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Cheap flights from Southampton to Seattle from £478

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 24/6. 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.
SOU — SEA
24 Apr — 1 May1
1 adult
Wed 24/4
Wed 1/5

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

To save on the cost of your flight from Southampton to Seattle, book at least 49 days before your planned departure. Booking around this time can save you about 24% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £562 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £691.

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

February is one of the best times of the year to fly to Seattle from Southampton. Prices for February average £535 per person but you can even find prices for as low as £348. The most expensive prices can be found in the month of July. Opting for a February flight can save you 27% on your journey compared to booking in July

When is the cheapest time to fly from Southampton to Seattle (SOU - SEA)?

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

Cheap Delta flights from Southampton to Seattle

Explore cheap flight options specifically provided by Delta for the route between Southampton and Seattle. 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 895,763 searches. Data last updated 19 April 2024.
Consider these cheap Delta flights we've found departing from Southampton to Seattle. Be sure to come back soon if the deals available don't appeal to you at this time.
Mon 13/519:40SOU - SEA
1 stop22h 30mDelta
Tue 28/506:10SEA - SOU
2 stops17h 15mDelta
Deal found 18/4£680
Mon 13/507:55SOU - SEA
2 stops22h 17mDelta
Tue 28/512:35SEA - SOU
2 stops22h 35mDelta
Deal found 18/4£685
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/423:05SEA - SOU
2 stops24h 20mDelta
Deal found 18/4£916
Wed 24/407:55SOU - SEA
2 stops19h 50mDelta
Sun 28/423:15SEA - SOU
2 stops24h 10mDelta
Deal found 17/4£920
Wed 24/407:55SOU - SEA
2 stops20h 32mDelta
Sun 28/423:05SEA - SOU
2 stops24h 20mDelta
Deal found 18/4£921
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/413:30SEA - SOU
1 stop21h 40mDelta
Deal found 17/4£946
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/413:30SEA - SOU
1 stop21h 40mDelta
Deal found 18/4£946

Cheap KLM flights from Southampton to Seattle

Explore cheap flight options specifically provided by KLM for the route between Southampton and Seattle. 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 895,763 searches. Data last updated 19 April 2024.
Browse through some of the cheapest KLM flights travelling from Southampton to Seattle. Check back soon if you're not seeing flights that suit your needs.
Fri 3/519:40SOU - SEA
1 stop22h 35mKLM
Tue 7/513:30SEA - SOU
1 stop21h 40mKLM
Deal found 18/4£669
Mon 13/519:40SOU - SEA
1 stop22h 30mKLM
Tue 28/518:10SEA - SOU
1 stop17h 00mKLM
Deal found 18/4£678
Fri 3/519:40SOU - SEA
1 stop22h 35mKLM
Tue 7/506:10SEA - SOU
2 stops29h 00mKLM
Deal found 18/4£732
Fri 3/507:55SOU - SEA
2 stops22h 59mKLM
Tue 7/506:10SEA - SOU
2 stops29h 00mKLM
Deal found 18/4£740

Cheap Southampton to Seattle flights in April & May 2024

Find cheap flight options from Southampton to Seattle specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 895,763 searches. Prices were last updated on 19 April 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/423:05SEA - SOU
2 stops24h 20mDelta
Deal found 16/4£597
Wed 24/407:55SOU - SEA
2 stops22h 30mDelta
Sun 28/423:15SEA - SOU
2 stops24h 10mDelta
Deal found 16/4£601
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/418:10SEA - SOU
1 stop17h 00mDelta
Deal found 16/4£627
Fri 3/519:40SOU - SEA
1 stop22h 35mKLM
Tue 7/513:30SEA - SOU
1 stop21h 40mKLM
Deal found 18/4£669
Mon 13/519:40SOU - SEA
1 stop22h 30mKLM
Tue 28/518:10SEA - SOU
1 stop17h 00mKLM
Deal found 18/4£678
Mon 13/519:40SOU - SEA
1 stop22h 30mDelta
Tue 28/506:10SEA - SOU
2 stops17h 15mDelta
Deal found 18/4£680
Mon 13/507:55SOU - SEA
2 stops22h 17mDelta
Tue 28/512:35SEA - SOU
2 stops22h 35mDelta
Deal found 18/4£685
Mon 13/519:40SOU - SEA
1 stop22h 30mKLM
Tue 28/518:10SEA - SOU
1 stop17h 00mKLM
Deal found 17/4£697
Mon 13/519:40SOU - SEA
1 stop22h 30mDelta
Tue 28/506:10SEA - SOU
2 stops17h 15mDelta
Deal found 17/4£699

Southampton to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Southampton and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 895,763 searches. Data last updated 19 April 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/423:05SEA - SOU
2 stops24h 20mDelta
Deal found 16/4£597
Wed 24/407:55SOU - SEA
2 stops22h 30mDelta
Sun 28/423:15SEA - SOU
2 stops24h 10mDelta
Deal found 16/4£601
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/418:10SEA - SOU
1 stop17h 00mDelta
Deal found 16/4£627
Fri 3/519:40SOU - SEA
1 stop22h 35mKLM
Tue 7/513:30SEA - SOU
1 stop21h 40mKLM
Deal found 18/4£669
Mon 13/519:40SOU - SEA
1 stop22h 30mKLM
Tue 28/518:10SEA - SOU
1 stop17h 00mKLM
Deal found 18/4£678
Mon 13/519:40SOU - SEA
1 stop22h 30mDelta
Tue 28/506:10SEA - SOU
2 stops17h 15mDelta
Deal found 18/4£680
Mon 13/507:55SOU - SEA
2 stops22h 17mDelta
Tue 28/512:35SEA - SOU
2 stops22h 35mDelta
Deal found 18/4£685
Mon 13/519:40SOU - SEA
1 stop22h 30mKLM
Tue 28/518:10SEA - SOU
1 stop17h 00mKLM
Deal found 17/4£697
Mon 13/519:40SOU - SEA
1 stop22h 30mDelta
Tue 28/506:10SEA - SOU
2 stops17h 15mDelta
Deal found 17/4£699

