Cheap flights from Sheffield to Seattle from £260

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.
MAN — SEA
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Sheffield to Seattle/Tacoma Intl are usually found in March or January, booked 67 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Sheffield to Seattle

Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 15 September 2025.

Round-trip from

£521

One-way from

£260

Popular in

August

Cheapest in

March

Average price

£579
British Airways
  • British Airways
  • 25/11-2/12
  • 3 total stops
  • 30h 29m total
  • Sheffield to Seattle
8/11
  • 8/11
  • 2 total stops
  • 30h 05m total
  • Sheffield to Seattle
Highest demand for flights based on searches. 13% potential increase in price (£71 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Sheffield to Seattle

Cheapest flights from Sheffield to Seattle
Explore the most affordable flight options available from Sheffield to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Tue 25/1109:40MAN - SEA
1 stop15h 15mBritish Airways
Tue 2/1214:46SEA - MAN
2 stops15h 14mBritish Airways
Deal found 15/9£521
Fri 12/1211:55MAN - SEA
1 stop13h 05mIcelandair
Mon 19/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/9£523
Thu 11/1211:55MAN - SEA
1 stop13h 05mIcelandair
Sat 17/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/9£529
Fri 12/1211:55MAN - SEA
1 stop13h 05mIcelandair
Sun 18/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/9£532
Thu 30/1014:50MAN - SEA
3 stops34h 10mMultiple Airlines
Thu 6/1114:35SEA - MAN
2 stops18h 05mMultiple Airlines
Deal found 15/9£533
Mon 24/1114:50MAN - SEA
2 stops39h 34mFinnair
Mon 1/1207:19SEA - MAN
2 stops22h 41mFinnair
Deal found 13/9£534
Thu 16/1020:25MAN - SEA
3 stops32h 15mMultiple Airlines
Fri 24/1019:00SEA - MAN
2 stops17h 20mMultiple Airlines
Deal found 13/9£535
Wed 19/1119:15MAN - SEA
2 stops35h 46mScandinavian Airlines
Sun 23/1107:20SEA - MAN
2 stops42h 10mScandinavian Airlines
Deal found 13/9£538
Tue 28/1017:25MAN - SEA
2 stops31h 59mVirgin Atlantic
Tue 4/1113:40SEA - MAN
1 stop12h 30mVirgin Atlantic
Deal found 13/9£539
Fri 21/1110:10MAN - SEA
2 stops21h 48mScandinavian Airlines
Fri 28/1107:10SEA - MAN
2 stops42h 20mScandinavian Airlines
Deal found 14/9£540

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sheffield 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 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Sheffield to Seattle that are best for you.

Fly from

Sheffield

Fly to

Seattle

Route

Depart

Return

Price

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 25/11

06:15-16:55

1 stop18h 40m

Seattle/Tacoma Intl

Tue 2/12

14:46-14:00

2 stops15h 14m

£521

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 30/10

11:55-18:00

1 stop13h 05m

Seattle/Tacoma Intl

Thu 6/11

14:35-10:45

1 stop12h 10m

£532

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 30/10

14:50-18:00

3 stops34h 10m

Seattle/Tacoma Intl

Thu 6/11

14:35-16:40

2 stops18h 05m

£533

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 3/11

07:50-23:18

2 stops23h 28m

Seattle/Tacoma Intl

Mon 17/11

14:46-15:10

2 stops16h 24m

£542

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 5/3

09:10-22:29

2 stops21h 19m

Seattle/Tacoma Intl

Mon 9/3

14:47-08:20

2 stops34h 33m

£543

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 5/3

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Mon 9/3

15:35-10:45

1 stop12h 10m

£543

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 19/11

06:25-13:20

1 stop14h 55m

Seattle/Tacoma Intl

Sun 23/11

07:00-08:45

2 stops17h 45m

£546

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 15/12

20:05-16:55

1 stop28h 50m

Seattle/Tacoma Intl

Mon 19/1

13:40-14:00

2 stops16h 20m

£547

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 8/11

12:30-10:35

2 stops30h 05m

£260

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 12/10

16:55-10:29

2 stops49h 34m

£330

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 15 results
1
2

Best time to book a flight from Sheffield to Seattle

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

Cheapflights Insights

Everything you need to know about your flight from Sheffield to Seattle

How far ahead should I book a flight from Sheffield to Seattle?

Use this chart to determine the optimal time to book a return flight from Sheffield to Seattle. Price data was last updated on 12 September 2025.

The best time to book flights from Sheffield to Seattle is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sheffield to Seattle?

Currently, January is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £622). Flying from Sheffield to Seattle in July is currently the most expensive (average of £946). 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.

What is the cheapest time of day to fly from SH9 to SEA?

Find hourly flight availability from Sheffield to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

When flying from Sheffield 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.

What is the cheapest day to fly from Sheffield to Seattle?

Use this chart to determine the cheapest time to fly return from Sheffield to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sheffield to Seattle flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 September 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAer Lingus from Sheffield to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from Sheffield to Seattle. 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 into for flights to Seattle from Sheffield?

    If you book a flight to Seattle from Sheffield, you will be flying to 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 Sheffield to Seattle/Tacoma Intl per day from 11 different airlines.

  • How long is the flight from Sheffield to Seattle?

    Airlines like British Airways fly from Sheffield to Seattle in about 18h 40m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4633 mi.

  • Can I find deals for flights from Sheffield to Seattle that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Sheffield 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.

  • What is the cheapest month to book a flight from Sheffield to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £622). Flying from Sheffield to Seattle in July is currently the most expensive (average of £946). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

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Top 10 airlines flying from Sheffield to Seattle

Discover the top 10 airlines that operate flights from Sheffield to Seattle. 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 858,174 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£437Average£603FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£451Average£602FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£462Average£808FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£470Average£593FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£479Average£575FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£484Average£641FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£495Average£643FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£500Average£612FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£503Average£646FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£517Average£648FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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 Sheffield to Seattle?

Deals for Sheffield 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 Sheffield to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sheffield to Seattle for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Seattle from Sheffield shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Sheffield today and book when prices fit your budget.

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