What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport 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 $430. SWISS flights start at $496 while deals on Turkish Airlines start at $500 one-way.

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

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport 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.

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

Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Interlaken? While on average our users pay $3,734, our data indicates the cheapest price to be $458. The most popular route (Washington, D.C. Dulles Intl - Zurich), is priced around $423.

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

Before booking your flight to Interlaken from Washington, D.C. Dulles Intl Airport, 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. Dulles Intl Airport to Interlaken?

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

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

Flights from Washington, D.C. Dulles Intl Airport to Interlaken lean towards being more expensive in June. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Interlaken in November, with the cheapest ticket starting at $380.

Can I find deals for flights from Dulles Intl to Interlaken that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Interlaken?

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

Can I find deals for business class flights from Dulles Intl to Interlaken?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$311+ Flights from Washington, D.C. Dulles Intl Airport to Interlaken

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Interlaken are usually found in February or October, booked 62 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Dulles Intl to Interlaken

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$648 (CheapOair)
One-way from	$379 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$1,102

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. Dulles Intl to Interlaken

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One-way flight from Washington, D.C. Dulles Intl to Interlaken

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($272 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Dulles Intl to Interlaken

Cheapest flights from Dulles Intl to Interlaken
Explore the most affordable flight options available from Dulles Intl to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Tue 8/1210:05 pmIAD - ZRH

2 stops29h 30mScandinavian Airlines

Thu 8/212:00 pmZRH - IAD

2 stops35h 59mScandinavian Airlines

Deal found 4/25

$657

Mon 9/18:30 pmIAD - ZRH

1 stop10h 35mIcelandair

Fri 9/54:55 pmZRH - IAD

1 stop11h 15mIcelandair

Deal found 4/24

$662

Wed 12/3110:30 pmIAD - ZRH

1 stop18h 05mTAP AIR PORTUGAL

Thu 1/86:10 amZRH - IAD

1 stop15h 05mTAP AIR PORTUGAL

Deal found 4/25

$671

Fri 5/21:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

Tue 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/24

$673

Wed 8/68:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Tue 8/1912:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 4/25

$686

Tue 11/259:55 amIAD - ZRH

1 stop14h 20mMultiple Airlines

Tue 12/91:00 pmZRH - IAD

Nonstop9h 30mMultiple Airlines

Deal found 4/25

$702

Tue 7/155:20 pmIAD - ZRH

1 stop11h 15mAer Lingus

Tue 7/2911:15 amZRH - IAD

1 stop14h 15mAer Lingus

Deal found 4/25

$737

Mon 8/45:45 pmIAD - ZRH

Nonstop8h 20mUnited Airlines

Wed 8/1312:55 pmZRH - IAD

1 stop14h 03mUnited Airlines

Deal found 4/25

$785

Fri 11/71:00 pmIAD - ZRH

2 stops15h 30mDelta

Fri 11/211:30 pmZRH - IAD

2 stops25h 41mDelta

Deal found 4/25

$796

Mon 11/105:50 pmIAD - ZRH

1 stop10h 15mLufthansa

Wed 11/1911:45 amZRH - IAD

Nonstop9h 45mLufthansa

Deal found 4/25

$797

Tue 11/259:45 amIAD - ZRH

2 stops14h 30mAir Canada

Tue 12/912:45 pmZRH - IAD

2 stops14h 15mAir Canada

Deal found 4/25

$818

Thu 8/710:54 amIAD - ZRH

2 stops15h 56mAmerican Airlines

Thu 8/147:15 amZRH - IAD

2 stops18h 19mAmerican Airlines

Deal found 4/25

$870

Best flights from Dulles Intl to Interlaken
Discover carefully curated flight deals from Dulles Intl to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Wed 5/148:45 pmIAD - ZRH

