HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Seattle (SEA) to Belgium from $446

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 7/3. 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 — BRU
Apr 28 — May 51
From?
To?
Sun 4/28
Sun 5/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Seattle to Belgium?

To save up to 49% on this flight, we recommend booking at least 45 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Belgium from $833 1-2 weeks out and tickets from $973 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Belgium?

Flights from Seattle to Belgium lean towards being more expensive in June. Prices are generally better when you fly from Seattle to Belgium in November, with the cheapest ticket starting at $542.

When is the cheapest time to fly from Seattle to Belgium (SEA - BE)?

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

Cheap Icelandair flights from Seattle to Belgium

Explore cheap flight options specifically provided by Icelandair for the route between Seattle and Belgium. 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 3,086,534 searches. Data last updated April 23, 2024.
Find some of the cheapest Icelandair flights traveling from Seattle to Belgium. It's recommended that users confirm their flight details before booking.
Tue 9/173:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/31:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/22$514
Tue 9/173:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/31:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/22$517
Wed 9/113:50 pmSEA - BRU
1 stop12h 00mIcelandair
Fri 9/201:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/22$522
Sun 9/156:55 pmSEA - BRU
1 stop32h 55mIcelandair
Fri 9/201:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/22$524
Sun 10/63:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/101:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/22$534
Mon 7/1511:20 amSEA - BRU
2 stops16h 30mIcelandair
Mon 8/51:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/22$2,747

Cheap Lufthansa flights from Seattle to Belgium

Explore cheap flight options specifically provided by Lufthansa for the route between Seattle and Belgium. 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 3,086,534 searches. Data last updated April 23, 2024.
Some of the lowest-priced Lufthansa flights we've found at this time heading from Seattle to Belgium. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Sat 10/121:10 pmSEA - BRU
2 stops56h 10mLufthansa
Tue 10/2210:00 amBRU - SEA
2 stops37h 30mLufthansa
Deal found 4/21$556
Sun 9/156:50 pmSEA - BRU
1 stop18h 20mLufthansa
Fri 9/207:10 pmBRU - SEA
2 stops54h 49mLufthansa
Deal found 4/22$813
Sun 9/156:50 pmSEA - BRU
2 stops18h 45mLufthansa
Fri 9/207:10 pmBRU - SEA
2 stops54h 49mLufthansa
Deal found 4/22$841

Cheap Seattle to Belgium flights in April & May 2024

Find cheap flight options from Seattle to Belgium specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 23, 2024.
These are some of the best deals we've found on flights to Belgium in 2024 at this time. Check back regularly for other flight deals.
Wed 5/11:30 pmSEA - BRU
1 stop15h 35mBritish Airways
Mon 5/68:00 pmBRU - SEA
1 stop24h 35mBritish Airways
Deal found 4/22$572
Wed 5/11:10 pmSEA - BRU
2 stops20h 15mSWISS
Mon 5/68:05 pmBRU - SEA
2 stops34h 29mSWISS
Deal found 4/22$604
Thu 5/211:05 pmSEA - BRU
1 stop24h 40mDelta
Mon 5/133:05 pmBRU - SEA
1 stop28h 05mDelta
Deal found 4/23$639
Thu 5/27:00 amSEA - BRU
1 stop17h 00mUnited Airlines
Mon 5/134:55 pmBRU - SEA
2 stops34h 46mUnited Airlines
Deal found 4/23$653
Fri 5/177:00 amSEA - BRU
1 stop15h 45mUnited Airlines
Tue 5/2812:00 pmBRU - SEA
1 stop21h 59mUnited Airlines
Deal found 4/23$763
Fri 5/178:20 amSEA - BRU
2 stops17h 20mUnited Airlines
Tue 5/2812:00 pmBRU - SEA
2 stops19h 23mUnited Airlines
Deal found 4/23$768
Fri 5/171:30 pmSEA - BRU
1 stop15h 30mBritish Airways
Tue 5/2811:05 amBRU - SEA
2 stops21h 00mBritish Airways
Deal found 4/22$775
Fri 5/177:17 amSEA - BRU
2 stops21h 43mBritish Airways
Tue 5/2811:05 amBRU - SEA
2 stops19h 45mBritish Airways
Deal found 4/22$780
Fri 5/171:30 pmSEA - BRU
1 stop15h 30mBritish Airways
Tue 5/287:45 pmBRU - SEA
1 stop24h 50mBritish Airways
Deal found 4/22$815

