way to save up to 28% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

April can be a great time to fly to Belfast City Airport from Seattle with a flight ticket averaging about $1,037. Cheapflights users have found deals in the month of April for as cheap as $719. The most expensive prices can be found in the month of June.

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

It’s typically best to fly out from Seattle to Belfast City Airport at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

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 2,784,634 searches. Data last updated May 30, 2024.
Consider these cheap American Airlines flights we've found departing from Seattle to Belfast. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 8/145:22 pmSEA - BHD
2 stops19h 23mAmerican Airlines
Tue 8/209:45 amBHD - SEA
2 stops23h 04mAmerican Airlines
Deal found 5/29$661
Sat 9/141:50 pmSEA - BHD
1 stop14h 30mAmerican Airlines
Sat 9/286:50 amBHD - SEA
1 stop12h 45mAmerican Airlines
Deal found 5/30$784
Sat 8/101:50 pmSEA - BHD
1 stop14h 30mAmerican Airlines
Sat 8/244:15 pmBHD - SEA
1 stop27h 15mAmerican Airlines
Deal found 5/30$797
Thu 7/181:26 pmSEA - BHD
2 stops18h 09mAmerican Airlines
Thu 7/259:35 amBHD - SEA
2 stops20h 23mAmerican Airlines
Deal found 5/29$902
Thu 7/181:30 pmSEA - BHD
1 stop23h 10mAmerican Airlines
Thu 7/259:35 amBHD - SEA
2 stops20h 23mAmerican Airlines
Deal found 5/29$907
Sun 6/167:06 amSEA - BHD
2 stops20h 24mAmerican Airlines
Mon 6/249:50 amBHD - SEA
2 stops20h 07mAmerican Airlines
Deal found 5/29$974
Sat 6/151:25 pmSEA - BHD
2 stops19h 25mAmerican Airlines
Mon 6/249:50 amBHD - SEA
2 stops20h 07mAmerican Airlines
Deal found 5/29$1,116
Wed 8/286:00 amSEA - BHD
2 stops23h 25mAmerican Airlines
Thu 9/59:35 amBHD - SEA
2 stops19h 17mAmerican Airlines
Deal found 5/29$3,731

Cheap Delta flights from Seattle to Belfast City

Explore cheap flight options specifically provided by Delta 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 2,784,634 searches. Data last updated May 30, 2024.
Some of the best deals we've found on Delta flights traveling from Seattle to Belfast. Make sure to examine the flight information before completing your reservation.
Wed 8/1411:55 amSEA - BHD
2 stops20h 55mDelta
Tue 8/205:20 pmBHD - SEA
1 stop24h 55mDelta
Deal found 5/29$778
Thu 7/186:10 pmSEA - BHD
1 stop14h 40mDelta
Thu 7/255:20 pmBHD - SEA
1 stop24h 55mDelta
Deal found 5/29$1,056
Sun 6/166:05 pmSEA - BHD
1 stop14h 45mDelta
Sat 6/225:20 pmBHD - SEA
1 stop25h 00mDelta
Deal found 5/29$1,276

Cheap Seattle to Belfast City flights in May & June 2024

Find cheap flight options from Seattle to Belfast City specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back in a little while for more flight options.
Sun 6/1610:52 pmSEA - BHD
2 stops26h 03mBritish Airways
Mon 6/243:25 pmBHD - SEA
1 stop34h 20mBritish Airways
Deal found 5/29$971
Sun 6/167:06 amSEA - BHD
2 stops20h 24mAmerican Airlines
Mon 6/249:50 amBHD - SEA
2 stops20h 07mAmerican Airlines
Deal found 5/29$974
Sat 6/1510:52 pmSEA - BHD
2 stops28h 38mBritish Airways
Mon 6/246:30 pmBHD - SEA
1 stop31h 15mBritish Airways
Deal found 5/29$1,008
Sun 6/167:40 pmSEA - BHD
1 stop13h 55mBritish Airways
Mon 6/243:25 pmBHD - SEA
1 stop34h 20mBritish Airways
Deal found 5/29$1,029
Sun 6/167:40 pmSEA - BHD
1 stop13h 55mBritish Airways
Sat 6/226:55 pmBHD - SEA
2 stops30h 05mBritish Airways
Deal found 5/29$1,038
Fri 6/2810:52 pmSEA - BHD
2 stops27h 23mBritish Airways
Fri 7/58:05 pmBHD - SEA
2 stops31h 43mBritish Airways
Deal found 5/29$1,046
Sat 6/151:25 pmSEA - BHD
2 stops19h 25mAmerican Airlines
Mon 6/249:50 amBHD - SEA
2 stops20h 07mAmerican Airlines
Deal found 5/29$1,116
Sun 6/167:06 amSEA - BHD
2 stops20h 24mBritish Airways
Sat 6/226:55 pmBHD - SEA
2 stops30h 05mBritish Airways
Deal found 5/29$1,233
Sun 6/165:55 amSEA - BHD
3 stops31h 15mMultiple Airlines
Mon 6/247:00 amBHD - SEA
3 stops33h 59mMultiple Airlines
Deal found 5/29$1,243

