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Cheap flights from Sheffield to Seattle from £539

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
3 Apr — 10 Apr1
1 adult

Cheapflights Tip: The best prices from Sheffield to Seattle/Tacoma Intl are usually found in January or March, booked 13 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 29 March 2025.

Round-trip from

£539

Popular in

July

Cheapest in

January

Average price

£575
United Airlines
  • United Airlines
  • 19/6-24/6
  • 4 total stops
  • 48h 37m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 29 March 2025.

Thu 19/606:05MAN - SEA
2 stops22h 36mUnited Airlines
Tue 24/623:59SEA - MAN
2 stops26h 01mUnited Airlines
Deal found 28/3£539
Thu 24/412:00MAN - SEA
2 stops13h 50mMultiple Airlines
Thu 1/515:45SEA - MAN
2 stops23h 05mMultiple Airlines
Deal found 28/3£540
Tue 23/908:40MAN - SEA
1 stop17h 40mBritish Airways
Tue 30/920:20SEA - MAN
1 stop14h 45mBritish Airways
Deal found 28/3£557
Wed 10/905:55MAN - SEA
1 stop13h 20mVirgin Atlantic
Wed 17/913:40SEA - MAN
2 stops15h 30mVirgin Atlantic
Deal found 28/3£562
Fri 25/413:05MAN - SEA
1 stop12h 45mIcelandair
Tue 29/415:45SEA - MAN
1 stop11h 55mIcelandair
Deal found 28/3£565
Wed 10/908:00MAN - SEA
2 stops21h 38mFinnair
Wed 17/915:05SEA - MAN
2 stops16h 30mFinnair
Deal found 28/3£572
Fri 25/406:05MAN - SEA
1 stop14h 20mLufthansa
Tue 29/408:15SEA - MAN
2 stops17h 40mLufthansa
Deal found 28/3£577
Mon 5/507:00MAN - SEA
2 stops17h 00mAmerican Airlines
Wed 4/617:40SEA - MAN
2 stops17h 10mAmerican Airlines
Deal found 28/3£586
Tue 6/510:10MAN - SEA
2 stops20h 34mScandinavian Airlines
Wed 4/616:00SEA - MAN
1 stop33h 30mScandinavian Airlines
Deal found 28/3£588
Thu 8/508:50MAN - SEA
2 stops17h 43mSWISS
Mon 2/616:25SEA - MAN
1 stop31h 40mSWISS
Deal found 28/3£614
Sun 20/417:30MAN - SEA
1 stop26h 15mKLM
Sun 27/418:10SEA - MAN
1 stop19h 35mKLM
Deal found 28/3£616
Thu 8/506:05MAN - SEA
2 stops21h 32mAir Canada
Tue 3/611:40SEA - MAN
2 stops38h 45mAir Canada
Deal found 28/3£630

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 29 March 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

Thu 19/6

06:05-20:41

2 stops22h 36m

Seattle/Tacoma Intl

Tue 24/6

23:59-10:00

2 stops26h 01m

£539

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 24/4

12:00-17:50

2 stops13h 50m

Seattle/Tacoma Intl

Thu 1/5

15:45-22:50

2 stops23h 05m

£540

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 23/9

08:40-18:20

1 stop17h 40m

Seattle/Tacoma Intl

Tue 30/9

20:20-19:05

1 stop14h 45m

£557

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 10/9

05:55-11:15

1 stop13h 20m

Seattle/Tacoma Intl

Wed 17/9

13:40-13:10

2 stops15h 30m

£562

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 25/4

13:05-17:50

1 stop12h 45m

Seattle/Tacoma Intl

Tue 29/4

15:45-11:40

1 stop11h 55m

£565

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 10/9

08:00-21:38

2 stops21h 38m

Seattle/Tacoma Intl

Wed 17/9

15:05-15:35

2 stops16h 30m

£572

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 25/4

06:05-12:25

1 stop14h 20m

Seattle/Tacoma Intl

Tue 29/4

08:15-09:55

2 stops17h 40m

£577

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 5/5

07:00-16:00

2 stops17h 00m

Seattle/Tacoma Intl

Wed 4/6

17:40-18:50

2 stops17h 10m

£586

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 6/5

10:10-22:44

2 stops20h 34m

Seattle/Tacoma Intl

Wed 4/6

16:00-09:30

1 stop33h 30m

£588

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 8/5

08:50-18:33

2 stops17h 43m

Seattle/Tacoma Intl

Mon 2/6

13:45-17:55

2 stops20h 10m

£614

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 19 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 21 March 2025.

The best time to book flights from Sheffield to Seattle is 13 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 29 March 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 29 March 2025.
To help decide which airline to fly from Sheffield to Seattle, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,609 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 Sheffield?

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

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Alternative routes for Sheffield to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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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 29 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£491Average£649FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£492Average£633FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£495Average£677FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£497Average£696FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IcelandairCheapest£501Average£625FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£507Average£874FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£508Average£757FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£520Average£724FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£532Average£679FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£534Average£698FlexibilityNo cancel feeOn-time75%
Search KLM 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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