Southampton to Seattle flights leaving soon

Find last-minute flight options from Southampton to Seattle 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 895,763 searches. Data last updated 19 April 2024.
Book one of these great deals on flights from Southampton to Seattle. Tip: verify your flight details before completing your reservation.
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/423:05SEA - SOU
2 stops24h 20mDelta
Deal found 18/4£916
Wed 24/407:55SOU - SEA
2 stops19h 50mDelta
Sun 28/423:15SEA - SOU
2 stops24h 10mDelta
Deal found 17/4£920
Wed 24/407:55SOU - SEA
2 stops20h 32mDelta
Sun 28/423:05SEA - SOU
2 stops24h 20mDelta
Deal found 18/4£921
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/413:30SEA - SOU
1 stop21h 40mDelta
Deal found 17/4£946
Wed 24/407:55SOU - SEA
1 stop16h 45mDelta
Sun 28/413:30SEA - SOU
1 stop21h 40mDelta
Deal found 18/4£946

One-way flights to Seattle from Southampton

Search for one-way flight options from Southampton to Seattle. 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 895,763 searches. Data last updated 19 April 2024.
Some of the best available deals we've found on one-way flights from Southampton to Seattle. For those needing a return trip from Southampton, there is a search form available above.
Mon 24/617:10SOU - SEA
3 stops27h 46mMultiple Airlines
Deal found 18/4£478
Mon 24/619:55SOU - SEA
2 stops49h 01mMultiple Airlines
Deal found 18/4£609
Mon 24/620:00SOU - SEA
1 stop29h 01mAer Lingus
Deal found 18/4£835
Sun 12/509:40SOU - SEA
1 stop15h 21mBritish Airways
Deal found 18/4£2,145
Sun 12/519:55SOU - SEA
2 stops23h 40mBritish Airways
Deal found 18/4£2,157

Find flights from Southampton to Seattle within your budget

Customise your flight search to find flights from Southampton to Seattle 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 895,763 searches. Data last updated 19 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£669 - £1,429

Route

Depart

Return

Price

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 3/5

1 stop22h 35m

Seattle/Tacoma Intl

Tue 7/5

1 stop21h 40m

£669

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Mon 13/5

1 stop22h 30m

Seattle/Tacoma Intl

Tue 28/5

1 stop17h 00m

£678

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Mon 13/5

1 stop22h 30m

Seattle/Tacoma Intl

Tue 28/5

2 stops17h 15m

£680

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Mon 13/5

2 stops22h 17m

Seattle/Tacoma Intl

Tue 28/5

2 stops22h 35m

£685

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 3/5

1 stop22h 35m

Seattle/Tacoma Intl

Tue 7/5

2 stops29h 00m

£732

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 3/5

2 stops22h 59m

Seattle/Tacoma Intl

Tue 7/5

2 stops29h 00m

£740

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Thu 2/5

2 stops23h 40m

Seattle/Tacoma Intl

Mon 3/6

1 stop16h 45m

£821

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Thu 2/5

2 stops23h 40m

Seattle/Tacoma Intl

Mon 3/6

2 stops15h 45m

£870

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 3/5

2 stops26h 10m

Seattle/Tacoma Intl

Tue 7/5

3 stops35h 20m

£1,429

Flights are sorted by cheapest first

Deals found on 18/4

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 19 April 2024.
To help decide which airline to fly from Southampton to Seattle, see what other customers have to say about Delta, KLM and British Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

Delta
8.1
Very Good
11,094 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

KLM
7.9
Good
1,641 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

Aer Lingus
7.2
Good
1,356 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

British Airways
6.9
Okay
6,935 reviews
Delta
8.1
Very Good
11,094 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.5

Crew

8.6

Comfort

7.9

Overall

8.1

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 Southampton to Seattle. 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 Southampton to Seattle for under £700 on Cheapflights?

    Yes, there are multiple flights from Southampton to Seattle for under £700. The cheapest flight booked recently is on KLM for just £669, but on average you can expect to pay £894.

  • Are there last-minute flights available from Southampton to Seattle for under £1,000?

    There are currently 5+ open flights from Southampton to Seattle within the next 7 days for less than £1,000.

  • What does SOU to SEA mean?

    SOU and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SOU to SEA refers to a flight route from Southampton Eastleigh Airport to Seattle/Tacoma Intl Airport.

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

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

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

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

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

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

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

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

    Many airlines flying from Southampton to Seattle 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 Southampton to Seattle?

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

    The Southampton to Seattle flight deals you see on this page were last updated on 18/4.

See more FAQs

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Search flights from Southampton to Seattle by cabin class

Find flights from Southampton to Seattle, 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 travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Seattle?

Deals for Southampton to Seattle 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 Southampton to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Southampton to Seattle 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 Southampton to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Southampton? 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 Southampton to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Southampton to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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