What are the cheapest airlines to fly from Idaho to London City Airport one-way?

For one-way options, check prices for SWISS. According to our data, you can fly for as low as £370. Users have also found prices from £385 and £425 on Lufthansa and United Airlines, respectively.

What is the cheapest month to book a flight from Idaho to London City Airport?

Currently, February is the cheapest month in which you can book a flight from Idaho to London City Airport (average of £161). Flying from Idaho to London City Airport in August is currently the most expensive (average of £214). 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.

In terms of precipitation, rainfall in London City Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London City Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London City Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Idaho to London City Airport?

Most travelers choose Boise Air Term. Gowen Fld - London City, Spokane - London City or Jackson Hole - London City when deciding on the best route from Idaho to London City Airport.

How far in advance should I book a flight from Idaho to London City Airport?

Users have found that booking a flight from Idaho to London City Airport at least 36 days early can save you up to 27% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from Idaho to London City Airport for as little as £532 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £636 for flights departing within the next 3 days.

What is the cheapest month to fly from Idaho to London City Airport?

Our data shows that October tends to be the cheapest month to fly to London City Airport from Idaho. Users have commonly found prices around £676 for the month, but tickets can be as low as £442. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from ID to LCY?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to London City Airport as you normally would.

Can I find deals for flights from Idaho to London City that include hotel bookings?

Yes. In addition to deals on Idaho to London City flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Idaho to London City?

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

Can I find deals for business class flights from Idaho to London City?

Yes. Cheapflights offers flight deals from Idaho to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£370+ Flights from Idaho to London City Airport

Cheap flight deals from Idaho to London City

Round-trip from	£571
One-way from	£370
Popular in	June
Cheapest in	October
Average price	£878

14/10-22/10
4 total stops
41h 04m total
Idaho to London

Search Deals

SWISS
23/7
2 total stops
35h 18m total
Idaho to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£144 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Idaho to London City

Cheapest flights from Idaho to London City
Explore the most affordable flight options available from Idaho to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Tue 14/1009:45BOI - LCY

2 stops19h 45mMultiple Airlines

Wed 22/1009:25LCY - BOI

2 stops21h 19mMultiple Airlines

Deal found 1/7£571

Tue 14/1014:39BOI - LCY

2 stops20h 56mLufthansa

Wed 22/1008:45LCY - BOI

2 stops19h 39mLufthansa

Deal found 3/7£581

Wed 8/1007:15GEG - LCY

2 stops27h 20mLufthansa

Thu 16/1008:45LCY - GEG

2 stops19h 39mLufthansa

Deal found 2/7£632

Wed 26/1114:40JAC - LCY

2 stops18h 50mLufthansa

Wed 3/1218:10LCY - JAC

2 stops33h 27mLufthansa

Deal found 2/7£691

Tue 12/805:15GEG - LCY

3 stops18h 55mMultiple Airlines

Mon 18/819:10LCY - GEG

2 stops33h 53mMultiple Airlines

Deal found 3/7£895

Wed 23/714:32BOI - LCY

2 stops21h 13mSWISS

Fri 1/809:25LCY - BOI

2 stops19h 09mSWISS

Deal found 3/7£999

Sat 20/1223:30BOI - LCY

2 stops24h 45mDelta

Sun 28/1213:45LCY - BOI

2 stops30h 06mDelta

Deal found 3/7£1,393

Sun 28/917:03GEG - LCY

2 stops15h 37mDelta

Fri 10/1007:45LCY - GEG

2 stops19h 02mDelta

Deal found 2/7£1,495

Best flights from Idaho to London City
Discover carefully curated flight deals from Idaho to London City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 July 2025.

Tue 14/1009:45BOI - LCY

2 stops19h 45mMultiple Airlines

Wed 22/1009:25LCY - BOI

2 stops21h 19mMultiple Airlines

Deal found 1/7£571

Tue 14/1014:39BOI - LCY

2 stops20h 56mLufthansa

Wed 22/1008:45LCY - BOI

2 stops19h 39mLufthansa

Deal found 3/7£581

Wed 23/714:32BOI - LCY

2 stops21h 13mSWISS

Fri 1/809:25LCY - BOI

2 stops19h 09mSWISS

Deal found 2/7£999

Tue 23/907:23GEG - LCY

2 stops26h 07mMultiple Airlines

Tue 30/909:25LCY - GEG

2 stops21h 50mMultiple Airlines

Deal found 1/7£571

Wed 8/1007:15GEG - LCY

2 stops27h 20mLufthansa

Thu 16/1008:45LCY - GEG

2 stops19h 39mLufthansa

Deal found 2/7£632

Sat 20/1223:30BOI - LCY

2 stops24h 45mDelta

Sun 28/1213:45LCY - BOI

2 stops30h 06mDelta

Deal found 3/7£1,393

Wed 26/1114:40JAC - LCY

2 stops18h 50mLufthansa

Wed 3/1218:10LCY - JAC

2 stops33h 27mLufthansa

Deal found 2/7£691

Sun 28/917:03GEG - LCY

2 stops15h 37mDelta

Fri 10/1007:45LCY - GEG

2 stops19h 02mDelta

Deal found 2/7£1,495

Last-minute flights from Idaho to London City
Discover last-minute flight deals from Idaho to London City. Data last updated 4 July 2025 and is based on user searches.

