Submit feedbackComplete travel information for your March journey
March travel from Chicago O'Hare International Airport (ORD) to London Heathrow Airport (LHR) combines convenience with seasonal considerations. CTA Blue Line and rideshares provide reliable access to ORD; check for winter-to-spring service changes and allow extra time for de-icing delays on freezing days. Parking options range from economy long-term lots to valet; book early for spring-break weeks to secure the best parking rates. Flights are commonly nonstop on major carriers; for the cheapest flights from Chicago to London in March, search flexible dates and sign up for fare alerts. Nearby destinations frequently accessed from ORD include downtown Chicago, Milwaukee, Indianapolis, Detroit, and St. Louis — great options for multi-city itineraries. Book ORD to LHR flights now to lock in spring fares and confirm schedules.
Chicago O'Hare International Airport (ORD) is well served by CTA Blue Line trains, Pace buses, metered taxis, rideshares, and several airport shuttles. In March, expect typical early-spring weather — allow extra time for possible snow or rain and check CTA service alerts; aim to arrive 2–3 hours before international departures. For the most efficient route, use real-time transit apps or the airport's official website for parking and traffic updates.
For international flights from Chicago O'Hare International Airport (ORD) to London Heathrow Airport (LHR), arrive at least 3 hours before departure to complete check-in, security, and possible additional screening. March can include busy spring-break windows and occasional weather delays, so earlier arrival reduces stress and gives time for lounge access or last-minute changes. Check-in online and have travel documents ready to speed up the process.
Yes — major carriers like British Airways and American Airlines typically operate nonstop flights between Chicago O'Hare International Airport (ORD) and London Heathrow Airport (LHR) throughout March. Schedules may be slightly reduced on some days, so check carrier timetables and book early for the best cabin and fare options. Use flight searches for ORD to LHR direct flights to compare times and prices.
Travelers departing Chicago O'Hare International Airport (ORD) for London Heathrow Airport (LHR) must present a valid passport and any required UK entry paperwork or visas. Expect enhanced security screening for international flights; liquids, electronics, and carry-on rules follow TSA regulations. Check both the U.S. TSA and UK government travel guidance before departure for updates specific to March travel.
March is a transitional month in Chicago and London; Chicago O'Hare International Airport (ORD) can still see snow, freezing rain, or strong winds, while London Heathrow Airport (LHR) tends to be cool and rainy. Weather-related delays or de-icing procedures at ORD can add 30–120 minutes to your schedule, so monitor the airline's status and sign up for flight alerts. When booking, consider flexible fares or travel insurance to protect against disruption.
From Chicago O'Hare International Airport (ORD), travelers often access downtown Chicago attractions, plus nearby major destinations such as Milwaukee, Indianapolis, Detroit, and St. Louis via short domestic connections or ground transport. ORD is a major hub for connecting flights across the U.S., making it easy to add domestic legs before your transatlantic journey. Consider early arrival if planning same-day domestic connections in March due to possible spring weather.
Landing at London Heathrow Airport (LHR) in March means cool temperatures and plenty of transport choices to central London and beyond. Heathrow Express, Elizabeth Line, and Piccadilly Line connect travelers to Paddington, central London, and Heathrow's terminals; check for weekend engineering works in March that can affect services. Allow time for passport control and customs, and be prepared for rain by packing a lightweight waterproof jacket. Popular onward destinations include Oxford, Cambridge, Bath, Windsor, Manchester, Birmingham, and Edinburgh — plan connections in advance for the smoothest journey. Book Heathrow transfers and plan your ORD to LHR arrival logistics now to avoid last-minute rushes.
On arrival at London Heathrow Airport (LHR) in March, expect cool, often damp weather with temperatures typically between 5–12°C (41–54°F), so pack a waterproof layer. Passport control and baggage reclaim can be busy, especially during spring holidays; allow at least 60–90 minutes to clear immigration and customs. Heathrow is well connected by Heathrow Express, Elizabeth Line, Piccadilly Line, taxis, and coach services to central London and beyond.
The fastest option is the Heathrow Express to London Paddington (about 15–20 minutes), while the Elizabeth Line and Piccadilly Line offer cheaper rail connections to central London. Taxis and app-based rideshares serve all terminals; allow extra time for traffic during peak morning and evening hours. In March, check Transport for London (TfL) service updates for planned engineering works that can affect journeys.
March brings several events that attract travelers near Chicago O'Hare International Airport (ORD) and London Heathrow Airport (LHR). In Chicago, look for St. Patrick's Day parades and river dyeing events, seasonal theater openings, and sports fixtures that can influence hotel and flight demand. In London, March features events like St. Patrick's Day celebrations in central London, early spring exhibitions at major museums (British Museum, Tate Modern), and occasional motorsport or food festivals. These events can drive demand for ORD to LHR flights — book early if your travel coincides with major local festivals. CTA: Check event calendars for Chicago and London and lock in ORD to LHR flights for March early.