Seattle to Belgium 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Belgium in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
These are some of the best deals we've found on flights to Belgium in 2024 at this time. Check back regularly for other flight deals.
Tue 9/173:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/31:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/22$514
Tue 9/173:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/31:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/22$517
Wed 9/113:50 pmSEA - BRU
1 stop12h 00mIcelandair
Fri 9/201:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/22$522
Sun 9/156:55 pmSEA - BRU
1 stop32h 55mIcelandair
Fri 9/201:50 pmBRU - SEA
1 stop15h 45mIcelandair
Deal found 4/22$524
Sun 10/63:50 pmSEA - BRU
1 stop12h 00mIcelandair
Thu 10/101:50 pmBRU - SEA
1 stop13h 05mIcelandair
Deal found 4/22$534
Mon 11/41:39 pmSEA - BRU
2 stops18h 06mAmerican Airlines
Mon 11/112:50 pmBRU - SEA
1 stop29h 35mAmerican Airlines
Deal found 4/22$546
Sat 10/125:15 pmSEA - BRU
1 stop30h 45mMultiple Airlines
Tue 10/2210:00 amBRU - SEA
2 stops33h 46mMultiple Airlines
Deal found 4/21$555
Sat 10/121:10 pmSEA - BRU
2 stops56h 10mLufthansa
Tue 10/2210:00 amBRU - SEA
2 stops37h 30mLufthansa
Deal found 4/21$556
Wed 9/116:45 amSEA - BRU
2 stops17h 15mMultiple Airlines
Fri 9/2010:00 amBRU - SEA
1 stop20h 15mMultiple Airlines
Deal found 4/23$560

Seattle to Belgium flights leaving soon

Find last-minute flight options from Seattle to Belgium for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Have a look at some of the flights available from Seattle to Belgium departing last-minute. Tip: verify your flight details before completing your reservation.
Wed 5/11:30 pmSEA - BRU
1 stop15h 35mBritish Airways
Mon 5/68:00 pmBRU - SEA
1 stop24h 35mBritish Airways
Deal found 4/22$572
Wed 5/11:10 pmSEA - BRU
2 stops20h 15mSWISS
Mon 5/68:05 pmBRU - SEA
2 stops34h 29mSWISS
Deal found 4/22$604
Thu 5/211:05 pmSEA - BRU
1 stop24h 40mDelta
Mon 5/133:05 pmBRU - SEA
1 stop28h 05mDelta
Deal found 4/23$639
Thu 5/27:00 amSEA - BRU
1 stop17h 00mUnited Airlines
Mon 5/134:55 pmBRU - SEA
2 stops34h 46mUnited Airlines
Deal found 4/23$653
Wed 5/18:06 amSEA - BRU
3 stops38h 24mEthiopian Air
Mon 5/610:05 pmBRU - SEA
3 stops55h 13mEthiopian Air
Deal found 4/22$3,024

One-way flights to Belgium from Seattle

Search for one-way flight options from Seattle to Belgium. 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 3,086,534 searches. Data last updated April 23, 2024.
Users in need of a one-way flight from Seattle to Belgium can choose from these deals. Users can also find round-trip Seattle to Belgium flights by using the search form above.
Wed 7/33:50 pmSEA - BRU
1 stop12h 00mIcelandair
Deal found 4/22$446
Tue 7/23:50 pmSEA - BRU
1 stop12h 00mIcelandair
Deal found 4/22$460
Mon 7/111:00 pmSEA - BRU
1 stop28h 50mIcelandair
Deal found 4/22$479
Mon 9/97:40 amSEA - BRU
1 stop13h 40mAir Canada
Deal found 4/22$489
Mon 9/911:59 pmSEA - BRU
2 stops22h 51mUnited Airlines
Deal found 4/22$494
Sun 5/127:40 amSEA - BRU
2 stops17h 05mAir Canada
Deal found 4/22$502
Sun 8/410:52 pmSEA - BRU
2 stops30h 23mBritish Airways
Deal found 4/22$504
Sat 8/312:30 amSEA - BRU
2 stops25h 10mUnited Airlines
Deal found 4/22$528
Sun 8/411:54 pmSEA - BRU
3 stops26h 36mMultiple Airlines
Deal found 4/22$534

Find flights from Seattle to Belgium within your budget

Customize your flight search to find flights from Seattle to Belgium 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 3,086,534 searches. Data last updated April 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$514 - $834

Route

Depart

Return

Price

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 9/17

1 stop12h 00m

Brussels Bruxelles-National

Thu 10/3

1 stop13h 05m

$514

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 9/17

1 stop12h 00m

Brussels Bruxelles-National

Thu 10/3

1 stop13h 05m

$517

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Sat 10/12

1 stop30h 45m

Brussels Bruxelles-National

Tue 10/22

2 stops33h 46m

$555

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Sat 10/12

2 stops56h 10m

Brussels Bruxelles-National

Tue 10/22

2 stops37h 30m

$556

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 9/11

2 stops18h 25m

Brussels Bruxelles-National

Fri 9/20

1 stop20h 15m

$565

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 9/17

1 stop13h 40m

Brussels Bruxelles-National

Thu 10/3

2 stops17h 41m

$573

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 8/21

2 stops17h 32m

Brussels Bruxelles-National

Wed 8/28

1 stop23h 20m

$576

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 8/20

2 stops28h 06m

Brussels Bruxelles-National

Wed 8/28

2 stops34h 10m

$779

Seattle/Tacoma IntlBrussels Bruxelles-National

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Thu 8/1

1 stop16h 35m

Brussels Bruxelles-National

Tue 8/13

1 stop20h 38m

$834

Flights are sorted by cheapest first

Deals found on 4/22

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

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated April 23, 2024.
Peruse reviews from past customers who have flown with Icelandair, Lufthansa and British Airways from Seattle to Belgium to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.5

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
11,028 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.5

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

SWISS
7.8
Good
2,075 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.5

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Virgin Atlantic
7.7
Good
751 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.5

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air France
7.6
Good
1,815 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.5

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,289 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.5

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Belgium. 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 Belgium?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Belgium.