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 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from Seattle to Belfast in 2024. Check back in a little while for more flight options.
Tue 10/292:35 pmSEA - BHD
1 stop16h 50mAmerican Airlines
Sun 11/39:40 amBHD - SEA
1 stop15h 05mAmerican Airlines
Deal found 5/30$595
Tue 10/2912:01 pmSEA - BHD
2 stops21h 39mAmerican Airlines
Sun 11/33:05 pmBHD - SEA
1 stop33h 40mAmerican Airlines
Deal found 5/30$599
Tue 10/2912:01 pmSEA - BHD
2 stops21h 39mAmerican Airlines
Sun 11/35:35 amBHD - SEA
2 stops21h 53mAmerican Airlines
Deal found 5/30$609
Wed 8/145:22 pmSEA - BHD
2 stops19h 23mAmerican Airlines
Tue 8/209:45 amBHD - SEA
2 stops23h 04mAmerican Airlines
Deal found 5/29$661
Sat 9/711:59 pmSEA - BHD
2 stops30h 36mBritish Airways
Sat 9/214:15 pmBHD - SEA
1 stop27h 15mBritish Airways
Deal found 5/30$678
Sat 9/711:59 pmSEA - BHD
2 stops25h 06mBritish Airways
Sat 9/216:55 pmBHD - SEA
2 stops33h 57mBritish Airways
Deal found 5/30$688
Sat 9/1411:59 pmSEA - BHD
2 stops30h 36mBritish Airways
Sat 9/286:50 amBHD - SEA
1 stop12h 45mBritish Airways
Deal found 5/30$716
Sat 8/1010:51 pmSEA - BHD
2 stops28h 39mBritish Airways
Sat 8/244:15 pmBHD - SEA
1 stop27h 15mBritish Airways
Deal found 5/30$738
Sat 8/1010:51 pmSEA - BHD
2 stops30h 09mBritish Airways
Sun 8/186:05 pmBHD - SEA
2 stops35h 51mBritish Airways
Deal found 5/30$745

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 2,784,634 searches. Data last updated May 30, 2024.
Users in need of a one-way flight from Seattle to Belfast can choose from these deals. Users needing a return flight from Seattle to Belfast should utilize the search form above.
Sun 8/1111:00 pmSEA - BHD
3 stops52h 40mMultiple Airlines
Deal found 5/29$349
Sun 8/1111:00 pmSEA - BHD
2 stops49h 20mMultiple Airlines
Deal found 5/29$438
Tue 6/47:00 amSEA - BHD
3 stops42h 50mMultiple Airlines
Deal found 5/29$449
Sun 8/111:30 pmSEA - BHD
1 stop19h 20mDelta
Deal found 5/29$553
Tue 6/47:40 pmSEA - BHD
1 stop13h 45mBritish Airways
Deal found 5/29$641
Wed 6/57:00 amSEA - BHD
3 stops24h 25mMultiple Airlines
Deal found 5/29$644
Tue 6/45:15 pmSEA - BHD
2 stops16h 10mBritish Airways
Deal found 5/29$645
Sat 8/1012:21 amSEA - BHD
2 stops27h 09mAmerican Airlines
Deal found 5/29$662
Tue 6/411:32 amSEA - BHD
2 stops21h 53mAmerican Airlines
Deal found 5/28$679

Find flights from Seattle to Belfast City within your budget

Customize 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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$661 - $1,243

Route

Depart

Return

Price

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Wed 8/14

2 stops19h 23m

Belfast City

Tue 8/20

2 stops23h 04m

$661

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 9/7

2 stops30h 36m

Belfast City

Sat 9/21

1 stop27h 15m

$678

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 9/7

2 stops25h 06m

Belfast City

Sat 9/21

2 stops33h 57m

$688

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 9/14

2 stops30h 36m

Belfast City

Sat 9/28

1 stop12h 45m

$716

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Wed 8/14

2 stops20h 55m

Belfast City

Tue 8/20

1 stop24h 55m

$778

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 9/14

1 stop14h 30m

Belfast City

Sat 9/28

1 stop12h 45m

$784

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sat 8/10

1 stop14h 30m

Belfast City

Sat 8/24

1 stop27h 15m

$797

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Wed 8/14

1 stop14h 40m

Belfast City

Tue 8/20

1 stop24h 55m

$1,050

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Sun 6/16

3 stops31h 15m

Belfast City

Mon 6/24

3 stops33h 59m

$1,243

Flights are sorted by cheapest first

Deals found on 5/29

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Belfast City. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Belfast City Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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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 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.

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

41 - 60.8 °F

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 May 30, 2024.
Get a feel of what it's like to fly with American Airlines, Delta and KLM from Seattle to Belfast by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

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.

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

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.

KLM
7.9
Good
1,520 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

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.

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

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.

British Airways
6.8
Okay
6,765 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

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 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?

    If you book a flight to Belfast City from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Belfast City per day from 2 different airlines.

  • Can I find flights from Seattle to Belfast City Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Seattle to Belfast City Airport for under $700. The cheapest flight booked recently is on American Airlines for just $661, but on average you can expect to pay $835.

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

    American Airlines, at $661, was found to be the cheapest airline from Seattle to Belfast City Airport.Alternate airlines to your destination round-trip include British Airways and Delta.

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

    $553 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on British Airways and American Airlines, with prices starting from $641 and $662, respectively.

  • What does SEA to BHD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Belfast City Airport flight would often be abbreviated as a SEA to BHD flight.

  • 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 vacation 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 5/30.

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.

Seattle to Belfast Intl flights
Portland to Belfast City flights

Top 2 airlines flying from Seattle to Belfast City

Discover the top 2 airlines that operate flights from Seattle to Belfast City. 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$641Average$794FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$753Average$897FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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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.
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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 Seattle to Belfast City?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Belfast City. 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 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?

Need flexible booking options for your flight to Belfast City from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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