Nonstop8h 05mMultiple Airlines

Wed 6/1112:40 pmZRH - IAD

1 stop14h 28mMultiple Airlines

Deal found 4/23

$648

Wed 5/1410:25 amIAD - ZRH

2 stops13h 45mAir Canada

Wed 6/1112:40 pmZRH - IAD

1 stop14h 28mAir Canada

Deal found 4/23

$654

Fri 5/21:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

Tue 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/24

$673

Wed 5/148:45 pmIAD - ZRH

Nonstop8h 05mUnited Airlines

Mon 5/193:35 pmZRH - IAD

1 stop29h 50mUnited Airlines

Deal found 4/24

$674

Wed 5/148:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Mon 5/1912:50 pmZRH - IAD

Nonstop9h 25mSWISS

Deal found 4/24

$707

Sun 5/410:20 pmIAD - ZRH

1 stop18h 10mTAP AIR PORTUGAL

Thu 5/86:00 amZRH - IAD

1 stop15h 20mTAP AIR PORTUGAL

Deal found 4/24

$728

Fri 7/118:30 pmIAD - ZRH

1 stop10h 35mIcelandair

Thu 7/242:00 pmZRH - IAD

1 stop14h 10mIcelandair

Deal found 4/24

$744

Mon 7/215:20 pmIAD - ZRH

1 stop11h 15mAer Lingus

Wed 7/3011:15 amZRH - IAD

1 stop14h 15mAer Lingus

Deal found 4/24

$746

Mon 5/1910:20 pmIAD - ZRH

1 stop15h 45mLufthansa

Mon 5/264:55 pmZRH - IAD

2 stops26h 35mLufthansa

Deal found 4/24

$750

Mon 5/510:05 pmIAD - ZRH

2 stops33h 15mScandinavian Airlines

Thu 5/1510:20 amZRH - IAD

1 stop15h 39mScandinavian Airlines

Deal found 4/24

$845

Tue 5/2012:25 pmIAD - ZRH

1 stop16h 10mDelta

Mon 6/22:20 pmZRH - IAD

2 stops32h 24mDelta

Deal found 4/25

$860

Fri 5/24:30 pmIAD - ZRH

1 stop11h 20mITA Airways

Fri 5/1610:45 amZRH - IAD

1 stop33h 55mITA Airways

Deal found 4/24

$873

Last-minute flights from Dulles Intl to Interlaken
Discover last-minute flight deals from Dulles Intl to Interlaken. Data last updated April 25, 2025 and is based on user searches.

Mon 4/288:30 pmIAD - ZRH

1 stop10h 35mMultiple Airlines

Wed 4/302:00 pmZRH - IAD

2 stops36h 50mMultiple Airlines

Deal found 4/24

$781

Fri 5/21:30 pmIAD - ZRH

1 stop18h 35mTurkish Airlines

Tue 5/136:40 pmZRH - IAD

1 stop23h 05mTurkish Airlines

Deal found 4/24

$673

Fri 5/26:10 pmIAD - ZRH

2 stops12h 05mLufthansa

Wed 5/1411:20 amZRH - IAD

2 stops15h 37mLufthansa

Deal found 4/24

$2,091

Sat 5/38:30 pmIAD - ZRH

2 stops30h 30mMultiple Airlines

Wed 5/146:05 pmZRH - IAD

1 stop27h 15mMultiple Airlines

Deal found 4/24

$896

Sat 5/310:35 pmIAD - ZRH

1 stop31h 50mTAP AIR PORTUGAL

Tue 5/136:05 pmZRH - IAD

1 stop27h 15mTAP AIR PORTUGAL

Deal found 4/24

$909

Sun 5/48:30 pmIAD - ZRH

1 stop10h 35mIcelandair

Sat 5/102:00 pmZRH - IAD

1 stop11h 20mIcelandair

Deal found 4/25

$842

Mon 5/510:05 pmIAD - ZRH

2 stops33h 15mScandinavian Airlines

Mon 5/122:00 pmZRH - IAD

2 stops35h 59mScandinavian Airlines

Deal found 4/25

$885

Mon 5/58:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Thu 5/154:30 pmZRH - IAD

