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Interlaken

$268+ Cheap flights from Washington, D.C. (WAS) to Interlaken, Switzerland

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ZRH
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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The best prices from Washington, D.C. to Interlaken are usually found in April or November, booked 74 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Washington, D.C. to Interlaken

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Interlaken (IN9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(oojo)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$724
Provider with most accurate pricing for Washington, D.C. (WAS)-Zurich flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Zurich flights.
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From Washington, D.C. (WAS) to Interlaken
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One-way flight from Washington, D.C. (WAS) to Interlaken
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Highest demand for flights based on searches. 22% potential increase in price ($274 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Washington, D.C. to Interlaken

Cheapest flights from Washington, D.C. to Interlaken
Explore the most affordable flight options available from Washington, D.C. to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/298:30 pmIAD - ZRH
1 stop10h 35mIcelandair
dom. 4/62:00 pmZRH - IAD
1 stop11h 20mIcelandair
Deal found 1/29$519
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/298:30 pmBWI - ZRH
1 stop10h 35mIcelandair
dom. 4/62:00 pmZRH - BWI
1 stop11h 25mIcelandair
Deal found 1/29$519
This Mytrip deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/196:10 pmIAD - ZRH
1 stop10h 35mScandinavian Airlines
mar. 3/251:00 pmZRH - IAD
2 stops32h 40mScandinavian Airlines
Deal found 1/30$521
This CheapOair deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/276:10 pmIAD - ZRH
1 stop11h 10mAer Lingus
dom. 4/611:15 amZRH - IAD
1 stop13h 40mAer Lingus
Deal found 1/29$542
This Mytrip deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/257:10 pmBWI - ZRH
3 stops32h 40mMultiple Airlines
mar. 4/19:55 pmZRH - BWI
3 stops25h 45mMultiple Airlines
Deal found 1/30$548
This oojo deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/112:00 pmIAD - ZRH
1 stop17h 50mTurkish Airlines
mar. 2/252:45 pmZRH - IAD
1 stop34h 45mTurkish Airlines
Deal found 1/30$596
This Scandinavian Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/2410:45 amBWI - ZRH
2 stops17h 00mScandinavian Airlines
lun. 3/310:25 amZRH - BWI
2 stops18h 01mScandinavian Airlines
Deal found 1/30$617
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/279:30 pmBWI - ZRH
1 stop13h 00mBritish Airways
dom. 4/61:05 pmZRH - BWI
1 stop12h 30mBritish Airways
Deal found 1/29$628
This oojo deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/155:00 pmIAD - ZRH
1 stop14h 00mTAP AIR PORTUGAL
mié. 4/236:05 pmZRH - IAD
1 stop27h 15mTAP AIR PORTUGAL
Deal found 1/30$638
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/59:10 amIAD - ZRH
2 stops17h 40mAmerican Airlines
dom. 4/137:30 amZRH - IAD
1 stop13h 30mAmerican Airlines
Deal found 1/28$646
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1910:45 pmIAD - ZRH
1 stop28h 50mBritish Airways
sáb. 4/266:20 pmZRH - IAD
1 stop27h 30mBritish Airways
Deal found 1/28$649
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/254:35 pmIAD - ZRH
1 stop12h 30mIberia
vie. 5/27:45 pmZRH - IAD
1 stop25h 15mIberia
Deal found 1/28$659

Find flights from Washington, D.C. to Interlaken within your budget

Customize your flight search to find flights from Washington, D.C. to Interlaken 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 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

sáb. 3/29

8:30 pm-12:05 pm

1 stop10h 35m

Zurich

dom. 4/6

2:00 pm-7:25 pm

1 stop11h 25m

$519

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mié. 3/19

6:10 pm-9:45 am

1 stop10h 35m

Zurich

mar. 3/25

1:00 pm-4:40 pm

2 stops32h 40m

$521

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

mar. 3/25

7:10 pm-8:50 am

3 stops32h 40m

Zurich

mar. 4/1

9:55 pm-5:40 pm

3 stops25h 45m

$548

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mié. 3/26

6:10 pm-10:20 am

1 stop11h 10m

Zurich

mié. 4/2

11:15 am-7:30 pm

1 stop14h 15m

$575

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mar. 2/11

2:00 pm-1:50 pm

1 stop17h 50m

Zurich

mar. 2/25

2:45 pm-7:30 pm

1 stop34h 45m

$596

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

lun. 2/24

10:45 am-9:45 am

2 stops17h 00m

Zurich

lun. 3/3

10:25 am-10:26 pm

2 stops18h 01m

$617

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

jue. 3/27

9:30 pm-3:30 pm

1 stop13h 00m

Zurich

dom. 4/6

1:05 pm-7:35 pm

1 stop12h 30m

$628

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mar. 4/15

5:00 pm-1:00 pm

1 stop14h 00m

Zurich

mié. 4/23

6:05 pm-3:20 pm

1 stop27h 15m

$638

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

lun. 3/24

8:40 pm-12:05 pm

1 stop10h 25m

Zurich

dom. 4/6

2:00 pm-7:20 pm

1 stop11h 20m

$681

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

mar. 3/25

10:15 pm-4:05 pm

1 stop12h 50m

Zurich

mar. 4/1

11:15 am-7:30 pm

1 stop14h 15m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 54 results
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Best time to book a flight from Washington, D.C. to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Washington, D.C. with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from Washington, D.C. to Interlaken

Get recent, data-driven insights about flights from Washington, D.C. to Interlaken including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. to Interlaken?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Interlaken. Price data was last updated on January 24, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Interlaken, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Interlaken?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Interlaken (average of $637). Flying from Washington, D.C. to Interlaken in June is currently the most expensive (average of $1,315). 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 WAS to IN9?

Find hourly flight availability from Washington, D.C. to Interlaken. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Interlaken as you normally would.

What is the cheapest day to fly from Washington, D.C. to Interlaken?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Interlaken. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Interlaken flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Interlaken

Explore weekly flight availability from Washington, D.C. to Interlaken. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated enero 30, 2025.

The most flights from WAS to IN9 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Interlaken by month

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

In terms of precipitation, rainfall in Interlaken ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Interlaken when rainfall is around 2.5 in.

Temperature in Interlaken by month

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

If weather is an important factor for your trip to Interlaken, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Interlaken

Get insights into the airlines that provide service to Interlaken. 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 Interlaken. Reviews last updated enero 30, 2025.
Read reviews from past customers who have flown Delta, LOT and Finnair from Washington, D.C. to Interlaken. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,097 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,584 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Interlaken. 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 Washington, D.C. to Interlaken one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $389. Scandinavian Airlines flights start at $395 while deals on TAP AIR PORTUGAL start at $440 one-way.

  • What are the most popular routes from Washington, D.C. to Interlaken?

    The most popular route from Washington, D.C. to Interlaken is Washington, D.C. Dulles Intl - Zurich. You may also consider Washington, D.C. Reagan-National - Zurich or Baltimore/Washington - Zurich.

  • Can I find deals for flights from Washington, D.C. to Interlaken that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Interlaken?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Interlaken.

  • Can I find deals for business class flights from Washington, D.C. to Interlaken?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Interlaken 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 Washington, D.C. to Interlaken?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Interlaken (average of $637). Flying from Washington, D.C. to Interlaken in June is currently the most expensive (average of $1,315). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Washington, D.C. to Interlaken

Discover the top 10 airlines that operate flights from Washington, D.C. to Interlaken. 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 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$375Average$583FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$386Average$971FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$503Average$870FlexibilityNo cancel feeOn-time70%
DeltaCheapest$522Average$1,116FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$530Average$679FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$555Average$947FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$613Average$912FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$619Average$1,233FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$694Average$1,183FlexibilityNo cancel feeOn-time69%
SWISSCheapest$722Average$1,147FlexibilityNo cancel feeOn-time79%
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