The best time to fly ORD to LHR in March is midweek departures (Tuesday–Thursday) outside peak spring-break dates when fares tend to be lower and airports are less crowded. Early morning or red-eye departures can save money and often avoid afternoon weather delays in Chicago; arrivals in London in the morning give you a full day to explore. Avoid late-March weekends if you want the cheapest fares, as spring-break demand can spike prices. Monitor fare trends and book when you see a good price — typically 6–10 weeks before departure for March travel. CTA: Compare midweek ORD to LHR flights now to find the best combination of price and convenience.
Nonstop flights from Chicago O'Hare International Airport (ORD) to London Heathrow Airport (LHR) are faster and reduce the risk of missed connections — they typically take 7.5–8.5 hours. Connecting flights may save money and offer more schedule flexibility, but they add connection time (often 2–6 hours) and increase exposure to delays, especially in March when Chicago weather can cause cancellations. If you value time and a simple itinerary, choose nonstop ORD to LHR flights; if you prioritize price and have flexible timing, connecting routes through U.S. hubs can be economical. CTA: Compare nonstop ORD to LHR flights with connecting alternatives to pick the best balance for your trip.
Major carriers operating Chicago O'Hare International Airport (ORD) to London Heathrow Airport (LHR) routes in March include British Airways and American Airlines, often with daily nonstop options. British Airways typically offers direct access to London Heathrow with a strong premium-cabin product and Avios loyalty benefits; American Airlines provides competitive schedules, partner connections, and frequent promotions. Cabin comfort, baggage allowances, and in-flight amenities vary — check exact aircraft types and seat maps before booking. For the best value, compare fares, loyalty benefits, and flight times between these carriers and book ORD to LHR flights that fit your budget and travel preferences. CTA: Compare British Airways and American Airlines ORD to LHR fares for March and book the flight that matches your needs.
Packing and timing are crucial for ORD to LHR trips in March. Bring layered clothing and a waterproof jacket for London and plan for possible cold snaps in Chicago — include comfortable shoes and a compact umbrella. Allow extra time at Chicago O'Hare International Airport (ORD) for de-icing and check flight status frequently; enroll in airline notifications for real-time updates. For arrivals at London Heathrow Airport (LHR), pre-book onward transport or the Heathrow Express to avoid crowds; consider travel insurance for weather-related disruptions. CTA: Prepare for March travel now by checking your flight status, packing weather-appropriate clothing, and securing transfers for a smoother ORD to LHR journey.
Nonstop flights between Chicago O'Hare International Airport (ORD) and London Heathrow Airport (LHR) typically take 7.5–8.5 hours depending on winds and routing. In March, schedule patterns often include daily morning and evening departures to match business and leisure demand; overnight red-eyes are common for maximizing daytime arrival in London. Connecting itineraries via U.S. hubs can add 2–6+ hours; factor in minimum connection times at ORD when booking. For best results, search ORD to LHR flight times with flexible-date tools and book a schedule that minimizes jet lag — if you prefer daytime arrival in London, choose an overnight flight that lands in the morning. CTA: Check current March schedules and book ORD to LHR flights that align with your itinerary.
To find cheap flights from Chicago O'Hare International Airport (ORD) to London Heathrow Airport (LHR) in March, use flexible date searches and midweek departure filters — Tuesdays and Wednesdays often have lower fares. Set fare alerts on multiple platforms (Google Flights, Skyscanner) and check for flash sales from major carriers; consider nearby departure dates to catch the cheapest windows. Book 6–10 weeks in advance for March travel and be open to red-eye or early-morning flights, which can lower cost. Use a combination of primary keywords such as 'ORD to LHR cheap flights' and location modifiers like 'Chicago to London March deals' when searching to surface the best offerings. CTA: Sign up for fare alerts and compare ORD to LHR prices now to lock in savings.
There are no direct long-distance trains from London Heathrow Airport (LHR) to cities like Oxford, Cambridge, or Manchester without changing trains in central London. Use the Elizabeth Line to connect to Paddington or Tottenham Court Road, then transfer to national rail services to reach Oxford, Cambridge (via London King's Cross), or Manchester (via London Euston). Plan connections in advance — March engineering works on weekends can affect some routes.
Passengers arriving at London Heathrow Airport (LHR) should follow UK customs rules: declare goods if you exceed allowance limits for tobacco, alcohol, or if you are bringing restricted items. Even in March, different allowances apply for travelers arriving from non-EU countries. Check the UK government customs pages before travel, and use the red or green channel in arrivals depending on whether you have goods to declare.
After landing at London Heathrow Airport (LHR), travelers commonly access London's top areas such as Westminster, the City of London, Kensington, and tourist hubs like Bath and Windsor; longer trips include Manchester, Birmingham, and Edinburgh via national rail or domestic flights. March is a great month to add UK day trips — Bath's Roman Baths and Windsor Castle are easily reachable. Book onward transport ahead to avoid weekend engineering disruption.
As of March, there are no routine quarantine or mandatory COVID tests for most travelers arriving at London Heathrow Airport (LHR), but entry rules can change based on public-health guidance or specific country advisories. Always check the UK government travel advice and your airline's requirements before flying. Carry digital and printed copies of vaccination certificates or test results if required by transit countries or airline policy.