1 stop29h 00mSWISS

Deal found 4/25

$1,505

Mon 5/59:40 pmIAD - ZRH

3 stops28h 40mEthiopian Air

Mon 5/129:00 pmZRH - IAD

3 stops41h 55mEthiopian Air

Deal found 4/25

$1,971

Mon 5/510:05 pmIAD - ZRH

2 stops33h 15mScandinavian Airlines

Sun 5/112:35 pmZRH - IAD

2 stops35h 24mScandinavian Airlines

Deal found 4/25

$885

Fri 5/91:59 pmIAD - ZRH

2 stops12h 51mAmerican Airlines

Sat 5/2411:45 amZRH - IAD

2 stops18h 17mAmerican Airlines

Deal found 4/25

$904

Sun 5/115:45 pmIAD - ZRH

1 stop12h 40mTAP AIR PORTUGAL

Fri 5/166:10 amZRH - IAD

1 stop16h 10mTAP AIR PORTUGAL

Deal found 4/25

$771

One-way flights from Dulles Intl to Interlaken
Search for one-way flight options from Dulles Intl to Interlaken. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Wed 7/1610:20 pmIAD - ZRH

1 stop29h 30mMultiple Airlines

Deal found 4/24

$379

Sun 5/115:45 pmIAD - ZRH

1 stop22h 45mTAP AIR PORTUGAL

Deal found 4/25

$430

Sun 5/118:45 pmIAD - ZRH

Nonstop8h 05mSWISS

Deal found 4/25

$496

Mon 4/281:30 pmIAD - ZRH

1 stop14h 20mTurkish Airlines

Deal found 4/24

$500

Wed 5/2810:05 pmIAD - ZRH

1 stop29h 35mScandinavian Airlines

Deal found 4/24

$537

Tue 7/15:20 pmIAD - ZRH

1 stop11h 15mAer Lingus

Deal found 4/24

$666

Sun 6/228:30 pmIAD - ZRH

2 stops31h 10mIcelandair

Deal found 4/24

$678

Wed 6/2510:20 pmIAD - ZRH

1 stop15h 45mLufthansa

Deal found 4/23

$760

Sat 6/215:12 pmIAD - ZRH

1 stop31h 18mAir Canada

Deal found 4/24

$805

Mon 6/95:45 pmIAD - ZRH

Nonstop8h 20mUnited Airlines

Deal found 4/25

$872

Sat 6/288:30 pmIAD - ZRH

2 stops16h 05mDelta

Deal found 4/23

$897

Tue 6/244:30 pmIAD - ZRH

1 stop19h 45mITA Airways

Deal found 4/23

$1,106

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 8/12

10:05 pm-9:35 am

2 stops29h 30m

Zurich

Thu 8/21

2:00 pm-7:59 pm

2 stops35h 59m

$657

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 9/1

8:30 pm-1:05 pm

1 stop10h 35m

Zurich

Fri 9/5

4:55 pm-10:10 pm

1 stop11h 15m

$662

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 8/6

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Tue 8/19

12:50 pm-4:15 pm

Nonstop9h 25m

$686

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 5/5

1:30 pm-10:20 pm

1 stop26h 50m

Zurich

Mon 5/12

3:00 pm-11:45 am

1 stop26h 45m

$694

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 8/6

10:20 pm-4:10 pm

1 stop11h 50m

Zurich

Tue 8/19

12:50 pm-4:15 pm

Nonstop9h 25m

$706

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Thu 9/25

5:50 pm-3:00 pm

2 stops15h 10m

Zurich

Tue 10/14

7:50 pm-3:20 pm

2 stops25h 30m

$731

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 7/15

5:20 pm-10:35 am

1 stop11h 15m

Zurich

Tue 7/29

11:15 am-7:30 pm

1 stop14h 15m

$737

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 8/4

5:45 pm-8:05 am

Nonstop8h 20m

Zurich

Wed 8/13

12:55 pm-8:58 pm

1 stop14h 03m

$785

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sat 8/16

9:00 am-8:05 am

1 stop17h 05m

Zurich

Wed 12/10

9:00 am-3:45 pm

1 stop12h 45m

$805

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 5/14

3:24 pm-11:40 am

2 stops14h 16m

Zurich

Wed 6/11

12:40 pm-11:14 am

1 stop28h 34m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 23 results

Best time to book a flight from Dulles Intl to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Dulles Intl 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. Dulles Intl Airport to Interlaken

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

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Interlaken may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Interlaken (average of $637). Flying from Washington, D.C. Dulles Intl Airport to Interlaken in June is currently the most expensive (average of $1,274). 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 IAD to IN9?