Wed 23/714:32BOI - LCY

2 stops21h 13mSWISS

Fri 1/809:25LCY - BOI

2 stops19h 09mSWISS

Deal found 2/7£999

Tue 12/813:37GEG - LCY

2 stops18h 48mLufthansa

Mon 18/819:10LCY - GEG

2 stops35h 55mLufthansa

Deal found 3/7£687

Tue 12/805:15GEG - LCY

3 stops18h 55mMultiple Airlines

Mon 18/819:10LCY - GEG

2 stops33h 53mMultiple Airlines

Deal found 3/7£895

Sat 16/812:39BOI - LCY

2 stops18h 06mMultiple Airlines

Sat 30/809:20LCY - BOI

2 stops21h 14mMultiple Airlines

Deal found 2/7£703

One-way flights from Idaho to London City
Search for one-way flight options from Idaho to London City. Find affordable one-way fares based on user searches. Data last updated 4 July 2025.

Wed 23/714:32BOI - LCY

2 stops35h 18mSWISS

Deal found 2/7£370

Wed 23/712:39BOI - LCY

2 stops20h 46mLufthansa

Deal found 3/7£385

Thu 24/707:31JAC - LCY

2 stops21h 59mMultiple Airlines

Deal found 3/7£407

Fri 1/810:50BOI - LCY

2 stops17h 50mUnited Airlines

Deal found 2/7£425

Fri 15/807:00GEG - LCY

2 stops20h 40mUnited Airlines

Deal found 1/7£425

Fri 25/707:00JAC - LCY

2 stops21h 40mUnited Airlines

Deal found 3/7£476

Fri 1/808:18BOI - LCY

3 stops48h 37mMultiple Airlines

Deal found 2/7£551

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 14/10

09:45-12:30

2 stops19h 45m

London City

Wed 22/10

09:25-23:44

2 stops21h 19m

£571

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 23/9

07:23-17:30

2 stops26h 07m

London City

Tue 30/9

09:25-23:15

2 stops21h 50m

£571

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 14/10

14:39-18:35

2 stops20h 56m

London City

Wed 22/10

08:45-21:24

2 stops19h 39m

£581

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 8/10

07:15-18:35

2 stops27h 20m

London City

Thu 16/10

08:45-20:24

2 stops19h 39m

£632

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Wed 26/11

14:40-16:30

2 stops18h 50m

London City

Wed 3/12

18:10-20:37

2 stops33h 27m

£691

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 23/7

14:32-18:45

2 stops21h 13m

London City

Fri 1/8

09:25-21:34

2 stops19h 09m

£999

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sat 20/12

23:30-07:15

2 stops24h 45m

London City

Sun 28/12

13:45-12:51

2 stops30h 06m

£1,393

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 28/9

17:03-16:40

2 stops15h 37m

London City

Fri 10/10

07:45-18:47

2 stops19h 02m

£1,495

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 23/7

14:32-08:50

2 stops35h 18m

£370

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 23/7

12:39-16:25

2 stops20h 46m

£385

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 15 results

Best time to book a flight from Idaho to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Idaho 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 Idaho to London City Airport

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

Reviews of airlines servicing London City

Read through reviews of airlines operating flights from Idaho to London City Airport, such as Delta, SWISS, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,982 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,654 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,844 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,207 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Idaho to London City Airport one-way?
For one-way options, check prices for SWISS. According to our data, you can fly for as low as £370. Users have also found prices from £385 and £425 on Lufthansa and United Airlines, respectively.
What are the most popular routes from Idaho to London City Airport?
Most travelers choose Boise Air Term. Gowen Fld - London City, Spokane - London City or Jackson Hole - London City when deciding on the best route from Idaho to London City Airport.
Can I find deals for flights from Idaho to London City that include hotel bookings?
Yes. In addition to deals on Idaho to London City flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Idaho to London City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to London City.
Can I find deals for business class flights from Idaho to London City?
Yes. Cheapflights offers flight deals from Idaho to London City 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 Idaho to London City Airport?
Currently, February is the cheapest month in which you can book a flight from Idaho to London City Airport (average of £161). Flying from Idaho to London City Airport in August is currently the most expensive (average of £214). 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

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When you search for this flight from Idaho to London City, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Idaho to London City?

Cheapflights helps you find that perfect flight to London City from Idaho by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Idaho to London City with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Idaho to London City flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Idaho to London City become cheaper?

Not ready to book yet? You can track prices for flights from Idaho to London City on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Idaho to London City Airport from £370

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Idaho to London City

Keep the following information in mind while searching for Idaho to London City flight deals. Data was last updated 4 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Idaho to London City

Cheapest flights from Idaho to London CityExplore the most affordable flight options available from Idaho to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Idaho to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to London City Airport that are best for you.

Best time to book a flight from Idaho to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Idaho with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho to London City Airport

Reviews of airlines servicing London City

Read through reviews of airlines operating flights from Idaho to London City Airport, such as Delta, SWISS, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Idaho to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Idaho to London City Airport one-way?

What are the most popular routes from Idaho to London City Airport?

Can I find deals for flights from Idaho to London City that include hotel bookings?

How can I find direct flights from Idaho to London City?

Can I find deals for business class flights from Idaho to London City?

What is the cheapest month to book a flight from Idaho to London City Airport?

Travelling to a place near Idaho?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to London City

See prices for flight routes from nearby airports that may be better suited for you.

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 Idaho to London City?

Why should you use Cheapflights to find cheap flight tickets from Idaho to London City?

Can Cheapflights find flights from Idaho to London City with no change fees?

Can Cheapflights notify me if prices for flights from Idaho to London City become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Idaho to London City
Explore the most affordable flight options available from Idaho to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.