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

To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $890. Delta flights start at $910 while deals on KLM start at $1,273 one-way.

Can I find flights from Seattle to Southampton for under $1,100 on Cheapflights?

Yes, there are multiple flights from Seattle to Southampton for under $1,100. The cheapest flight booked recently is on Delta for just $1,007, but on average you can expect to pay $1,186.

Which airlines flying from Seattle/Tacoma Intl to Southampton Eastleigh have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Seattle/Tacoma Intl to Southampton Eastleigh that may be offering flexible cancellation policies are KLM and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What is the cheapest day to fly round-trip from Seattle to Southampton?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

February is one of the best times of the year to fly to Southampton from Seattle. Prices for February average $923 per person but you can even find prices for as low as $574. 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 Seattle to Southampton (SEA - SOU)?

When flying from Seattle to Southampton, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 4% versus a flight in the afternoon.

What does SEA to SOU 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 Southampton Eastleigh Airport flight would often be abbreviated as a SEA to SOU flight.

Flights from Seattle, WA to Southampton, England from $890

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SEA — SOU

Jun 6 — Jun 131

Round-tripOne-way

1 adult, Economy

We work with more than 300 partners to bring you better travel deals

Travelers have found it’s best to book a flight 33 days in advance to save up to 35% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Southampton 1-2 weeks in advance for as low as $1,074, or $1,376 for flights within the next 24 hours.

