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Cheap flights from Sheffield to Seattle from £300

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sheffield to Seattle

Enter your travel dates to find the best prices.

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 21 June 2026.

Fri 21/811:40
MAN
-
SEA
1 stop13h 30m
Aer Lingus
Fri 11/919:10
SEA
-
MAN
1 stop13h 45m
Aer Lingus
Deal found 20/6£529
Thu 20/806:00
MAN
-
SEA
3 stops35h 40m
Multiple Airlines
Sat 29/815:40
SEA
-
MAN
2 stops22h 20m
Multiple Airlines
Deal found 20/6£530
Thu 9/712:50
MAN
-
SEA
1 stop12h 20m
Aer Lingus
Sun 19/719:10
SEA
-
MAN
1 stop13h 45m
Aer Lingus
Deal found 19/6£532
Sat 4/712:50
MAN
-
SEA
1 stop12h 20m
Aer Lingus
Sun 12/719:10
SEA
-
MAN
1 stop13h 45m
Aer Lingus
Deal found 16/6£541
Wed 23/1219:30
MAN
-
SEA
1 stop24h 00m
British Airways
Wed 6/114:04
SEA
-
MAN
2 stops15h 51m
British Airways
Deal found 16/6£554
Fri 21/823:00
MAN
-
SEA
3 stops42h 40m
Multiple Airlines
Fri 11/915:40
SEA
-
MAN
2 stops23h 10m
Multiple Airlines
Deal found 20/6£556
Thu 16/706:00
MAN
-
SEA
3 stops44h 45m
Multiple Airlines
Thu 23/715:40
SEA
-
MAN
2 stops22h 55m
Multiple Airlines
Deal found 18/6£558
Thu 3/919:25
MAN
-
SEA
2 stops33h 15m
Multiple Airlines
Thu 24/919:00
SEA
-
MAN
2 stops15h 30m
Multiple Airlines
Deal found 19/6£566
Sun 13/920:00
MAN
-
SEA
1 stop23h 35m
British Airways
Sun 20/920:20
SEA
-
MAN
1 stop17h 10m
British Airways
Deal found 17/6£569

Find flight deals from Sheffield to Seattle

Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 21 June 2026.

Round-trip from

£529

One-way from

£300

Popular in

August

Cheapest in

October

Average price

£696
Aer Lingus
  • Aer Lingus
  • 21/8-11/9
  • 2 total stops
  • 27h 15m total
  • Sheffield to Seattle
Search Deals
24/9
  • 24/9
  • 2 total stops
  • 41h 05m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 21 June 2026.
Use the filters below to find and compare flights from Sheffield to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 3/7

17:25-17:10

1 stop31h 45m

Seattle/Tacoma Intl

Tue 21/7

20:20-22:30

1 stop18h 10m

£592

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 3/7

20:55-17:10

1 stop28h 15m

Seattle/Tacoma Intl

Wed 22/7

20:20-21:45

1 stop17h 25m

£592
Fastest return journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 10/9

10:35-16:59

1 stop14h 24m

Seattle/Tacoma Intl

Mon 14/9

07:30-10:25

2 stops18h 55m

£598

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 28/8

08:40-18:25

1 stop17h 45m

Seattle/Tacoma Intl

Tue 8/9

19:10-20:25

1 stop17h 15m

£599

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 8/7

10:35-09:40

2 stops31h 05m

Seattle/Tacoma Intl

Thu 23/7

23:20-09:50

2 stops26h 30m

£608

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 3/7

09:00-19:06

2 stops18h 06m

Seattle/Tacoma Intl

Wed 22/7

14:10-17:35

1 stop19h 25m

£609
Cheapest one-way

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 27/8

22:25-21:00

3 stops30h 35m

£304

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 23/8

09:30-10:39

3 stops57h 09m

£356

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 25/9

05:55-18:45

3 stops20h 50m

£436

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 2/9

10:55-18:25

1 stop15h 30m

£439

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 14 resultsSorted by cheapest first
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 much does it cost for a return flight from Sheffield to Seattle?

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 21 June 2026.
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.
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
690 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Aer Lingus
7.3
Good
1,611 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
680 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,062 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 9 different airlines.

  • How long is the flight from Sheffield to Seattle?

    Airlines like British Airways and United Airlines fly from Sheffield to Seattle in about 14h 24m. The time it takes to get you to your destination can typically vary by up to 17h 21m. Airlines will cover a distance of 4633 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as £396 on Icelandair. Other airlines that offer cheap prices include British Airways from £445 and Aer Lingus from £479 one-way.

  • 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

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Top 9 airlines flying from Sheffield to Seattle

Discover the top 9 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 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£367Average£556FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£396Average£564FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£466Average£677FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£484Average£550FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£489Average£732FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£552Average£636FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£574Average£716FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£576Average£682FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£619Average£774FlexibilityNo cancel feeOn-time77%
Search Air France 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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