  • Can I find flights from Seattle to Belgium for under $600 on Cheapflights?

    Yes, there are multiple flights from Seattle to Belgium for under $600. The cheapest flight booked recently is on Icelandair for just $514, but on average you can expect to pay $569.

  • Are there last-minute flights available from Seattle to Belgium for under $600?

    There are currently 5+ open flights from Seattle to Belgium within the next 7 days for less than $600.

  • What are the cheapest airlines to fly from Seattle to Belgium one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $446. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Seattle to Belgium for a low price.

  • What are the most popular airlines that fly from Seattle to Belgium?

    The most popular airlines flying from Seattle to Belgium are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

  • What does SEA to BRU 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 Brussels Bruxelles-National Airport flight would often be abbreviated as a SEA to BRU flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Charleroi Brussels Airport (CRL), Antwerp Deurne Airport (ANR), Ostende-Bruges Airport (OST), Liège Bierset Airport (LGG).

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

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

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

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

  • How can I find direct flights from Seattle to Belgium?

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

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

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

    Many airlines flying from Seattle to Belgium 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 Belgium?

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

    The Seattle to Belgium flight deals you see on this page were last updated on 4/23.

See more FAQs

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

Seattle to Heathrow flights
Seattle to Charles de Gaulle flights
Seattle to Gatwick flights
Seattle to Istanbul flights
Seattle to London City flights
Seattle to Dublin flights
Seattle to Amsterdam flights
Seattle to Leonardo da Vinci/Fiumicino flights
Seattle to Keflavik Intl flights
Seattle to Athens flights
Seattle to Orly flights
Seattle to Oslo Gardermoen flights
Seattle to Lisbon flights
Seattle to Sabiha Gokcen flights
Seattle to Madrid flights
Seattle to Copenhagen flights
Seattle to Malpensa flights
Seattle to Edinburgh flights
Seattle to Vicenza flights
Seattle to Zurich flights
Seattle to Florence flights
Seattle to Prague flights
Seattle to Linate flights
Seattle to Munich flights
Seattle to Glasgow Intl flights
Seattle to Bruxelles-National flights
Seattle to Berlin flights
Seattle to Helsinki flights
Seattle to Frederic Chopin flights
Seattle to Geneva flights
Seattle to Arlanda flights
Seattle to Naples flights
Seattle to Split flights
Seattle to Nice flights
Seattle to Zagreb flights
Seattle to Vienna flights
Seattle to Krakow flights
Seattle to Sandefjord flights
Seattle to Stuttgart flights
Seattle to Budapest flights
Seattle to Aberdeen flights
Seattle to Málaga flights
Seattle to Sofia flights
Seattle to Dubrovnik flights
Spokane to Heathrow flights
Seattle to Luton flights
Seattle to Pisa flights
Seattle to Santorini flights

Top 10 airlines flying from Seattle to Belgium

Discover the top 10 airlines that operate flights from Seattle to Belgium. 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 3,086,534 searches. Data last updated April 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$415Average$776FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest$459Average$762FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Aer LingusCheapest$494Average$910FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest$515Average$680FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest$535Average$882FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest$541Average$757FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$542Average$673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest$573Average$887FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$581Average$822FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$596Average$1,086FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Phoenix to Orlando flights
Cincinnati to Orlando flights
New York John F Kennedy Intl Airport to New Delhi flights
San Francisco to New York flights
USA to Bermuda flights
Sacramento to Las Vegas flights
Houston to Las Vegas flights
Nashville to Orlando flights
Denver to Minneapolis flights
New York to Hong Kong flights
Boston to Hawaii flights
Seattle to Belgrade flights

Search flights from Seattle to Belgium by cabin class

Find flights from Seattle to Belgium, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Bodø
Flights to Bar Harbor
Flights to Bastia Poretta
Flights to Dharamshala Kangra
Flights to Biarritz Parme
Flights to Menorca/Mahon
Flights to Milas–Bodrum
Flights to Dipolog
Flights to Kagoshima
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Ordu/Giresun
Flights to Chios
Flights to Argostoli Cephalonia
Flights to Barrow Wiley Post/W.Rogers
Flights to Kristiansand Kjevik
Flights to Zakynthos Dionsios Salomos
Flights to Batumi
Flights to Guilin
Flights to Pau Pyrénées
Flights to Fez Sais
Flights to Kos
Flights to Mytilene
Flights to Norwich Arpt

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 Belgium?

Cheapflights makes it easy to find Seattle to Belgium flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Belgium 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 Belgium with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Belgium, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Seattle to Belgium 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines