What are the cheapest airlines to fly from Washington, D.C. to Interlaken one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $310. Icelandair flights start at $348 while deals on SWISS start at $452 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.

What are the cheapest flights from Washington, D.C. to Interlaken?

On average you can expect to pay $4,151 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $477 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $422.

What are the most reliable airlines from Washington, D.C. to Interlaken?

Before booking your flight to Interlaken from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (77%), United Airlines (77%), SWISS( 77%).

What are the most popular airlines that fly from Washington, D.C. to Interlaken?

ITA Airways, Delta and Aer Lingus are the most popular airlines when flying from Washington, D.C. to Interlaken.

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

To save up to 20% on this flight, we recommend booking at least 13 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Interlaken from $660 1-2 weeks out and tickets from $974 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of November. Prices to Interlaken from Washington, D.C. average $947. You can even find prices in November for less than $947, as users have found deals to Interlaken from as low as $380. The month of June appears to be one of the more expensive times to travel to Interlaken from Washington, D.C.. Flying in the targeted month can save you up to 46%.

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.

$310+ Flights from Washington, D.C. to Interlaken

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Cheapflights Tip: The best prices from Washington, D.C. to Interlaken are usually found in November or January, booked 12 days in advance, depart on a Tuesday or Monday and return on a Sunday

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$609 (Cheapflightsfares)
One-way from	$310 (oojo)
Popular in	June
Cheapest in	November
Average price	$835

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

Search Deals

One-way flight from Washington, D.C. (WAS) to Interlaken

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($204 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Mon 9/11:00 pmBWI - ZRH

2 stops14h 40mScandinavian Airlines

Tue 9/910:20 amZRH - BWI

2 stops17h 23mScandinavian Airlines

Deal found 4/30

$609

Tue 8/128:30 pmBWI - ZRH

1 stop13h 25mIcelandair

Thu 8/212:00 pmZRH - BWI

1 stop11h 25mIcelandair

Deal found 5/1

$620

Tue 9/96:50 pmBWI - ZRH

2 stops19h 50mMultiple Airlines

Fri 9/198:10 amZRH - BWI

2 stops15h 30mMultiple Airlines

Deal found 4/30

$646

Sat 10/1110:05 pmIAD - ZRH

1 stop29h 35mScandinavian Airlines

Mon 10/2010:20 amZRH - IAD

2 stops36h 11mScandinavian Airlines

Deal found 4/30

$659

Thu 8/711:15 pmIAD - ZRH

1 stop10h 40mIcelandair

Tue 8/262:00 pmZRH - IAD

1 stop11h 20mIcelandair

Deal found 5/1

$661

Tue 8/124:56 pmDCA - ZRH

1 stop9h 54mAmerican Airlines

Thu 8/2111:45 amZRH - DCA

2 stops15h 45mAmerican Airlines

Deal found 4/30

$666

Tue 8/1210:40 pmIAD - ZRH

1 stop17h 55mAmerican Airlines

Thu 8/217:30 amZRH - IAD

1 stop13h 30mAmerican Airlines

Deal found 4/30

$667

Mon 5/51:30 pmIAD - ZRH

1 stop14h 20mTurkish Airlines

Tue 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/29

$674

Mon 8/115:55 pmIAD - ZRH

1 stop18h 05mBritish Airways

Mon 8/189:45 pmZRH - IAD

1 stop25h 50mBritish Airways

Deal found 4/30

$679

Tue 8/128:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Thu 8/2812:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 4/30

$685

Wed 8/66:00 amDCA - ZRH

1 stop18h 10mAir Canada

Tue 8/2612:40 pmZRH - DCA

1 stop15h 08mAir Canada

Deal found 5/1

$687

Sun 5/412:45 pmDCA - ZRH

2 stops21h 00mMultiple Airlines

Wed 5/148:00 amZRH - DCA

2 stops18h 00mMultiple Airlines

Deal found 4/29

$690

Best flights from Washington, D.C. to Interlaken
Discover carefully curated flight deals from Washington, D.C. to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Mon 9/11:00 pmBWI - ZRH

2 stops14h 40mScandinavian Airlines

Tue 9/910:20 amZRH - BWI

2 stops17h 23mScandinavian Airlines

Deal found 4/30

$609

Tue 8/128:30 pmBWI - ZRH

1 stop13h 25mIcelandair

Thu 8/212:00 pmZRH - BWI

1 stop11h 25mIcelandair

Deal found 5/1

$620

Tue 9/96:50 pmBWI - ZRH

2 stops19h 50mMultiple Airlines

Fri 9/198:10 amZRH - BWI

2 stops15h 30mMultiple Airlines

Deal found 4/30

$646

Tue 8/124:56 pmDCA - ZRH

1 stop9h 54mAmerican Airlines

Thu 8/2111:45 amZRH - DCA

2 stops15h 45mAmerican Airlines

Deal found 4/30

$666

Mon 8/115:55 pmIAD - ZRH

1 stop18h 05mBritish Airways

Mon 8/189:45 pmZRH - IAD

1 stop25h 50mBritish Airways

Deal found 4/30

$679

Wed 5/141:30 pmIAD - ZRH

1 stop26h 50mTurkish Airlines

Wed 6/117:40 amZRH - IAD

1 stop18h 05mTurkish Airlines

Deal found 4/29

$682

Tue 8/128:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Thu 8/2812:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 4/30

$685

Wed 8/66:00 amDCA - ZRH

1 stop18h 10mAir Canada

Tue 8/2612:40 pmZRH - DCA

1 stop15h 08mAir Canada

Deal found 5/1

$687

Wed 8/612:35 pmIAD - ZRH

1 stop16h 20mUnited Airlines

Tue 8/2611:55 amZRH - IAD

Nonstop9h 30mUnited Airlines

Deal found 5/1

$691

Tue 8/121:00 pmBWI - ZRH

2 stops15h 35mDelta

Thu 8/2110:10 amZRH - BWI

1 stop14h 43mDelta

Deal found 5/1

$706

Thu 9/255:50 pmIAD - ZRH

2 stops15h 10mTAP AIR PORTUGAL

Tue 10/147:50 pmZRH - IAD

2 stops25h 30mTAP AIR PORTUGAL

Deal found 5/1

$732

Wed 8/65:10 pmIAD - ZRH

2 stops13h 05mLufthansa

Fri 8/291:15 pmZRH - IAD

1 stop12h 10mLufthansa

Deal found 4/30

$779

Last-minute flights from Washington, D.C. to Interlaken
Discover last-minute flight deals from Washington, D.C. to Interlaken. Data last updated May 1, 2025 and is based on user searches.

Sun 5/48:30 pmIAD - ZRH

1 stop10h 35mIcelandair

Thu 5/82:00 pmZRH - IAD

1 stop11h 20mIcelandair

Deal found 4/30

$670

Sun 5/412:45 pmDCA - ZRH

2 stops21h 00mMultiple Airlines

Wed 5/148:00 amZRH - DCA

2 stops18h 00mMultiple Airlines

Deal found 4/29

$690

Mon 5/51:30 pmIAD - ZRH

1 stop14h 20mTurkish Airlines

Tue 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/29

$674

Tue 5/610:20 pmIAD - ZRH

1 stop18h 10mTAP AIR PORTUGAL

Wed 5/146:05 pmZRH - IAD

1 stop27h 15mTAP AIR PORTUGAL

Deal found 4/29

$771

Tue 5/68:30 pmIAD - ZRH

2 stops17h 55mMultiple Airlines

Thu 5/156:00 amZRH - IAD

1 stop15h 20mMultiple Airlines

Deal found 4/29

$813

Tue 5/64:30 pmIAD - ZRH

1 stop19h 45mITA Airways

Sun 5/117:05 pmZRH - IAD

2 stops30h 34mITA Airways

Deal found 4/29

$825

Wed 5/71:30 pmIAD - ZRH

1 stop21h 45mTurkish Airlines

Tue 5/1310:45 amZRH - IAD

1 stop31h 00mTurkish Airlines

Deal found 4/29

$682

Wed 5/78:30 pmBWI - ZRH

1 stop10h 35mIcelandair

Mon 5/122:00 pmZRH - BWI

1 stop11h 25mIcelandair

Deal found 4/30

$761

Wed 5/78:30 pmBWI - ZRH

2 stops18h 20mMultiple Airlines

Sun 5/119:55 pmZRH - BWI

3 stops43h 09mMultiple Airlines

Deal found 4/30

$765

Wed 5/74:47 pmBWI - ZRH

2 stops34h 53mScandinavian Airlines

Tue 5/138:25 pmZRH - BWI

2 stops34h 23mScandinavian Airlines

Deal found 4/29

$838

Thu 5/810:10 amDCA - ZRH

2 stops23h 25mMultiple Airlines

Mon 5/128:00 amZRH - DCA

2 stops16h 00mMultiple Airlines

Deal found 4/29

$790

Thu 5/86:05 amDCA - ZRH

2 stops21h 50mITA Airways

Tue 5/1310:40 amZRH - DCA

2 stops18h 05mITA Airways

Deal found 4/29

$830

One-way flights from Washington, D.C. to Interlaken
Search for one-way flight options from Washington, D.C. to Interlaken. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Mon 8/115:45 pmIAD - ZRH

1 stop22h 45mTAP AIR PORTUGAL

Deal found 4/29

$310

Tue 7/156:50 pmBWI - ZRH

2 stops14h 45mMultiple Airlines

Deal found 4/30

$316

Wed 10/2211:15 pmIAD - ZRH

2 stops15h 00mMultiple Airlines

Deal found 4/30

$324

Wed 10/228:30 pmBWI - ZRH

1 stop10h 35mIcelandair

Deal found 4/30

$348

Wed 10/2211:15 pmIAD - ZRH

1 stop31h 50mIcelandair

Deal found 4/30

$350

Sat 8/168:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Deal found 4/30

$452

Mon 8/116:10 amDCA - ZRH

1 stop20h 40mAmerican Airlines

Deal found 4/29

$498

Mon 8/117:45 pmBWI - ZRH

2 stops20h 45mBritish Airways

Deal found 4/30

$499

Mon 8/117:17 pmDCA - ZRH

2 stops21h 13mBritish Airways

Deal found 4/30

$499

Sat 5/109:40 pmIAD - ZRH

1 stop29h 45mTurkish Airlines

Deal found 4/30

$509

Mon 8/118:19 pmIAD - ZRH

2 stops20h 11mBritish Airways

Deal found 4/29

$538

Tue 7/1511:00 amDCA - ZRH

2 stops24h 10mMultiple Airlines

Deal found 4/30

$584

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Interlaken that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Mon 9/1

1:00 pm-9:40 am

2 stops14h 40m

Zurich

Tue 9/9

10:20 am-9:43 pm

2 stops17h 23m

$609

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Tue 8/12

8:30 pm-3:55 pm

1 stop13h 25m

Zurich

Thu 8/21

2:00 pm-7:25 pm

1 stop11h 25m

$620

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Tue 9/9

6:50 pm-8:40 pm

2 stops19h 50m

Zurich

Fri 9/19

8:10 am-5:40 pm

2 stops15h 30m

$646

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sat 10/11

10:05 pm-9:40 am

1 stop29h 35m

Zurich

Mon 10/20

10:20 am-4:31 pm

2 stops36h 11m

$659

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Thu 8/7

11:15 pm-3:55 pm

1 stop10h 40m

Zurich

Tue 8/26

2:00 pm-7:20 pm

1 stop11h 20m

$661

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Tue 8/12

4:56 pm-8:50 am

1 stop9h 54m

Zurich

Thu 8/21

11:45 am-9:30 pm

2 stops15h 45m

$666

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 8/12

10:40 pm-10:35 pm

1 stop17h 55m

Zurich

Thu 8/21

7:30 am-3:00 pm

1 stop13h 30m

$667

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 8/11

5:55 pm-6:00 pm

1 stop18h 05m

Zurich

Mon 8/18

9:45 pm-5:35 pm

1 stop25h 50m

$679

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 5/14

1:30 pm-10:20 pm

1 stop26h 50m

Zurich

Wed 6/11

7:40 am-7:45 pm

1 stop18h 05m

$682

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 8/12

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Thu 8/28

12:50 pm-4:15 pm

Nonstop9h 25m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 55 results

...

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Interlaken

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Interlaken, you should look to book at least 12 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 $1,234). 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?

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?

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

The most flights from WAS to IN9 are scheduled on a Wednesday (8 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Interlaken 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

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

Read reviews from past customers who have flown Delta, SWISS and United Airlines 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

7,934 reviews

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

7,934 reviews

Delta

8.0

Very good

7,934 reviews

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

1,588 reviews

Delta

8.0

Very good

7,934 reviews

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

8,696 reviews

Delta

8.0

Very good

7,934 reviews

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.

Turkish Airlines

7.3

Good

3,791 reviews

Delta

8.0

Very good

7,934 reviews

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.

Scandinavian Airlines

7.3

Good

1,349 reviews

Delta

8.0

Very good

7,934 reviews

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

What are the cheapest airlines to fly from Washington, D.C. to Interlaken one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $310. Icelandair flights start at $348 while deals on SWISS start at $452 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.
What are the most reliable airlines from Washington, D.C. to Interlaken?
Before booking your flight to Interlaken from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (77%), United Airlines (77%), SWISS( 77%).
What are the cheapest flights from Washington, D.C. to Interlaken?
On average you can expect to pay $4,151 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $477 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $422.
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 $1,234). 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

Alternative routes for Washington, D.C. to Interlaken

Dulles Intl to Zurich flights

Dulles Intl to Geneva flights

Reagan-National to Zurich flights

Reagan-National to Geneva flights

Dulles Intl to Basel flights

Reagan-National to Basel flights

Dulles Intl to Lugano flights

Reagan-National to Lugano flights

Dulles Intl to Bern flights

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

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$375	Average$576	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$386	Average$951	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$503	Average$913	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$522	Average$1,000	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$530	Average$674	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$555	Average$990	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$609	Average$872	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$682	Average$1,108	FlexibilityNo cancel fee	On-time69%
SWISS	Cheapest$722	Average$1,129	FlexibilityNo cancel fee	On-time79%
Lufthansa	Cheapest$751	Average$1,062	FlexibilityNo cancel fee	On-time76%

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$310+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Interlaken with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Interlaken are usually found in November or January, booked 12 days in advance, depart on a Tuesday or Monday and return on a Sunday

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

Keep the following information in mind while searching for Washington, D.C. to Interlaken flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Washington, D.C. to InterlakenExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Interlaken that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Interlaken

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 April 25, 2025.

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

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 May 1, 2025.

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.

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

Rainfall in Interlaken by month

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

Temperature in Interlaken by month

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

Reviews of airlines servicing Interlaken

Read reviews from past customers who have flown Delta, SWISS and United Airlines 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.

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?

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

What are the most reliable airlines from Washington, D.C. to Interlaken?

What are the cheapest flights from Washington, D.C. to Interlaken?

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

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

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

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

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Alternative routes for Washington, D.C. to Interlaken

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

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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 May 1, 2025.