When flying from Washington, D.C. Dulles Intl Airport to Interlaken, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Interlaken

The most flights from IAD 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

To help decide which airline to fly from Washington, D.C. to Interlaken, see what other customers have to say about Delta, SWISS and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 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

7,920 reviews

Delta

8.0

Very good

7,920 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

1,582 reviews

Delta

8.0

Very good

7,920 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

8,685 reviews

Delta

8.0

Very good

7,920 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

3,776 reviews

Delta

8.0

Very good

7,920 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

1,345 reviews

Delta

8.0

Very good

7,920 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. Dulles Intl Airport 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 $430. SWISS flights start at $496 while deals on Turkish Airlines start at $500 one-way.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Interlaken?
Before booking your flight to Interlaken from Washington, D.C. Dulles Intl Airport, 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. Dulles Intl Airport to Interlaken?
Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Interlaken? While on average our users pay $3,734, our data indicates the cheapest price to be $458. The most popular route (Washington, D.C. Dulles Intl - Zurich), is priced around $423.
Can I find deals for flights from Dulles Intl to Interlaken that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Interlaken?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Interlaken.
Can I find deals for business class flights from Dulles Intl to Interlaken?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Interlaken?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Interlaken (average of $637). Flying from Washington, D.C. Dulles Intl Airport to Interlaken in June is currently the most expensive (average of $1,274). 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 Dulles Intl to Interlaken

Dulles Intl to Zurich flights

Dulles Intl to Geneva flights

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Baltimore to Zurich flights

Reagan-National to Geneva flights

Baltimore to Geneva flights

Dulles Intl to Basel flights

Reagan-National to Basel flights

Baltimore to Basel flights

Dulles Intl to Lugano flights

Reagan-National to Lugano flights

Dulles Intl to Bern flights

Baltimore to Lugano flights

Top 10 airlines flying from Dulles Intl to Interlaken

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$375	Average$577	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$386	Average$606	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$503	Average$798	FlexibilityNo cancel fee	On-time70%
Turkish Airlines	Cheapest$530	Average$674	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$548	Average$978	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$555	Average$986	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$609	Average$867	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$718	Average$1,192	FlexibilityNo cancel fee	On-time69%
SWISS	Cheapest$722	Average$1,141	FlexibilityNo cancel fee	On-time79%
Lufthansa	Cheapest$751	Average$1,062	FlexibilityNo cancel fee	On-time76%

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$311+ Cheap flights from Dulles Intl (IAD) 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 Dulles Intl 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. Dulles Intl to Interlaken are usually found in February or October, booked 62 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Dulles Intl to Interlaken

Keep the following information in mind while searching for Dulles Intl to Interlaken flight deals. Data was last updated April 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Interlaken

Cheapest flights from Dulles Intl to InterlakenExplore the most affordable flight options available from Dulles Intl to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Explore the most affordable flight options available from Dulles Intl to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Dulles Intl with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Interlaken. Price data was last updated on April 25, 2025.

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

What is the cheapest time of day to fly from IAD to IN9?

Find hourly flight availability from Dulles Intl 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 April 25, 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Interlaken

Rainfall in Interlaken by month

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Temperature in Interlaken by month

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Reviews of airlines servicing Interlaken

To help decide which airline to fly from Washington, D.C. to Interlaken, see what other customers have to say about Delta, SWISS and United Airlines. 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 Dulles Intl 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. Dulles Intl Airport to Interlaken one-way?

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

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

Can I find deals for flights from Dulles Intl to Interlaken that include hotel bookings?

How can I find direct flights from Dulles Intl to Interlaken?

Can I find deals for business class flights from Dulles Intl to Interlaken?

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

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Alternative routes for Dulles Intl to Interlaken

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Top 10 airlines flying from Dulles Intl to Interlaken

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Cheapest flights from Dulles Intl to Interlaken
Explore the most affordable flight options available from Dulles Intl to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.