Cheap flights from Seattle to Southampton in June, July 2023

Jul 23 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,175

British Airways

Deal found 5/31

Jul 23 - Aug 24

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 15m

$1,232

British Airways

Deal found 5/31

Jul 24 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 12m

$1,237

British Airways

Deal found 5/31

Jul 27 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

15h 10m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,244

British Airways

Deal found 5/31

Jul 25 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,245

British Airways

Deal found 5/31

Jul 28 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

26h 53m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,248

British Airways

Deal found 5/31

Jul 23 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

23h 32m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,249

British Airways

Deal found 5/31

Jul 24 - Aug 24

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

17h 20m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 15m

$1,251

British Airways

Deal found 5/31

Jul 23 - Aug 24

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

14h 30m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 12m

$1,256

British Airways

Deal found 5/31

Seattle to Southampton 2023 flight deals

Aug 14 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

14h 35m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

14h 40m

$1,007

Delta

Deal found 5/31

Oct 4 - Oct 18

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,115

British Airways

Deal found 5/31

Oct 4 - Oct 19

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

29h 07m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,119

British Airways

Deal found 5/31

Oct 5 - Oct 17

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,165

British Airways

Deal found 5/31

Oct 4 - Oct 14

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

29h 07m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,169

British Airways

Deal found 5/31

Oct 4 - Oct 13

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 15m

$1,172

British Airways

Deal found 5/31

Jul 23 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,175

British Airways

Deal found 5/31

Oct 4 - Oct 13

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

23h 28m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 15m

$1,177

British Airways

Deal found 5/31

Aug 13 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

27h 27m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,179

British Airways

Deal found 5/31

Cheap British Airways flights from Seattle to Southampton

Oct 4 - Oct 18

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,115

British Airways

Deal found 5/31

Oct 4 - Oct 19

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

29h 07m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,119

British Airways

Deal found 5/31

Oct 5 - Oct 18

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,165

British Airways

Deal found 5/31

Oct 4 - Oct 14

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

29h 07m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,169

British Airways

Deal found 5/31

Oct 4 - Oct 13

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 15m

$1,172

British Airways

Deal found 5/31

Jul 23 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,175

British Airways

Deal found 5/31

Oct 4 - Oct 13

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

23h 28m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 15m

$1,177

British Airways

Deal found 5/31

Aug 13 - Aug 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

27h 27m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$1,179

British Airways

Deal found 5/31

Oct 4 - Oct 19

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

21h 44m

SOU

Southampton Eastleigh

SEA

Seattle/Tacoma Intl

2 stops

17h 10m

$1,182

British Airways

Deal found 5/31

One-way flights to Southampton from Seattle

Sep 19

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

16h 25m

$890

British Airways

Deal found 5/31

Sep 19

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

17h 20m

$908

British Airways

Deal found 5/31

Sep 20

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

14h 45m

$910

Delta

Deal found 5/31

Sep 17

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

14h 45m

$980

Delta

Deal found 5/31

Jun 29

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

3 stops

50h 52m

$987

Multiple Airlines

Deal found 5/31

Sep 17

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

17h 20m

$998

British Airways

Deal found 5/31

Sep 22

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

27h 00m

$1,003

British Airways

Deal found 5/31

Sep 16

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

1 stop

14h 45m

$1,070

Delta

Deal found 5/31

Sep 16

SEA

Seattle/Tacoma Intl

SOU

Southampton Eastleigh

2 stops

16h 20m

$1,088

British Airways

Deal found 5/31

Find flights from Seattle to Southampton within your budget

Fly from

Fly to

Budget

$1,007 - $1,179

Route

Depart

Return

Price

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Mon 8/14

1 stop14h 35m

Southampton Eastleigh

Tue 8/22

1 stop14h 40m

$1,007

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 10/4

1 stop16h 25m

Southampton Eastleigh

Wed 10/18

1 stop15h 50m

$1,115

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 10/4

2 stops29h 07m

Southampton Eastleigh

Thu 10/19

1 stop15h 50m

$1,119

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Thu 10/5

1 stop16h 25m

Southampton Eastleigh

Wed 10/18

1 stop15h 50m

$1,165

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 10/4

2 stops29h 07m

Southampton Eastleigh

Sat 10/14

1 stop15h 50m

$1,169

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 10/4

1 stop16h 25m

Southampton Eastleigh

Fri 10/13

2 stops17h 15m

$1,172

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 7/23

1 stop16h 25m

Southampton Eastleigh

Tue 8/22

1 stop15h 50m

$1,175

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Wed 10/4

2 stops23h 28m

Southampton Eastleigh

Fri 10/13

2 stops17h 15m

$1,177

Pick Dates

Seattle/Tacoma IntlSouthampton Eastleigh

SEA - SOU

SEASOU

Seattle/Tacoma Intl

Sun 8/13

2 stops27h 27m

Southampton Eastleigh

Tue 8/22

1 stop15h 50m

$1,179

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/31

Reviews of Airlines Servicing Southampton

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

Delta

8.0

Very good

2,369 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

KLM

7.6

Good

160 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

British Airways

6.6

Okay

554 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

Related info for your journey

Top 2 airlines flying from Seattle to Southampton

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
KLM	Cheapest$760	Average$873	FlexibilityNo cancel fee	On-time75%	COVID-19 safety	Search KLM flights
Delta	Cheapest$832	Average$928	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights

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Cheap flights from Seattle (SEA) to Southampton (SOU) from $890

This is the cheapest one-way flight price, found on 5/31. Prices may vary by date and flight preferences.

What is the cheapest day to fly round-trip from Seattle to Southampton?

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

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

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

Cheap flights from Seattle to Southampton in June, July 2023

The best prices found for SEA to SOU flights for June, July

Seattle to Southampton 2023 flight deals

Cheap flights to Southampton from Seattle found for this year

Cheap British Airways flights from Seattle to Southampton

One-way flights to Southampton from Seattle

The cheapest one-way flights from Seattle to Southampton

Find flights from Seattle to Southampton within your budget

Use the slider to find flights from Seattle to Southampton that fit your budget.

Reviews of Airlines Servicing Southampton

Related info for your journey

Useful info, stats and facts about Seattle to Southampton flights.

Which airlines flying from Seattle/Tacoma Intl to Southampton Eastleigh have flexible cancellations due to COVID-19?

Can I find flights from Seattle to Southampton for under $1,100 on Cheapflights?

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

What does SEA to SOU mean?

Other flights from Seattle

Flights to Southampton from Seattle

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Top 2 airlines flying from Seattle to Southampton

The chart below displays the airlines Cheapflights users traveling from Seattle to Southampton choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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